Heat Transfer Lab Equipments

SPECIFIC HEAT TO AIR APPARATUS

Product Description Consists of a centrifugal blower which delivers the required quantity of air. The air passing through the pipe is heated by an electrical heater. The temperatures of air entering and leaving heating section are measured by thermocouples. By knowing heater input and mass flow of air, (which is measured with the help of an orifice and water manometer) specific heat of air at constant pressure can be calculated. The test section is well insulated to minimize the heat losses. Silica get is provided at blower delivery to reduce the effect of moisture content in air. In order to determine the specific heat of air at different temperatures air quantity and heater input can be varied. Technical required: Blower: FHP of standard make Heater: nichrome wire. Air flow measurement: orifice meter & manometer. Control Panel: Digital Voltmeter: 0-300 Volt Digital Ammeter: 0-2 Amp Variac: 0-230 V, 2 Amp Digital Tem. Indicator: 0-199.9C, with multi-channel switch Temperature Sensors: RTD PT-100 type Standard make On/Off switch, Mains Indicator etc.

THERMOCOUPLE CALIBRATION TEST RIG

A digital mV Meter and a digital temperature indicator with 2 different type of thermocouples. A water container with heater of 1 KW. A technical manual accompanies the unit. Services Required Table surface area “ 2 m X 1 m X 0.5 m height. 220V, 50 Hz. Stabilize Electric Power Supply. Ice cubes “ 0.5Kg. Approx.

CONCENTRIC TUBE HEAT EXCHANGER APPARATUS

This is the simplest of the optional heat exchangers. It has two tubes, one inside the other. One tube carries hot fluid, the other carries cold fluid. Heat transfers between them. Teknik heat exchanger is in two equal parts joined by intermediate pipes. This allows two extra measurement points at the midpoint (plus the standard four points at the connectors). This gives more useful experiment results, to show more clearly how the fluid temperatures change during heat transfer. The Service Module (TD360) provides hot and cold water to the heat exchanger and all the instruments needed to measure its performance. All fluid connections to the heat exchanger are self-sealing quick connectors - for safety and simplicity. The hot and cold fluid streams have different connectors to reduce errors. Connecting the heat exchanger takes less than one minute. The heat exchanger is on a bedplate that has a clear schematic diagram showing the connections. The bedplate fixes to the Service Module with thumbscrews.

UNSTEADY STATE HEAT TRANSFER UNIT

This Unsteady State Heat Transfer Unit has been designed to allow students to run experiments on unsteady state heat transfer. The unit is supplied with a heated water bath and a set of solid shapes with built-in temperature sensor to monitor the temperature at the center of the shape. Monitoring of the temperature at the centre of the shape allows analysis of heat flow using the appropriate transient-temperature/heat flow charts provided. Description Two sets of simple shapes (a solid sphere, a rectangular slab, a long solid cylinder) made of brass and stainless steel are supplied. Each of the shapes has a built-in temperature sensor to measure the temperature at the centre of the shape. Measurements taken on a shape of a particular material can be used to confirm the conductivity of a similar shape of a different material. Transient-temperature/heat flow charts are supplied for each of the shapes. The water bath has a capacity of 30 litres and is heated by a 3.0 kW electric heating element. The temperature of the water bath can be maintained and predetermined by means of a temperature controller before taking any measurements. The large volume of water in the bath ensures that any change in the temperature of the water, as the measurements are taken, is negligible. A circulation pump mounted alongside the water bath circulates water from the bath to the base of a vertical cylindrical duct which is located at the centre of the water bath. Specifications A benchtop unit designed to allow experiments on unsteady state heat transfer. Bench made of epoxy coated frame with high quality and sturdy Formica laminated back panel. Water Bath: 30 liters insulated stainless steel tank with top plate and mounting for solid shapes holder. Heating is by a 3.0 kW electric heater with high temperature cut-out protection. Water circulation by a circulation pump. Solid Shapes: Two sets of solid shapes made of brass and stainless steel complete with shape holder. Three different shapes i.e. solid sphere, rectangular slab and long solid cylinder. Each solid shape has a built-in temperature sensor at the center. Control Panel: The control panel includes all the necessary electrical wiring, digital indicators and temperature controller

DROP WISE & FILM WISE CONDENSATION APPARATUS

Description: Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process as present in mechanical and chemical engineering applications. The condensation of vapour on a surface is of two types: Drop wise Condensation, Film wise Condensation. This setup is designed for determining heat transfer co-efficient of two types of condensation and for visualization of these processes. It consists of a vertical frame. Condensation tubes are fitted inside compact glass cylinder. Steam generator is fitted at the backside of the cylinder. Steam comes directly from generator to the cylinder. Digital Temperature Indicator monitors the temperatures. Pressure gauge and Rotameter can observe steam pressure and cold water flow rates respectively A Digital temperature Controller is provided for controlling the temperature of Steam. Technical Specifications: Steam Generator: 8 Ltrs. (Approx.) made of Stainless steel with 1.5 kW heater. Insulated with ceramic wool and cladded by aluminum foil Pressure Gauge: Bourdon type Copper tubes (2 Nos.): One with natural finish and other nickel polished Diameter: 19 mm (Approx.) Length: 170 mm (Approx.) Water Flow measurement: Rotameter Condensate Measurement: Measuring Cylinder & Stopwatch Control valves: one each for Steam, Cooling water & Drain Digital Temp. Controller: 0-199.90C (For Steam Generator) Digital Temp. Indicator: 0-199.90C, with multi-channel

CRITICAL HEAT FLUX EVAPORATOR APPARATUS

Current: 5 Amp Frequency: 50Hz Phase: Single Voltage: 220 V AC Water Supply: Initial Fill Country of Origin: Made in India Nichrome wire: 0.1219 mm

PARALLEL FLOW/ COUNTER FLOW HEAT EXCHANGER APPARATUS

Heat exchanger is devices in which heat is transferred from one fluid to another. The apparatus consists of a concentric tube heat exchanger. Hot water flows through inner tube in one direction only and cold water flows over the inner tube in outer tube. Direction of cold fluid flow can be changed from parallel or counter to hot water so that unit can be operated as parallel or counter flow heat exchanger. Flow rates of hot and cold water are measured using Rotameters. A magnetic drive pump is used to circulate the hot water from a re-cycled type water tank, which is fitted with heaters and Digital Temperature Controller. Experiment: To calculate the following parameters both for parallel and counter flow arrangement. To find the rate of heat transfer To calculate the LMTD Overall heat transfer co-efficient. To compare the performance of Parallel and Counter flow heat exchanger Utilities Required: Water supply 10 lit/min (approx.) and drain Electricity Supply: 1Phase, 220 V AC, 3 kW Floor area 2 m x 0.6m

HEAT EXCHANGER TEACHING SET-UP

The complete experimental setup should consists of main supply and control unit along with the following units Tubular heat exchanger Plate Heat exchanger Shell tube Heat exchanger Jacketed vessel with stirrer and coil Water chiller should maintain temperature between-10 degree C to ambient temperature. Laboratory Trolley Suitable branded Desktops PC with i5 or higher processor.

OPEN PAN EVAPORATOR APPARATUS

These measures the rate of evaporation of water into the atmosphere, sometimes called an atmometer. Evaporation rates are so sensitive to the water supply, and the nature of the evaporating surface, data collected by Evaporimeter often do not reflect true evaporation processes. Hence, evaporimeter have limited use.

FALLING FILM EVAPORATOR APPARATUS

The present set-up is designed to study the operation of Falling Film evaporator. It consists of stainless steel tubes surrounded by a Stainless Steel jacket and fitted with accumulator. Dilute solution is fed to tube from the top and it travels along the inner walls of the tubes to downward which is heated by Steam from a steam generator to concentrate the dilute feed solution to a desired level. The jacket is fitted with a steam trap and the condensate is collected at the end of trap. The vapors of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute collected in the accumulator recycled back to the evaporator. Object: To concentrate a solution and to evaluate the following at steady state: Economy and the capacity of the evaporator. Overall heat transfer co-efficient. Required: - Electricity Supply: 1 Phase, 220 V AC, 50 Hz, 32 amp MCB with earth connection (Earth voltage should be less than 5 volts) Water Supply: Initial fill and floor drain. Floor area: 1.5 m x 1.0 m.

CALANDRIA EVAPORATOR APPARATUS

The present set-up is designed to study the operation of Calandria evaporator. It consists of a short tube vertical evaporator in which tubes are surrounded by a Stainless Steel jacket and fitted with accumulator. Dilute solution is fed to the evaporator and heated by Steam from a steam generator to concentrate the dilute feed solution to a desired level. The jacket is fitted with a steam trap and the condensate is collected at the end of trap. The vapors of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute collected in the accumulator recycled back to the evaporator. Experimentation/Learning Objectives To concentrate a solution and to evaluate the following at steady state: Material and Heat Balance. Economy and the capacity of the evaporator. Overall heat transfer co-efficient. Utilities Required Electricity Supply: 1 Phase, 220 V AC, 50 Hz, 32 amp MCB with earth connection (Earth voltage should be less than 5 volts) Water Supply: Initial fill and floor drain. Floor area: 1.5 m x 1.0 m. Chemicals: Sodium carbonate & distilled water.

DOUBLE EFFECT EVAPORATOR APPARATUS

Double Effect Evaporator deals with the concentration of a non- volatile solute from a solution by the removal of required amount of volatile solvent. Usually the solvent is water. Long tube evaporators are usually used for the concentration of foamy liquids. The set-up is consists of two evaporators fitted in series. Each is made up of Stainless Steel tubes surrounded by a Stainless Steel jacket and fitted with accumulator. Dilute solution is feed to the first evaporator. Steam from a steam generator is supplied to evaporator to concentrate the dilute feed solution to a desired level. The jacket is fitted with a steam trap and the condensate is collected at the end of trap. The vapor™s of volatile solvent produced in first evaporator are supplied to the second evaporator. The vapor™s of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute is collected in the accumulator. Product Specification Evaporators Shell Diameter: 70 mm Evaporators Length: 500 mm Evaporators Material: Stainless Steel Evaporators Tubes inner Diameter: 9.5 mm Evaporators out Diameter: 12.7 mm Feed Tank Material: Stainless Steel Digital Temperature Indicator: 0-199.9 deg C

SINGLE EFFECT EVAPORATOR APPARATUS

Material: Stainless Steel Shell Dia: 70 mm, Length-500 mm Tube ID: 9.5 mm, OD 12.7mm Length: 500 mm Feed Circulation: By Gravity feed Feed Tank: Material stainless steel Capacity: 25 Ltrs. Flow Measurement: Rotameters (One each for feed & cold water). Steam Generator: Made of stainless steel provided with Pressure Gauge & Level Indicator, Safety valve and drain etc. Piping: Stainless Steel and PVC, size 1/4" Condenser: Shell & Tube type made of Stainless Steel. Bottom Product Tank: Made of Stainless Steel, capacity 10 Ltrs. Water Supply Tank: Made of Stainless Steel, capacity 50 Ltrs. (For condenser) Pump: FHP capacity Heaters: Nichrome wire heater. Control panel comprises of Digital Temp Controller: PID Controller, 0-199.9 deg C (For Steam Generator) Digital Temp Indicator: 0-199.9 deg C, with multi-channel switch. Temp Sensors: RTD PT-100, Standard make On/Off switch, Mains Indicator etc. Electricity Supply: 1 Phase, 220 V AC, 50 Hz, 32 amp Floor Area: 1.5 m x 1.0 m

VERTICAL CONDENSER APPARATUS

The present set-up is designed to study Vertical condenser. It consists of a vertical condenser having a shell fitted with tubes. Cold fluid flows through inside the tubes and steam flows through the shell. Steam generator is fitted with heater to provide steam controlled by a Digital Temperature controller. Level indicator helps to maintain level of water in steam generator. Valves are provided to control the flow rates of cold fluids. Flow rate of cold water is measured using a Rotameter. Shell is fitted with steam traps from where condensate is collected in measuring cylinder. Temperature of inlet and outlet of both hot & cold fluids are measured by temperature sensors

HORIZONTAL CONDENSER APPARATUS

The present set-up is designed to study Horizontal condenser. It consists of a Horizontal condenser having a shell fitted with tubes. Cold fluid flows through tubes and steam flows through the shell. Steam generator is fitted with heater to provide steam controlled by a Digital Temperature controller. Level indicator helps to maintain level of water in steam generator. Valves are provided to control the flow rates of cold fluids. Flow rate of cold water is measured using a Rotameter. Shell is fitted with steam traps from where condensate is collected in measuring cylinder. Temperature of inlet and outlet of both hot & cold fluids are measured by temperature sensor

JACKETED VESSEL WITH COIL & STIRRER APPARATUS

The apparatus is used for studying heat transfer with either an external jacket or an internal coil under batch wise or continuous feed conditions. The unit consists of a jacketed vessel with a coil and stirrer and a service module. The module comprises a hot water tank with a transfer pump and instruments for monitoring and control. Parallel or counter flow or changing from jacked vessel to coil and stirrer may be done by rearranging flexible hoses. A cold fluid in a vessel is heated by a hot fluid in the jacket or in the coil. An adjustable speed a stirrer and baffles are provided to allow thorough mixing of the vessel contents. The content volume in the vessel can be varied by an adjustable height overflow pipe. The unit requires outside water supply. Instruction manual is also included. Typical Experiments Demonstration of heat transfer for jacketed vessel with or without stirrer both continuous and batch types. Demonstration of heat transfer for heating coil with or without stirrer. Determination of heat transfer coefficient. Effects of flow rate and temperature difference. Effect of vessel content.

CROSS FLOW HEAT EXCHANGER APPARATUS

Usage/Application: Laboratory, Equipment Capacity: 100units/month Power: 4, kW Voltage: 220, V, AC Automation Type: Semi-Automatic Color: white and blue Phase: Single, Phase Material: Mild, Steel Floor Area: 1.5, x, 1, m Power Source: Electric

HEAT TRANSFER IN AGITATED VESSEL APPARATUS

The unit consists of a vessel with class wool insulation ail around. A helical coil made of copper is fixed inside the vessel. A motorized agitator is fixed at the center of the coil. The vessel is provided with an electric heater and a controller is also provided for vessel. Heater heats water in the jacket while cold water is circulated through coll. Temperature of circulated water and water In vessel Is measured and thus heat transfer coefficient at various agitator speeds can be determined. Specifications: Vessel approx. 20 lit. Capacity, provided with glass wool insulation all around and electric heater at the bottom. Agitator 150 mm dia, with 1/8 HP motor to drive the agitator. Helical coil - 200 dia, 8 turns, made of 3/8" dia. copper tube. Controllers for heater and agitator motor. Temp. Indicator for vessel water temperature and circulated water inlet and outlet. Services Required: Single phase 230V, 15 A stabilized supply. Water flow at the rate of 4 to 5 lit. Per min. Suitable drain arrangement for water. Floor area -1.5 mtr. X 1 mtr. X 1 mir height.

HEAT TRANSFER FROM A PIN-FIN APPARATUS

Range of Experiments to be Carried Out To study the temperature distribution along the length of a pin fin in natural & forced convection. To calculate Gr, Pr & Nu number in natural conviction. Calculate Re, Pr & Nu number in forced conviction. Calculate the value of m & obtain the temperature at various locations along the length of the fin in natural & forced conviction. Calculate the values of heat transfer rate from the fin & the fin effectiveness in natural & forced conviction. The experiments can be conducted at various values of input & calculation can be made accordingly. Experimental Setup Band Heater Assembly. Pin type Fin. Blower Unit with orifice & manometer arrangement for measurement. Duct in which fin is fitted.5. Set of thermocouples. Control Panel 12 Channel Digital Temperature Indicator Dimmer stat: 0 - 2 A. Mains On Off Switch. Voltmeter: 0 - 250 V. Ammeter: 0 - 3 A. Blower On Off Switch. Service Required : 230 v Ac Supply 50 Hz

HEAT TRANSFER IN NATURAL CONVECTION APPARATUS

Range of Experiments to be Carried Out: To study the temperature distribution along the length of a vertical pipe In natural convection. To calculate Gr, Pr & Nu number in natural convection. To determine the surface heat transfer coefficient for a vertical tube losing heat by natural convection. The experiments can be conducted at various values of input & calculation can be made accordingly. Heat Transfer In Natural Convection Experimental Setup: Heater Assembly. Brass Vertical cylinder Cylinder enclosure with stand. Cylinder holding assembly. Set of thermocouples. Control Panel: 12 Channel Digital Temperature Indicator Dimmer stat: 0 - 2 A. Main™s On Off Switch. Voltmeter: 0 - 250 V. Ammeter: 0 - 3 A. Space Required: 1.5 m. (L) x 1.0 m (W) table top. Service Required: 230 v Ac Supply 50 Hz

HEAT TRANSFER IN FORCED CONVECTION APPARATUS

Technical Description: The apparatus consists of blower unit fitted with the test pipe. Nichrome wire heater surrounds the test section. Four Temperature Sensors are embedded in the test section, two placed in the air stream at the entrance and exit of the test section to measure the inlet and outlet air temperature. Test pipe is connected to the delivery side of the blower along with the orifice to measure the flow of air through the pipe. Constant heat flux is given to pipe by an electric heater through a variac and measured by Digital Voltmeter and Digital Ammeter. Learning Objectives/Experiments: To determine average surface heat transfer coefficient for a pipe by forced convection. Comparison of heat transfer coefficient for different airflow rates and heat flow rates. To plot surface temperature distribution along the length of pipe. Control Panel: Digital Voltmeter: 0-300 Volt Digital Ammeter: 0-2 Amp Variac: 0-230 V, 2 Amp Length: 400 mm (approx.) Diameter: 28 mm (approx.) Digital Tem. Indicator: 0-300 Degree C, with multi-channel switch Temperature Sensors: RTD PT-100 type Standard make On/Off switch, Mains Indicator etc.

STEFAN BOLTZMANN APPARATUS

We are engaged in the manufacturing, trading and exporting of premium quality Stefan Boltzman Apparatus. Obtained from authentic vendors, best quality raw materials are used in the manufacturing of this apparatus. This apparatus is acknowledged around the globe for hassle-free installation, simple functionality and cost-effectiveness. Moreover, our offered apparatus is provided with a high quality temperature sensor and an instruction manual. Description: The apparatus is designed to determine the Stefan Boltzman constant. The apparatus consists of a hemisphere fixed to a Bakelite plate, the outer surface of which forms the jacket to heat it. Hot water to heat the hemisphere is obtained form a hot water tank, which is fixed above the hemisphere. The copper test disc is introduced at the center of hemisphere. The temperatures of hemisphere and test disc are measured with the help of temperature sensors. Experimentation Determination of Stefan Boltzmann constant and study the effect of hemisphere temperature on it. Utilities required Electricity Supply: 1 Phase, 220 V AC, 2 kW. Table for set-up support. Technical Specifications Hemisphere Dia: 200 mm (approx.) made of Copper Jacket Dia: 250 mm (approx.) made of Stainless Steel Test Disc Size: 20 mm Dia. x 1.5-mm thickness made of Copper Water Tank: Stainless steel 12 Ltrs. cap Heater: Nichrome wire immersion heater Digital Temp. Controller: 0 to 199.90C, (for water tank) Digital Temp. Indicator: 0 to 199.90C, with multi-channel switch Temperature sensors: RTD PT-100 type

EMISSIVITY MEASUREMENT APPARATUS

Description The present Set-up is designed to measure the emissivity of test plate. The test plate comprises of a mica heater sandwiched between two circular plates. Black plate is identical with test plate, but its surface is blackened. As all the physical properties, dimension and temperature are equal heat losses from both plates will be same except radiation loss. Hence the input difference will be due to difference in emissivity. Both plates are supported on individual brackets in a enclosure with one side glass to ensure steady atmospheric conditions. Temperature Sensors are provided to measure the temperature of each plate and surrounding. Electric Supply is given to heaters through separate variacs so that temperatures of both can be kept equal and is me asured with Digital Voltmeter and Digital Ammeter. Product Description Material: Cast Iron Brand: Teknik Frequency: 50 Hz Phase: Single Phase

SHELL & TUBE HEAT EXCHANGER APPARATUS

We at Engineering Laboratory Equipments has a vision to develop & design Shell Tube Heat Exchanger so as to meet the customer™s requirement through continual endeavor & innovation. Our company is well managed with a team of highly qualified personnel with an experience of more than two decades and active involvements in foreign business to develop. Shell and Tube Heat Exchanger are popular in industries because they occupy less space and offer reasonable temperature drop. The apparatus consists of fabricated SS shell, inside which copper tubes with baffles on outer side are fitted. This is two-pass heat exchanger so that hot water passes to one end of shell through the tubes and returns to another end through remaining tubes. The cold water is admitted at the one end of shell, which passes over the hot-water tubes. Valves are provided to control the flow rates of hot and cold water. Flow rates of hot and cold water are measured using Rotameters. A magnetic drive pump is used to circulate the hot water from a re-cycled type water tank, which is fitted with heaters and Digital Temperature Controller. Experiments The main object of the experimental setup is to study the following at various flow rates Heat transfer rate Overall Heat Transfer Co-efficient Utilities Required Water supply 20 lit/min (approx.) and drain Electricity Supply: I Phase, 220 V AC, 4 kW Floor area of 1.5m x 0.75 m

FINNED TUBE HEAT EXCHANGER APPARATUS

Features: Temperature sensors High efficiency Bears pressure Experimentation: To Calculate The Lmtd To Find Heat Transfer Rate To Find Out Overall Heat Transfer Co-Efficient Utilities Required: To Calculate The Lmtd To Find Heat Transfer Rate To Find Out Overall Heat Transfer Co-Efficient Product Specification Material: Mild Steel Usage/Application: Laboratory Equipment Automation Type: Automatic Voltage: 220V AC Frequency: 50 Hz Capacity: 100units/month Color: white and blue Phase: Single Phase

VERTICAL & HORIZONTAL CONDENSER APPARATUS

Vertical/ Horizontal Type Condenser is widely used to check thermal conductivity. The Condenser is available in a sturdy construction that ensures optimum performance for longer period of time. The Condenser is made using quality grade material and offered in vertical as well as horizontal type construction. Vertical/ Horizontal Type Condenser can be availed in different specifications to suit individual requirement. Shell & Tube Type Condensers Are Widely Used In Various Industries. The Present Set-Up Offers A Comparative Study Of Vertical & Horizontal Condenser, Which Can Be Operated One At A Time. Condenser Consists Of Stainless Steel Shell, With Stainless Steel Tubes. Cold Fluid Flows Through Inside the Tubes and Steam Flows through the Shell. Valves Are Provided To Control The Flow Rates Of Cold Fluids. Flow Rate Of Cold Water Is Measured Using A Rota Meter. Shell Is Fitted With Steam Traps From Where Condensate Is Collected In Measuring Cylinder. Temperature Of Inlet And Outlet Of Both Hot & Cold Fluids Are Measured By Temperature Sensors. Experimentation To Determine the Overall Heat Transfer Co-Efficient and Film Co-Efficient For Vertical and Horizontal Condenser Utilities Required: Water Supply 20 Lit/Min (Approx.) and Drain Electricity Supply: 1 Phase, 220 V Ac, 4 Kw Floor Area of 15 M X 1m Technical Details System Steam to Water Condensers 2 Nos (Vertical & Horizontal) Insulated By Ceramic Wool and Cladding by Aluminum Foil Shell Material Stainless Steel Inner Dia 100 Mm, Length 500 Mm (Approx.) Tubes Od 127mm, Length Of Tubes 500mm Condensate Measurement Measuring Cylinder & Stopwatch Water Flow Measurement: Rotameter Steam Generator: Made Of Stainless Steel Fitted With Level Indicator, Pressure Gauge, Safety Valve, Drain and Insulated With Ceramic Wool & Cladding With Aluminum Foil Heaters: Nichrome Wire Heater (2 Nos) Key Features of Vertical Horizontal Type Condenser: Check thermal conductivity. Sturdy construction. Optimum performance. Long lasting usage. Made using quality grade material. Offered in vertical as well as horizontal type construction.

FLUIDIZED BED HEAT TRANSFER UNIT

The set up consists of a glass column partially filled with sand. A heater in the form of cylinder is placed in the bed to heat the sand. Compressed air supply from end user in laboratory will be provided and is fed at the bottom of the column. Flow rate of air is measured using orificemeter and manometer. The heater input can be controlled by the Digital Temperature Controller. Temperature sensors are provided to measure the temperature of air inlet and air outlet. The whole set-up is well designed and arranged on a rigid structure painted with industrial PU Paint. Experimentation/Learning Objective To calculate heat transfer coefficient of the fluidized bed. Utilities Required Electricity Supply: 1 Phase, 220 V AC, 50 Hz, 5-15 Amp. combined socket with earth connection (Earth voltage should be less than 5 volts) Compressed Air Supply: 1 CFM @ 2 Bar, with end connection for 6 x 8 mm PU tubing. Floor area: 1. m x 0.75 m

POOL BOILING APPARATUS

Description: The present setup is designed to study the critical heat flux of a given nichrome wire. The setup consists of temperature controlled water bath with controller. Temperature of the water bath can be varied from ambient to 80C to achieve different environment for nichrome wire. Test heater wire is placed in the bath & voltage is varied by variac provided. The system is complete with digital temperature controller, voltmeter, ammerter & voltage control facility. Experimentation: To determine the critical heat flux of given wire. To study the pool boiling phenomenon up to Critical Heat flux point. Product Specifications Equipment Materials: Copper Voltage: 220 Volt (v) Material: Metal Application: Laboratory

HELICAL COIL HEAT EXCHANGER APPARATUS

Micro Teknik delivering a wide gamut of Helical Coil. This coil is designed by our adroit professionals using high-grade raw materials and modish technology, who have in-depth knowledge about the industrial standards. Available with us in numerous specifications, to meet the varied demands of our respectable clients. Features: Rust proof. Less maintenance. Maximum strength. Specifications: Control panel comprising of Standard make on off switch, Mains Indicator etc. The whole set-up is well designed and arranged in a good quality painted structure. Helical Coil Material Stainless Steel Dia “ 12. No. of Turns 15. Coil Tube Dia OD 21mm, ID 17mm (Approx.). Sump Tank Material Stainless Steel/PVC, Capacity 50 Ltrs. Water Circulation FHP Pump, Crompton/Sharp make. Manometer 2 Nos. Flow measurement Rotameter. Piping GI and PVC.

TWO PHASE HEAT TRANSFER UNIT

The Unit consists of a strong cylinder containing fluid. A water cooled coil in the upper part of the cylinder condenses the vapour and returns it to the boiling liquid. The condenser cooling water rate can be measured and controlled also. Experimentation- To plot graph of heat flux & temperature difference between metal & liquid To calculate amount heat taken away by water from condensing vapour. Product Specification Medium Used: Water Material: Mild Steel Voltage: 220-440V Frequency: 50-60Hz Finish: Paint Coated

PLATE TYPE HEAT EXCHANGER APPARATUS

Heat Exchanger- S.S. Plate heat exchanger wiles nos. of 200 X 400mm. Calibrated water flow measuring vessel Thermometers to measure inlet and outlet temperatures of fluid. Flow controls valves. A technical manual accompanies the unit. Optional Accessories Rotameters to measure water flow rates instead of measuring vessel. Multi-channel digital temperature Indicator to measure the temperatures instead of thermometers.

THERMAL CONDUCTIVITY OF METAL ROD APPARATUS

The experimental set up consists of metal bar, one end of which is heated by an electric heater while the other end of the bar projects inside the cooling water jacket. A cylindrical shell filled with insulating material surrounds the middle portion of the bar. The temperature of the bar is measured at different sections. Heat Input to the heater is Fiven through variac. By varying the heat input rates, data can be obtained. Water at constant rate is circulated through the jacket and its flow rate and temperature rise is noted. Experimentation To plot the temperature distribution along the length of Bar. To determine the thermal conductivity of given bar at various temperatures. Utilities Required Continuous Water supply @2LPM at 0.5 Bar Floor Drain. Electricity Supply: 1 Phase, 220 V AC, 2 Amp. Table for set-up support. Stop Watch Technical Details Metal Bar Material : Copper Length : 400 mm (approx.) Diameter : 25 mm Insulating shell Length : 250 mm Diameter : 200 mm Cooling Water Jacket Water Flow measurement : By Measuring cylinder Digital Voltmeter: 0-300 Volt. Variac: 0-230 V, 2 Amp.

HEAT TRANSFER THROUGH COMPOSITE WALL APPARATUS

These products are manufactured by our skilled engineers using high-grade materials and innovative technology. The offered walls are available in different designs and other related specifications, in order to meet the variegated expectations of our valuable customers. Our provided range is rigorously tested by the team of our professionals. The setup consists of a heater sandwiched between two sets of slabs. Three types of slabs are provided on either sides of heater, which forms a composite structure. A small hand press frame is provided to ensure the perfect contact between the slabs. A variac is provided for varying the input to the heater and Digital Voltmeter and Digital Ammeter display the heat input. Heat produced by heater flows axially on both the sides. Temperature Sensors are embedded between interfaces of slabs to determine the temperature gradient. The experiment can be conducted at various values of input and calculation can be made accordingly. Experiments To determine total thermal resistance and thermal conductivity of composite wall To plot temperature gradient along composite wall structure The experiments can be conducted at various values of input & calculation can be made accordingly. To plot Heat flux Vs thermal conductivity in composite structure. Features Strongly built Rust resistance Optimum performance Specifications: Electricity Supply: Table for set-up support

THERMAL CONDUCTIVITY OF LIQUIDS APPARATUS

We are offering a wide range of Heat Transfer lab Equipment and Thermal Conductivity of Liquids Apparatus. Technical details 170 mm (approx.) Height: 22 mm (approx.) Dia 100 mm, sandwiched between copper plates Ceramic Wool: Made of Aluminum for water circulation RTD PT100 type (6 Nos.) Digital Voltmeter: 0300 Volt Digital Ammeter: 02 Amp Varian: 0230 V, 2 A Digital Temperature Indicator: 0199.9 C, with multichannel switch On/Off switch, Mains Indicator etc. Valves are provided for drain, charging& overflow line to make system flexible Fin material: Heater Insulation Cooling chamber Temperature Sensors Control panel Thermal Conductivity for liquid MS Cabinet to accommodate the slab assembly Powder coated base plate. Experiments Determination of Thermal conductivity of various kinds of liquids comparative study of variation of thermal conductivity of different liquids with temperature Utilities required: Water supply 5 lit/min (approx.) Drain Electricity Supply: 1 Phase, 220 V AC, 2Amps

HEAT TRANSFER THROUGH LAGGED PIPE APPARATUS

Micro Teknik The setup is designed and fabricated to study lagging phenomenon in case of pipes. It consists of three concentric pipes of small thickness as compared to diameter and are arranged concentrically, and closed with the help of two discs. Two different insulating materials fill the annuli between the cylinders compactly. Temperature Sensors are fitted to measure the temperature of pipe walls for radial outward heat flow measurement. Inside the inner pipe, a Nichrome wire heater is placed axially. Heat input to the heater is given through a variac and measured by Digital Voltmeter and Digital Ammeter. By varying the heat-input rates, wide range of experiments can be performed Experiments To estimate the actual rate of heat transfer through the composite cylinders from the measured interface temperature of the known value of thermal conductivity of the two insulating materials. To determine the effective thermal conductivity of the composite cylinders To determine the theoretical temperature profile within the composite cylinders Utilities Required

HEAT PIPE DEMONSTRATOR APPARATUS

It is a super-conducting device and involves the transfer of heat by boiling and condensation of a fluid and hence transfer of heat takes place under nearly isothermal condition. In this apparatus the comparison of heat pipe with the copper pipe as good conductor of heat and with the stainless steel pipe as same material of construction is made. It consists of three identical cylindrical conductors in respect of geometry. One end of these is heated electrically while there are small capacity tanks acting as heat sinks at the other end. The unit consists of a heat pipe, a copper pipe and a stainless steel pipe. The performance of the heat pipe as a super-conducting device can be studied well in terms of the temperature distribution along the length at a given instant and can be compared with other two members. Nearly isothermal temperature distribution and fast rise of temperature in heat sink tank reveals the heat pipe superiority over the conventional conductors. Experimentation To demonstrate the super thermal conductivity of Heat Pipe and to compare its working with best conductor i.e. Copper pipe & Stainless steel pipe as same material of construction. To plot the temperature v/s time response of pipes. To plot the temperature distribution along the length of pipes Utilities required Electricity Supply 1 Phase, 220 V AC, 4 Amp Table for set-up support. Technical Specifications: Pipes1ST: Heat pipe made of stainless steel Pipes 2ND: Made of copper Pipes 3 RD: Made of Stainless steel Size: 32mm dia, 350 mm length (Approx.) Heat Sink: Material Stainless steel. Working fluid in heat pipe: Distilled water Heaters: Nichrome Wire Band Type Digital Voltmeter: 0-300 Volts. Digital Ammeter: 0-2 Amp. Variac: 0-230 V, 4 Amp. Digital Temp. Indicator: 0-2000 C, with multi-channel switch Temperature Sensors: RTD PT-100 type

THERMAL CONDUCTIVITY OF INSULATING POWERED APPARATUS

Description Insulating Powder apparatus is designed to determine the thermal conductivity of insulating Powder. The Apparatus consists of two thin-walled concentric copper spheres. Inner sphere houses Nichrome Wire heating coil. Insulating Powder is fitted between the spheres. Heat flows radically outwards. Temperature sensors at proper positions are fitted to measure surface temperatures of spheres. Heat input for the heater is given through a Variac and measured by Digital Voltmeter & Digital Ammeter. By varying the heat input rates, wide range of experiments can be performed. Experiments Determination of thermal conductivity of insulating powder. Comparison of thermal Conductivity of insulating powder at different temperatures. Technical Details Inner Sphere: 100 mm dia. Outer Sphere: 200 mm dia. Heater: Nichrome Wire Temperature Sensors: RTD PT-100 Type (10 Nos.)Control Panel: Digital Voltmeter: 0-300 Volt. Digital Ammeter: 0-2 Amp. Variac: 0-230 V / 2 Amps. Digital Temperature Indicator: 0-300oCWith Multi-Channel Switch, ON/OFF Switch, Mains Indicator.

THERMAL CONDUCTIVITY OF INSULATING SLAB APPARATUS

The set-up is designed to determine thermal conductivity of insulating materials in the form of slab. The apparatus consists of main central heater and ring guard heater, sandwiched between the specimens. Cooling plates are provided on either side of the specimen. Two identical specimens are clamped between heaters that ensures unidirectional heat flow through specimen. The whole assembly is kept in chamber and insulated by ceramic wool insulation around the set-up. Experimentation: Determination of thermal conductivity of insulating material in the form of slab. Study of variation of thermal conductivity of the material with temperature. Utilities Required: Water supply 5 lit/min (approx.) Electricity Supply: 1 Phase, 220 V AC, 2 Amp. Table for set-up support. Technical Details: Specimen Diameter: 180 mm (approx). Thickness: 12 mm (approx). Central Heater: Dia 100 mm, sandwiched between copper plates. Ring Guard Heater: Width 35 mm, sandwiched between copper rings. Cooling chamber: Made of Aluminum for water circulation. 2 Nos. Insulation: Ceramic wool Digital Voltmeter: 0-300 Volt. Digital Ammeter: 0-2 Amp Variac: 0-230 V, 2 Amp, (2 Nos.) One each for central & ring guard heater. Digital Temp. Indicator: 0-199.90C, with multi-channel switch Temperature Sensors: RTD PT-100 type.

Shell and Tube Heat Exchanger

Shell & Tube Heat Exchanger: Micro Teknik Description: Shell and Tube Heat Exchanger are popular in process industries because they occupy less space and offer reasonable temperature drop. The apparatus consists of fabricated shell, inside which tubes with baffles on outer side are fitted. The present set up is a 1-2 heat exchangers, with cold water flows through shell. Valves are provided to control the flow rates of hot and cold water. Flow rates of hot and cold water are measured using Rotameters. A magnetic drive pump is used to circulate the hot water from a re-cycled type water tank, which is fitted with heaters and Digital Temperature Controller. The main object of the experimental setup is to study the following at various flow rates: Utilities required: Water supply 20 lit/min (approx.) and drain. Electricity Supply : 1 Phase, 220 V AC, 4 kW. Floor area of 1.5 m x 0.75 m. Technical Specifications: System: Water to Water. (12 shell & tube type) Shell: Material Stainless steel. Insulated with ceramic wool and cladded with aluminum foil. Dia. 220 mm, Length 500 mm (Approx.) 25% cut baffles at 100 mm distance 4 Nos Tube: OD 16mm approx., Length 500mm (24 Nos.) Water Flow Measurement: Rotameters (2Nos.) one each for cold & hot fluid Hot Water Tank: Made of Stainless steel Insulated with ceramic fibre wool Hot Water Circulation: Magnetic Pump Heaters: Nichrome wire heater (2 Nos.) Digital Temp. Controller: 0-199.90C, (For Hot Water Tank) Digital Temp. Indicator: 0-199.90C, with multi-channel switch

Vertical and Horizontal Condensor

Vertical & Horizontal Condensor: Micro Teknik Vertical/ Horizontal Type Condenser is widely used to check thermal conductivity. The Condenser is available in a sturdy construction that ensures optimum performance for longer period of time. The Condenser is made using quality grade material and offered in vertical as well as horizontal type construction. Vertical/ Horizontal Type Condenser can be availed in different specifications to suit individual requirement. Shell & Tube Type Condensers Are Widely Used In Various Industries. The Present Set-Up Offers A Comparative Study Of Vertical & Horizontal Condenser, Which Can Be Operated One At A Time. Condenser Consists Of Stainless Steel Shell, With Stainless Steel Tubes. Cold Fluid Flows Through Inside The Tubes And Steam Flows Through The Shell. Valves Are Provided To Control The Flow Rates Of Cold Fluids. Flow Rate Of Cold Water Is Measured Using A Rota Meter. Shell Is Fitted With Steam Traps From Where Condensate Is Collected In Measuring Cylinder. Temperature Of Inlet And Outlet Of Both Hot & Cold Fluids Are Measured By Temperature Sensors. Experimentation To Determine The Overall Heat Transfer Co-Efficient And Film Co-Efficient For Vertical And Horizontal Condenser Utilities Required: Water Supply 20 Lit/Min (Approx) And Drain Electricity Supply: 1 Phase, 220 V Ac, 4 Kw Floor Area Of 15 M X 1m Technical Details System Steam To Water Condensers 2 Nos (Vertical & Horizontal) Insulated By Ceramic Wool And Cladding By Aluminium Foil Shell Material Stainless Steel Inner Dia 100 Mm, Length 500 Mm (Approx) Tubes Od 127mm, Length Of Tubes 500mm Condensate Measurement Measuring Cylinder & Stopwatch Water Flow Measurement : Rotameter Steam Generator: Made Of Stainless Steel Fitted With Level Indicator, Pressure Gauge, Safety Valve, Drain And Insulated With Ceramic Wool & Cladding With Aluminium Foil Heaters: Nichrome Wire Heater (2 Nos) Key Features of Vertical/ Horizontal Type Condenser Check thermal conductivity. Sturdy construction. Optimum performance. Long lasting usage. Made using quality grade material. Offered in vertical as well as horizontal type construction.

Unsteady State Heat Transfer Unit

Unsteady State Heat Transfer Unit: Micro Teknik This Unsteady State Heat Transfer Unit has been designed to allow students to run experiments on unsteady state heat transfer. The unit is supplied with a heated water bath and a set of solid shapes with built-in temperature sensor to monitor the temperature at the center of the shape. Monitoring of the temperature at the centre of the shape allows analysis of heat flow using the appropriate transient-temperature/ heat flow charts provided. DESCRIPTION: Two sets of simple shapes (a solid sphere, a rectangular slab, a long solid cylinder) made of brass and stainless steel are supplied. Each of the shapes has a built-in temperature sensor to measure the temperature at the centre of the shape. Measurements taken on a shape of a particular material can be used to confirm the conductivity of a similar shape of a different material. Transient-temperature/heat flow charts are supplied for each of the shapes. The water bath has a capacity of 30 litres and is heated by a 3.0 kW electric heating element. The temperature of the water bath can be maintained and predetermined by means of a temperature controller before taking any measurements. The large volume of water in the bath ensures that any change in the temperature of the water, as the measurements are taken, is negligible. A circulation pump mounted alongside the water bath circulates water from the bath to the base of a vertical cylindrical duct which is located at the centre of the water bath. SPECIFICATIONS: A bench top unit designed to allow experiments on unsteady state heat transfer. a) Bench: Made of epoxy coated frame with high quality and sturdy for mica laminated back panel. b) Water Bath: 30 liters insulated stainless steel tank with top plate and mounting for solid shapes holder. Heating is by a 3.0 kW electric heater with high temperature cut-out protection. Water circulation by a circulation pump. c) Solid Shapes: Two sets of solid shapes made of brass and stainless steel complete with shape holder. Three different shapes i.e. solid sphere, rectangular slab and long solid cylinder. Each solid shape has a built-in temperature sensor at the center. d) Control Panel: The control panel includes all the necessary electrical wiring, digital indicators and temperature controller

Dropwise And Filmwise Condensation Apparatus

Dropwise & Filmwise Condensation Apparatus: Micro Teknik Description: Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process as present in mechanical and chemical engineering applications. The condensation of vapour on a surface is of two types: 1. Drop wise Condensation, 2. Film wise Condensation. This setup is designed for determining heat transfer co-efficient of two types of condensation and for visualization of these processes. It consists of a vertical frame. Condensation tubes are fitted inside compact glass cylinder. Steam generator is fitted at the backside of the cylinder. Steam comes directly from generator to the cylinder. Digital Temperature Indicator monitors the temperatures. Pressure gauge and Rotameter can observe steam pressure and cold water flow rates respectively A Digital temperature Controller is provided for controlling the temperature of Steam. Technical Specifications: Steam Generator: 8 Ltrs. (Approx.) made of Stainless steel with 1.5 kW heater. Insulated with ceramic wool and cladded by aluminum foil Pressure Gauge: Bourdon type Copper tubes (2 Nos.): One with natural finish and other nickel polished Diameter: 19 mm (Approx.) Length: 170 mm (Approx.) Water Flow measurement: Rotameter Condensate Measurement: Measuring Cylinder & Stopwatch Control valves: one each for Steam, Cooling water & Drain Digital Temp. Controller: 0-199.90C (For Steam Generator) Digital Temp. Indicator: 0-199.90C, with multi-channel switch Temperature Sensors:

Parallel Flow Counter Flow Heat Exchanger

Parallel Flow Counter Flow Heat Exchanger: Micro Teknik Heat exchanger is devices in which heat is transferred from one fluid to another. The apparatus consists of a concentric tube heat exchanger. Hot water flows through inner tube in one direction only and cold water flows over the inner tube in outer tube. Direction of cold fluid flow can be changed from parallel or counter to hot water so that unit can be operated as parallel or counter flow heat exchanger. Flow rates of hot and cold water are measured using Rotameters. A magnetic drive pump is used to circulate the hot water from a re-cycled type water tank, which is fitted with heaters and Digital Temperature Controller. Experiment: To calculate the following parameters both for parallel and Counter flow arrangement. To find the rate of heat transfer To calculate the LMTD Overall heat transfer co-efficient. To compare the performance of Parallel and Counter flow heat exchanger Utilities Required: Water supply 10 lit/min (approx.) and drain Electricity Supply: 1Phase, 220 V AC, 3 kW Floor area 2 m x 0.6m

Stefan Boltzmann Apparatus

Stefan Boltzmann Apparatus: Micro Teknik The apparatus is designed to determine, the Stefan Boltzmann constant. The apparatus consists of a hemisphere fixed to a Bakelite plate, the outer surface of which forms the jacket to heat it. Hot water to heat the hemisphere is obtained form a hot water tank, which is fixed above the hemisphere. The copper test disc is introduced at the center of hemisphere. The temperatures of hemisphere and test disc are measured with the help of temperature sensors. Experiments Determination of Stefan Boltzmann constant and study the effect of hemisphere temperature on it Utilities Required Electricity Supply: 1Phase, 220 VAC, 4 Amp. Table for set-up support

Finned Tube Heat Exchanger

Finned Tube Heat Exchanger: Micro Teknik RANGE OF EXPERIMENTS TO BE CARRIED OUT : To determine Heat transfer rate of heating & cooling. To Calculate To determine Overall Heat Transfer Coefficient Based on Internal & External Area of Tube. To calculate Effectiveness of heat exchanger. The experiments can be conducted at various values of input & calculation can be made accordingly. EXPERIMENTAL SETUP : 1. Double Pipe assembly with Longitudinal Finns for the max. heat transfer. 2. Heating Arrangement : Heat Exchanger provided along with geysers. 3. Rotameter for flow measurement of hot water. Range : 0 - 11 LPM 4. Air Blower with orifice for air supply & measurement. 5. Set of thermocouples. CONTROL PANEL : 1. 12 Channel Digital Temperature Indicator 2. Mains for blower. 3. Switch for heaters.

Heat Transfer in an Agitated Vessel

Heat Transfer in an Agitated Vessel: Micro Teknik The unit consists of a vessel with class wool insulation ail around. A helical coil made of copper is fixed inside the vessel. A motorized agitator is fixed at the center of the coil. The vessel is provided with an electric heater and a controller is also provided for vessel. Heater heats water in the jacket while cold water is circulated through coll. Temperature of circulated water and water In vessel Is measured and thus heat transfer coefficient at various agitator speeds can be determined. SPECIFICATIONS : Vessel approx. 20 lit. capacity, provided with glass wool insulation all around and electric heater at the bottom. Agitator 150 mm dia, with 1/8 HP motor to drive the agitator. Helical coil - 200 dia, 8 turns, made of 3/8" dia. copper tube. Controllers for heater and agitator motor. Temp. Indicator for vessel water temperature and circulated water inlet and outlet. SERVICES REQUIRED: Single phase 230V, 15 A stabilized supply. Water flow at the rate of 4 to 5 lit. per min. Suitable drain arrangement for water. Floor area -1.5 mtr. X 1 mtr. X 1 mir height.

Emmisivity Measurement Apparatus

Emmisivity Measurement Apparatus: Micro Teknik Description: The present Set-up is designed to measure the emissivity of test plate. The test plate comprises of a mica heater sandwiched between two circular plates. Black plate is identical with test plate, but its surface is blackened. As all the physical properties, dimension and temperature are equal heat losses from both plates will be same except radiation loss. Hence the input difference will be due to difference in emissivity. Both plates are supported on individual brackets in a enclosure with one side glass to ensure steady atmospheric conditions. Temperature Sensors are provided to measure the temperature of each plate and surrounding. Electric Supply is given to heaters through separate variacs so that temperatures of both can be kept equal and is me asured with Digital Voltmeter and Digital Ammeter. Technical Specifications: Test plate Diameter: 160 mm (approx.) Black Plate Dia: 160 mm (Approx.) Heater (2Nos.): Nichrome Wire Heater. (One each for test plate & black plate) Digital Voltmeter: 0-300 Volt Digital Ammeter: 0-2 Amps DPDT Selector switches: For Digital Voltmeter & Digital Ammeter Variacs; 0- 230 V, 2 Amp, (2 Nos.)(One each for test plate and black plate) Digital Temp. Indicator: 0-3000C, with multi-channel Switch

Open Pan Evaporator

Open Pan Evaporator: Micro Teknik These measures the rate of evaporation of water into the atmosphere, sometimes called an atmometer. Evaporation rates are so sensitive to the water supply, and the nature of the evaporating surface, data collected by Evaporimeter often do not reflect true evaporation processes. Hence, evaporimeter have limited use.

Heat Transfer in Forced Convection

Heat Transfer in Forced Convection: Micro Teknik RANGE OF EXPERIMENTS TO BE CARRIED OUT : Average surface heat transfer coefficient for a pipe losing heat by forced convection to air flowing through it can be obtained for different air flow & heat flow rates. Reynolds number & Nusselt number for each experimental condition . To Plot these values on Log - log graph. To Plot on the same graph the Dittus-Boelter correlation. To plot & comment on the surface temperature distribution along the length of pipe. EXPERIMENTAL SETUP : 1. Band Heater Assembly. 2. Forced convection pipe assembly. 3. Blower Unit with orifice & manometer arrangement for measurement. 4. Set of thermocouples. CONTROL PANEL : 1.12 Channel Digital Temperature Indicator 2. Dimmerstat : 0 - 2 A. 3. Mains On/Off Switch. 4. Voltmeter :0 - 250 V. 5. Ammeter :0 - 3 A. 6. Blower On/Off Switch. SPACE REQUIRED : 1.5 m.(L)x 1.0 m(W) table top. Service Required : 230 v Ac Supply 50 Hz

Thermal Conductivity of Insulating Slab

Thermal Conductivity of Insulating Slab: Micro Teknik The set-up is designed to determine thermal conductivity of insulating materials in the form of slab. The apparatus consists of main central heater and ring guard heater, sandwiched between the specimens. Cooling plates are provided on either side of the specimen. Two identical specimens are clamped between heater that ensures unidirectional heat flow through specimen. The whole assembly is kept in chamber and insulated by ceramic wool insulation around the set-up. EXPERIMENTATION: Determination of thermal conductivity of insulating material in the form of slab. Study of variation of thermal conductivity of the material with temperature. UTILITIES REQUIRED : Water supply 5 lit/min (approx.) Electricity Supply: 1 Phase, 220 V AC, 2 Amp. Table for set-up support. TECHNICAL DETAILS : Specimen Diameter : 180 mm (approx). Thickness : 12 mm (approx). Central Heater : Dia 100 mm, sandwiched between copper plates. Ring Guard Heater : Width 35 mm, sandwiched between copper rings. Cooling chamber : Made of Aluminum for water circulation. 2 Nos. Insulation : Ceramic wool Digital Voltmeter : 0-300 Volt. Digital Ammeter : 0-2 Amp Variac : 0-230 V, 2 Amp, (2 Nos.) One each for central & ring guard heater. Digital Temp. Indicator : 0-199.90C, with multi-channel switch Temperature Sensors : RTD PT-100 type.

Heat Transfer From a Pin-Fin

Thermal Conductivity of Metal Rod

Thermal Conductivity of Metal Rod: Micro Teknik The experimental set up consists of metal bar, one end of which is heated by an electric heater while the other end of the bar projects inside the cooling water jacket. A cylindrical shell filled with the asbestos insulating powder surrounds the middle portion of the bar. The temperature of the bar is measured at different sections. Heat Input to the heater is given through variac and measured by Digital Voltmeter & Digital Ammeter. By varying the heat input rates, wide range of experiments can be performed. Water under constant head condition is circulated through the jacket and its flow rate and temperature rise is noted. Experiment: To plot the temperature distribution along the length of Bar To determine the thermal conductivity of given bar at various temperatures Utilities Required: Water supply 3 lit/min (approx.) Drain Electricity Supply: 1 Phase, 220 V AC 2 Amp. Table for set-up support

Thermal Conductivity of Liquids

Thermal Conductivity of Liquids: Micro Teknik Experiments: Determination of Thermal conductivity of various kinds of liquids comparative study Study of variation of thermal conductivity of different liquids with temperature Utilities required: Water supply 5 lit/min (approx.) Drain Electricity Supply: 1 Phase, 220 V AC, 2 Amps Technical details: 170 mm (approx) Height: 22 mm (approx) Dia 100 mm, sandwiched between copper plates Ceramic Wool: Made of Aluminum for water circulation RTD PT100 type (6 Nos.) Digital Voltmeter: 0300 Volt Digital Ammeter: 02 Amp Varian: 0230 V, 2 A Digital Temperature Indicator: 0199.9 C, with multichannel switch On/Off switch, Mains Indicator etc. Valves are provided for drain, charging& overflow line to make system flexible Fin material: Heater Insulation Cooling chamber Temperature Sensors Control panel Thermal Conductivity for liquid MS Cabinet to accommodate the slab assembly Powder coated base plate

Heat Transfer in Natural Convection

Heat Transfer in Natural Convection: Micro Teknik RANGE OF EXPERIMENTS TO BE CARRIED OUT : To study the temperature distribution along the length of a vertical pipe In natural convection. To calculate Gr, Pr & Nu number in natural convection. To determine the surface heat transfer coefficient for a vertical tube losing heat by natural convection. The experiments can be conducted at various values of input & calculation can be made accordingly. Heat Transfer In Natural Convection RANGE OF EXPERIMENTS TO BE CARRIED OUT : To study the temperature distribution along the length of a vertical pipe In natural convection. To calculate Gr, Pr & Nu number in natural convection. To determine the surface heat transfer coefficient for a vertical tube losing heat by natural convection. The experiments can be conducted at various values of input & calculation can be made accordingly. Heat Transfer In Natural Convection EXPERIMENTAL SETUP : 1.Heater Assembly. 2.Brass Vertical cylinder 3..Cylinder enclosure with stand. 4.Cylinder holding assembly. 5.Set of thermocouples. CONTROL PANEL : 1.12 Channel Digital Temperature Indicator 2.Dimmerstat : 0 - 2 A. 3.Mains On/Off Switch. 4.Voltmeter :0 - 250 V. 5.Ammeter :0 - 3 A. SPACE REQUIRED : 1.5 m.(L)x 1.0 m(W) table top. Service Required : 230 v Ac Supply 50 Hz

Thermal Conductivity of Insulating Powder

Thermal Conductivity of Insulating Powder: Micro Teknik DESCRIPTION:- Insulating Powder apparatus is designed to determine the thermal conductivity of insulating Powder. The Apparatus consists of two thin-walled concentric copper spheres. Inner sphere houses Nichrome Wire heating coil. Insulating Powder is fitted between the spheres. Heat flows radically outwards. Temperature sensors at proper positions are fitted to measure surface temperatures of spheres. Heat input for the heater is given through a Variac and measured by Digital Voltmeter & Digital Ammeter. By varying the heat input rates, wide range of experiments can be performed. EXPERIMENTS:- 1) Determination of thermal conductivity of insulating powder. 2) Comparison of thermal Conductivity of insulating powder at different temperatures. TECHNICAL DETAILS: - Inner Sphere : 100 mm dia. Outer Sphere : 200 mm dia. Heater : Nichrome Wire Temperature Sensors : RTD PT-100 Type (10 Nos.) Control Panel : Digital Voltmeter: 0-300 Volt. Digital Ammeter: 0-2 Amp. Variac : 0-230 V / 2 Amps. Digital Temperature Indicator: 0-300oC With Multi-Channel Switch, ON/OFF Switch, Mains Indicator.

Heat Transfer Through Lagged Pipe

Heat Transfer Through Lagged Pipe Micro Teknik The setup is designed and fabricated to study lagging phenomenon in case of pipes. It consists of three concentric pipes of small thickness as compared to diameter and are arranged concentrically, and closed with the help of two discs. Two different insulating materials fill the annuli between the cylinders compactly. Temperature Sensors are fitted to measure the temperature of pipe walls for radial outward heat flow measurement. Inside the inner pipe, a Nichrome wire heater is placed axially. Heat input to the heater is given through a variac and measured by Digital Voltmeter and Digital Ammeter. By varying the heat-input rates, wide range of experiments can be performed Experiments To estimate the actual rate of heat transfer through the composite cylinders from the measured interface. temperature of the known value of thermal conductivity of the two insulating materials. To determine the effective thermal conductivity of the composite cylinders. To determine the theoretical temperature profile within the composite cylinders. Utilities Required.

Heat Pipe Demonstrator

Heat Pipe Demonstrator: Micro Teknik RANGE OF EXPERIMENTS TO BE CARRIED OUT It is a super-conducting device and involves the transfer of heat by boiling and condensation of a fluid and hence transfer of heat takes place under nearly isothermal condition. In this apparatus the comparison of heat pipe with the copper pipe as good conductor of heat and with the stainless steel pipe as same material of construction is made. It consists of three identical cylindrical conductors in respect of geometry. One end of these is heated electrically while there are small capacity tanks acting as heat sinks at the other end. The unit consists of a heat pipe, a copper pipe and a stainless steel pipe. The performance of the heat pipe as a super-conducting device can be studied well in terms of the temperature distribution along the length at a given instant and can be compared with other two members. Nearly isothermal temperature distribution and fast rise of temperature in heat sink tank reveals the heat pipe superiority over the conventional conductors. Experimentation: To demonstrate the super thermal conductivity of Heat Pipe and to compare its working with best conductor i.e. Copper pipe & Stainless steel pipe as same material of construction. To plot the temperature v/s time response of pipes. To plot the temperature distribution along the length of pipes Utilities required: Electricity Supply : 1 Phase, 220 V AC, 4 Amp Table for set-up support. Technical Specifications: Pipes1ST: Heat pipe made of stainless steel. Pipes 2ND: Made of copper. Pipes 3 RD: Made of Stainless steel. Size: 32 mm dia, 350 mm length (Approx.) Heat Sink: Material Stainless steel. Working fluid in heat pipe: Distilled water. Heaters: Nichrome Wire Band Type. Digital Voltmeter: 0-300 Volts. Digital Ammeter: 0-2 Amp. Variac: 0-230 V, 4 Amp. Digital Temp. Indicator: 0-2000 C, with multi-channel switch. Temperature Sensors: RTD PT-100 type.

Heat Transfer Through Composite Wall

These products are manufactured by our skilled engineers using high-grade materials and innovative technology. The offered walls are available in different designs and other related specifications, in order to meet the variegated expectations of our valuable customers. Our provided range is rigorously tested by the team of our professionals. RANGE OF EXPERIMENTS TO BE CARRIED OUT : To determine total thermal resistance & thermal conductivity of composite wall. To plot temperature gradient along composite wall structure. The experiments can be conducted at various values of input & calculation can be made accordingly. To plot Heat flux Vs thermal conductivity in composite structure.

DRYING OVEN

DRYING OVEN Microteknik Manufacturing Company in Drying large quantities of aggregate samples; Also in drying large quantities of soil samples. Interior body is made from stainless steel by argon-arc-welding technique. Exterior body is made of high-quality steel sheet with a novel appearance Microcomputer PID temperature controller with timer function to ensure precise & reliable temperature control. Hot air circulation system is composed of blower fan and proper air channels. Oven door with Silicon gasket & transparent thermal glass window for watching Specifications: Capacity: š± 0.10C, Rated power heater elements: 2.5 KW, Shelves: 3, Shelf positions; 4 225 liters, Temp. range: +50300šC, Time Locating Range: 1 9999 Min, Temp. Fluctuation: š± 0.75 0C, Temperature Resolution: