Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player

 
 
Product Search
Heat and Mass Transfer Lab
 

Heat and Mass Transfer Lab

 
 
 
COMPOSITE WALL APPARATUS

DESCRIPTION:-
The ‘J.P.T.I.’ unit consists of a three slabs of different materials namely mild steel, wood & Bakelite. Nicrome heater is provided to supply heat input across these composite walls. Total heater assembly comprises of a heater bound between two aluminium plates, on both sides of this heater identical structures of composite wall are placed. Thermocouples are provided at proper position in the composite wall to record desired inside temperature of composite wall. Multichannel temperature indicator is used to measure this temperature. Small hand press provided to press the wall on each other & to ensure that no air gap remaining between two plates. Heat input to heater is given through a variance & measured by voltammeter & ammeter. By varying heat input & combinations of the composite structure wide range of experiment can be performed.

SPECIFICATION:-
• Diameter of Slab = 0.3 m
• Thickness of Bakelite plate = 0.012m
• Thickness of Press Wood plate = 0.012 m
• Thickness of MS Plate = 0.012m
• Temperature indicator = 0 –300 0C
• Ammeter = 0 - 5 A
• Voltmeter = 0 – 300 V
• Dimmerstate = 1000 watt
• Heater = Mica Type

FEATURES:-
• The temperature distribution across the composite wall can be studied for given
   arrangement of slabs.
• The change in temperature distribution across the composite walls by altering
   combination of slabs can be observed.

RANGE OF EXPERIMENT:-
• To determine total thermal resistance and thermal conductivity of composite wall.
• To plot temperature gradient along composite wall structure.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amps, Single Phase A.C. with earthing connection.

J. P. TECHNO INSTRUMENTS
 
Composite Wall Apparatus
 
Composite Wall Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
CRITICAL HEAT FLUX APPARATUS

DESCRIPTION:-
The ‘J P T I’ unit consists of a cylindrical glass container containing distilled water. Heating surface is in the form of a Nichrome heating wire completely submerged in the water. Thermometers are provided to measure the temperature of water in the container.

SPECIFICATION:-
• Glass Container - Dia. 250mm & Height 100mm
• Voltmeter - 0 - 300 V
• Ammeter - 0 - 5 A
• Dimmerstat - 10 amp
• Heater (For water Heating) - Nichrome Type.
• Length of the Test Heater wire - 100mm
• Thermometer - 0 - 100 0C

FEATURES:-
• Pool boiling phenomenon can be studied at atmospheric pressure.
• Ideal for group studies & demonstration for boiling regions up to critical heat flux conditions.
• A range of experiments can be performed with varying degree of sub cooling.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amps, Single Phase A.C. supply with earthing connection

J. P. TECHNO INSTRUMENTS
 
Composite Wall Apparatus
 
Composite Wall Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
DROP AND FILM CONDENSATION

DESCRIPTION:-
The ‘JPTI’ unit consist of a transparent gas cylinder at the top of which two cylinders hang & steam is also admitted at the top one of the condenser is provided with chrome plated surface and other with natural surface finish to promote film wise condensation water is circulated through the condensers from common inlet. The transparent cylinder allows visualization of condensation process. A rota-meter measures the water flow & a pressure gauge shows the steam pressure. A digital temperature indicator measures temperatures at various points.

SPECIFICATIONS:-
• Steam generator: -with 1 kw capacity water heater
• Condensers: - Chrome plated (For consideration in drop forms.)
• Natural finish. (For consideration in film forms.)
• Rota-meter: - 50- 500 LPH for cooling water flow measurement.
• Pressure gauges: -0-2 kg/sq. cm.
• Digital temperature indicator.
• Flow control valves for cooling water.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amps, Single Phase A.C. with earthing connection.
• Water supply about 5 lit/min. at constant head.

J. P. TECHNO INSTRUMENTS
 
 
Drop And Film Condensation
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
EMMISSIVITY MEASURMENT APPARATUS

DESCRIPTION:-
The ‘JPTI’ unit consists of a two circular aluminium plates of identical dimensions. One of the two plates is the blackened and considered as black surface. While other plates is the test plates. Both the plates have Nichrome wire heater bound in mica sheet attached to them. Both the plates are kept in close enclosure. Supply of heat to both the plates is given by different variances measured by a voltmeter & ammeter. Heat input to both the plates can be read with the help of SPDT switches. A temperature indicator is provided to measure the temperature of both the plates.

SPECIFICATIONS:-
• Diameter of Test Plate = 0.18 m
• Diameter of Black Plate = 0.18 m
• Temperature indicator = 0 –300 0C
• Ammeter = 0 - 5 A
• Voltmeter = 0 – 300 V
• Dimmerstate (2Nos.) = 1000 watt
• Heater = Nichrome strip wound on mica sheet.
• Enclosure = With one side of Acrylic sheet

FEATURES:-
• Emissive of a non black surface can be determined over a range of temperature.
• Ideal for group studies & demonstration.
• Panellized instruments mounted on a control panel.
• Easy to operate.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amps, Single Phase A. C. supply with earthing connection.

J. P. TECHNO INSTRUMENTS
 
Emmissivity Measurment Apparatus
 
Emmissivity Measurment Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
FORCED CONVECTION APPARATUS

DESCRIPTION:-
The ‘JPTI’ unit consists of mainly a centrifugal blower, electrically heated test section, control valve to regulate the air flow and an orifice-meter and U-tube water manometer for flow measurement. Thermocouples are used to measure the pipe wall temperature and also the air temperature at inlet and exit. The apparatus mainly designed to find out the value of heat transfer coefficient under the air different conditions.

SPECIFICATION:-
• Temperature indicator = 0 –300 0C
• Ammeter = 0 - 5 A
• Voltmeter = 0 – 300 V
• Dimmerstate = 1000 watt
• Heater = Mica Covered Type
• Delivery Pipe Diameter (di) = 0.032 m
• Length of test Section (L) = 0.44 m
• Orificemeter Diameter (do) = 0.014 m
• Blower = 1/3 H.P. Single Phase with Motor
• Manometer = Water Manometer
• Test Section Insulation = Asbestos Rope
• Thermocouple - No. 1 to 6 on the Test Section
• Thermocouple - No. 7 Inlet Temperature of Air to Test Section
• Thermocouple - No. 8 Exit Temperature of Air From Test Section
• Thermocouples = Cromel-Alumel

FEATURES:-
• Heat transfer in forced convection can be studied well.
• The value of heat transfer coefficient is calculated under various fluid flow conditions.
• Ideal for group studies & demonstration.

RANGE OF EXPERIMENTS:-
• To study the temperature distribution along the length of test section by -Forced convection

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amp single Phase A. C. supply with earthing connection.

J. P. TECHNO INSTRUMENTS
 
Forced Convection Apparatus
 
Forced Convection Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
HEAT PIPE DEMONSTATION APPARATUS

DESCRIPTION:-
The ‘J.P.T I’ unit consists of 3 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 & stainless steel pipe.
Thermocouples are embedded along the lengths to measure the temperature distribution & the heat transfer rate is noted in terms of the temperature rise in the heat sink tanks. Performance of heat pipes as a super conducting device could be studied well in terms of the temperature distribution along the length at a given instant and could be compared with other two members. The apparatus could be operated under different heat input rates to the heaters.

SPECIFICATION:-
• O.D. of heat pipe - 25 mm Dia. nominal stainless steel pipe.
• Stainless steel pipe - 25mm Dia. nominal.
• Copper pipe - 25 mm Dia. nominal.
• Length of the pipes - 470 m. m. each approx.
• Condenser tank - Approx. 1/2 Lit. Capacity.
• Working fluid in heat pipe - distilled water.
• Dimmerstat - 1000 watt.
• Voltmeter - 240 volts.
• Ammeter - 0 - 3 A.
• Temperature indicator - 0 - 3000C multi channels

SERVICE REQUIRED:-
• Suitable bench area.
• 15amp, Single Phase A. C. supply with earthing connection.


J. P. TECHNO INSTRUMENTS
 
 
Heat Pipe Demonstation Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
LAGGED PIPE APPARATUS

DESCRIPTION:-
The ‘J.P.T.I’ unit consists of a three concentric pipes of a very small thickness as compared to diameter. They are arranged concentrically over two supports and closed with the help of two discs. The annual in between the cylinders are filled completely by two different insulating materials. Thermocouples at proper position are used to measure the temperature. Inside the inner pipe a nicrome wire heater is placed. Heat input to the heater is given through a variance and measured by a voltmeter and ammeter. By varying the heat input rates wide range of experiments can be performed.

SPECIFICATION:-
• G.I pipe inside - 60 mm dia. Approx.
• G.I. pipe middle - 110 mm dia. Approx.
• G.I pipe outer - 156 mm dia. Approx.
• Length of pipes - 1000 mm Approx.

FEATURES:
• Effects of different insulating material combinations can be seen.
• Easy to operate.
• Ideal for group studies and demonstration.

RANGE OF EXPERIMENTS:-
• To determine the heat transfer parameters for the heat flow through lagged pipe.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15amp, Single Phase A. C. electric supply with earthing connection.

J. P. TECHNO INSTRUMENTS
 
Lagged Pipe Apparatus
 
Lagged Pipe Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
NATURAL CONVECTION APPARATUS

DESCRIPTION:-
The ‘J P T I’ consists of vertical cylinder fitted in a large enclose, with top and bottom open to ensure undisturbed natural convection apparatus. Perspex sheet provided at the front side of enclosure for visual display. Heating element provided inside the cylinder to heat it uniformly and the heat is dissipated from other surface by natural convection to ambient air. Thermocouples cylinder surface and one more thermocouple record the ambient temperature in the duct. The heater input can be varied with the help of a dimmerstat and measured by voltmeter and an ammeter.

SPECIFICATION:-
• Diameter of the Brass Cylinder - 38 mm
• Length of the Brass Cylinder - 540 mm
• Heater - Cartridge Type.
• Temperature indicator - 0 - 300 0C
• Voltmeter - 0 - 300 V
• Ammeter - 0 - 5 A
• Dimmerstat - 1000 watt
• Thermocouple - No. 1 to 7 on the Brass Cylinder
• Thermocouple - No. 8 Duct (Room) Temperate

FEATURES:-
• Heat transfer coefficient in natural convection conditions can be calculated.
• Variation of local heat transfer coefficient over the entire length of vertical
   cylinder can be studied.
• Average value of heat transfer coefficient can be obtained from suitable correlation
  & can be compared with the experiments can be performed for various values of heat input.
• Ideal for group studies demonstration.

SERVICE REQUIRED:-
• Suitable bench area.
• 15 amps, Single Phase A. C. supply with earthing connection

J. P. TECHNO INSTRUMENTS
 
Natural Convection Apparatus
 
Natural Convection Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
PARRALE FLOW & COUNTER FLOW HEAT EXCHANGER

DESCRIPTION:-
The ‘J. P. T. I.’ unit consists of a tube in tube type concentric tube type exchanger hot fluid flow through inner tube and cooling water flows through the annulus. The apparatus is mounted on a board with system of valves and pipes. The heat exchanger arranging to instruction shown on board. Hot fluid flows always in one direction & cold fluid flow direction can be changed accordingly. Inlet temperature of heat exchanger can be measured by thermometers. An electric geyser is used to heat the water. Outer tube of the heat exchanger is provided with adequate thermocouple insulation to minimize the heat losses.

FEATURES:-
• Performance and working of heat exchangers can be studied easily.
• Both parallel and counter flow arrangements can be studied on the same
   set-up with simple operation of valves.
• Wide range of experiments can be performed with varying flow rates on hot and cold side.
• Ideal for group studies.

SPECIFICATION:-
• Heat exchanger :-
   a) Outer tube - I. D. - 25 mm 1 m. long G. I.
   b) Inner tube - O. D - 12.5 mm 1 m. long Copper.
• Valve arrangement for parallel flow/counter flow operation and flow control.
• Geyser to obtained hot water.
• Thermometers to measures inlet and outlet temperature of hot and cold water.

RANGE OF EXPERIMENTS:-
• To determine heat transfer coefficient for a tube in tube type heat exchanger.
• To calculate -
   a) Rate of heat transfer.
   b) Long mean temperature difference.
   c) Overall heat transfer coefficient (H) for both parallel and counter-flow condition,
   under same flow rates.
• To compare values of heat transfer coefficient obtained experimentally with those
   calculated from empirical formula for flow through tubes and annually.

SERVICE REQUIRED:-
• Suitable flour area to mount the instrument.
• 15 A. Single Phase A.C. supply with earthing connection.
• Continuous water supply.

J. P. TECHNO INSTRUMENTS
 
Parrale Flow & Counter Flow Heat Exchanger
 
Parrale Flow & Counter Flow Heat Exchanger
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
PIN-FIN APPARATUS

DESCRIPTION:-
The ‘J.P.T.I.’ unit consists of a brass or aluminium fin of a circular cross section fitted across at one end of a long rectangular duct. The other end of the duct is connected to suction side of the blower and the air flows past the fin perpendicular to its axis. One end of the fin projects outside the duct & is heated by an electric heater. Temperature at five points along the length of the fin is measured by thermocouples. The blower is not run in natural convection condition while it is run in forced convection conditions. The air flow rate can be varied by control valve on delivery side of the blower.

SPECIFICATION:-
• Material of Fin - Brass
• Length of the Fin (L) - 150 mm
• Diameter of Fin (D) - 12.5 mm
• Diameter of Orificemeter - 14 mm
• Diameter of Delivery Pipe - 38 mm
• Coefficient Discharge of Orifice meter(Cd) - 0.65
• No. of thermocouples mounted on the Fin - 5
• No. of thermocouples in the Duct (Ambient) - 1
• Heater - Band type
• No. of thermocouples - 6
• Position 1 to 5 - on the Fin
• Position 6 - in the Duct
• Dimmerstat - 1000 watt
• Voltmeter - 0 - 300 volt
• Ammeter - 0 - 5 amp
• Temperature Indicator - 0 – 3000 C
• Manometer - Water Manometer
• Thermocouples - Cromel-Alumel

RANGE OF EXPERIMENTS:-
• To study the temperature distribution along with the length of fin in Forced convection
  and Natural Convection

SERVICE REQUIRED:-
• Suitable floor space.
• 15 amps, Single Phase A. C. supply with earthing connection.

J. P. TECHNO INSTRUMENTS
 
PIN-FIN Apparatus
 
PIN-FIN Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
STEFAN BOLTZMANN APPARATUS

DESCRIPTION:
The ‘J. P. T. I.’ unit consists of a hemisphere surrounded by hot water. The instrument determines Stefan Boltzmann constant. Water heating tank is provided to supply hot water. Stefan Boltzmann constant is determined from the temperature raise rate when blacked disc is inserted at the centre of disc from hemisphere by radiation & its temperature begins to rise.

SPECIFICATION:-
• Hemisphere dia. - 0.205 m.
• Base Bakelite plate - 0.05 m.
• Test disc dia. - 0.0195 m.
• Thickness of test disc - 0.003 m.
• Thermocouples on hemisphere - 4 Nos.
• Water tank of capacity with immersion heater. - 8 litre
• Thermocouple on test disc - 1 No.
• Temperature indicator. - 0-300 oC

FEATURES:-
• The phenomenon of heat transfer by radiation can be understood well.
• Stefan Boltzmann constant can be calculated.
• Easy to operate.
• Ideal for group studies and demonstration.

SERVICE REQUIRED:-
• Suitable bench area to mount the instrument.
• 15 amps, Single phase A. C. supply with earthing connection.

J. P. TECHNO INSTRUMENTS
 
Stefan Boltzmann Apparatus
 
Stefan Boltzmann Apparatus
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
THERMAL CONDUCTIVITY OF INSULATING POWDER

DESCRIPTION:-
The ‘J.P.T.I.’ unit consists of two thin wall concentric copper spheres. The inner sphere houses the heating coil. Heating coil is made up of nichrome wire wound on mica sheet. The insulating powder packed between two shells. Power supply to the heater is given through a dimmerstat & is measured by voltmeter & an ammeter. Temperature can be measured with the help of thermocouples. Four thermocouple are embedded on inner sphere and six thermocouples are embedded on outer sphere. The entire ten temperature indicator, these reading enable of insulating powder.

SPECIFICATION:-
• Radius of the inner copper sphere - ri - 50mm
• Radius of the outer copper sphere - ro - 100 mm
• Voltmeter - 0 - 300 V
• Ammeter - 0 - 5 A
• Dimmerstat - 1000 watt
• Heater - Mica Type.
• Temperature indicator - 0 - 300 0C
• Thermocouple - No. 1 to 4 on inner sphere to measure Ti
• Thermocouple - No. 5 to 10 on outer sphere to measure T0
• Insulating powder Asbestos magnesia commercially available powder and
• Packed between the two spheres.

FEATURES:-
• Thermal conductivity of insulating powder can be calculated.
• Wide range of experiments can be performed to find value over a range of temperatures.
• Ideal for group studies & demonstration.
• Panelised instruments mounted on a control panel.
• Easy to operate.
• Useful for institutions, research laboratories & insulating powder manufactures

EXPERIMENTS:-
• To find out the thermal conductivity of the Insulating powder packed between the two spheres.

SERVICE REQUIRED:-
• 15 amps, Single Phase A. C. supply with earthing connection.
• Suitable bench area to mount the instrument.

J. P. TECHNO INSTRUMENTS
 
Thermal Conductivity Of Insulating Powder
 
Thermal Conductivity Of Insulating Powder
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
 
THERMAL CONDUCTIVITY OF METAL BAR APPARATUS

DESCRIPTION:-
The ‘J. P. T. I.’ unit consists of a copper bar, which is heated at one end, a Cold water jacket is provided at other end. The test section of bar is properly insulated and along the length of bar, thermocouples are attached. Heat conducted through the section of bar is measured by thermocouples and also heat dissipated in water measured by thermocouples. A panel comprising of controls and measurements is provided, which provides easy operation and study mounting of unit.

SPECIFICATIONS:-
• Material of metal bar - Copper
• Length of the metal bar (Total) - 510 mm
• Diameter of metal bar - 25.4 mm
• Test length of bar - 292.5 mm
• No. of thermocouples mounted on the bar - 6
• No. of thermocouples in the insulation shell - 2
• Heater - Band type
• Cooling jacket diameter - 75 mm
• No. of thermocouples - 10
• Position 1 to 6 - on the bar
• Position 7 & 8 - in the shell.
• Position 9 & 10 - cooling water in & out
• Dimmerstat - 1000 watt
• Voltmeter - 0 - 300 volt
• Ammeter - 0 - 5 amp
• Temperature Indicator - 0 – 3000 C

SERVICE REQUIRED:-
• Bench area to mount equipment
• 15amps Single Phase, AC electric supply with earthing connection.
• Continuous Water supply at constant head.

J. P. TECHNO INSTRUMENTS
 
Thermal Conductivity Of Insulating Powder
 
Thermal Conductivity Of Insulating Powder
 
J. P. TECHNO INSTRUMENTS
953, Bazar Peth Road, Masur
Tal-Karad, Dist - Satara. (Mh)
Cell : + 91 - 98220 48448
Web : www.jptechnoindia.com
 
 
 
 
 
J.P.TECHNO INSTRUMENTS
 
www.heattransferlab.in
www.steampowerplants.net
www.fluidmachines.net
J.P.TECHNO INSTRUMENTS
   
We are Leading Manufactures of Educational Training Equipments and our setup is situated at Satara (MAHARASHTRA, INDIA)
Designed by : MID Hosted by : PBD Promoted by : GID