Heat Pipe Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-HTL-10043
Jlab Export is a leading Heat Pipe Apparatus Manufacturer,and suppliers in India
Heat Pipe Apparatus (code EL-HTL-10043) is a comparison rig of three vertical pipes of equal size, a heat pipe, a copper pipe and a stainless steel pipe, each heated by a band heater at its lower end and cooled by a water-filled heat sink at the top. Four thermocouples on every pipe show how nearly isothermal the heat pipe runs. JLab manufactures the three-pipe apparatus in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Heat pipe | Stainless steel, 25 mm OD, 450 mm long; sealed at both ends, evacuated and partly filled with distilled water |
| Comparison pipes | One copper and one stainless steel pipe of the same size |
| Heaters | Band heater of equal capacity at the lower end of each pipe |
| Heat sinks | Water-filled heat sink at the upper end of each pipe |
| Heat input | One dimmerstat of 4 A capacity for all heaters; voltmeter and ammeter |
| Temperature measurement | Multichannel digital indicator; four thermocouples on each pipe |
| Sink thermometers | 3, for the water in the heat sinks |
| Electricity | 230 V AC, single phase |
| Floor area | 1 m x 0.5 m x 0.5 m height |
| Quality check | Each heat pipe apparatus is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Product code | EL-HTL-10043 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Happens Inside the Heat Pipe
The heat pipe is a stainless steel tube, sealed after the air is pumped out and part filled with distilled water. With so little pressure inside, the water at the heated bottom boils at a modest temperature and the vapour rises to the top, where the heat sink cools the wall. There it condenses, gives up its latent heat and runs back down under gravity, which is why the heater sits at the bottom. Evaporation and condensation take place at almost the same saturation temperature, which keeps the wall temperature nearly uniform from end to end.
Comparing the Three Pipes
One dimmerstat feeds heaters of equal capacity, so all three pipes receive the same input, read on the voltmeter and ammeter. Plotting the four thermocouple readings against height gives a steep gradient on the stainless steel pipe, a gentler one on the copper pipe and an almost flat line on the heat pipe. In the sinks, the water above the heat pipe warms fastest, since that pipe delivers the most heat to the top.
Other Heat Pipe, Conduction and Boiling Rigs
- Heat Pipe Demonstrator — stainless steel heat pipe compared with copper and stainless steel pipes, using RTD sensors.
- Thermal Conductivity of Metal Rod — heated metal bar with its far end in a cooling water jacket.
- Critical Heat Flux Apparatus — pool boiling regimes on an electrically heated test wire, up to burnout.
The apparatus sits in the Heat Transfer Lab section of Engineering Lab Equipment.
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Last updated: 30 October 2026
