Thermodynamics > Heat transfer

TH 310 HEAT CONDUCTION, Computer Interface

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The unit consists of two parts: a multi section bar for linear heat conduction studies, and a metal disc for radial heat conduction studies.

. Linear Heat Conduction Unit.

The unit has 3 sections which can be pressed tightly together. The first section is for heat input where a heater and three temperature sensors at 10 mm interval are installed. The center section has three temperature sensors at 10 mm interval. The last section is a heat sink section where cooling water and two temperature sensors at 20 mm interval are installed.

The center section may be removed and replaced with a smaller heat conduction section or a different heat conduction material. Both replaced sections are without temperature sensors. Matching surfaces of the heat conduction section are accurately finished to minimize conduction resistance and a heat conducting compound may be applied to further reduce resistance. Thermal conductivity of an insulation material can be determined by inserting a thin insulating disc between two heat conduction surfaces.

. Radial Heat Conduction Unit.

The unit consists of a brass disc heated at the center by a heater with cooling water circulating around the periphery. Six temperature sensors are placed along a radius.

    The metallic parts of both linear and radial heat conduction units are effectively insulated inside plastic casings.

. A service module provides power supply, heater control unit, and measuring instruments.

The test unit requires outside water supply for cooling.

Instruction manual is also included.

  • Heat conduction along a simple bar.

     

  • Heat conduction along a composite bar.

     

  • Effect of cross section area.

     

  • Radial heat conduction.

    . Effect of surface contact.

    . Effect of insulation.

Linear heat conduction:
- Heating section : 25 mm diameter brass with 3 temperature sensors
- Center section : 25 mm diameter brass with 3 temperature sensors
: 13 mm diameter brass
: 25 mm diameter stainless steel
- Cooling section : 25 mm diameter brass with 2 temperature sensors
  • Radial heat conduction
: 110 mm diameter x 3 mm thick brass disc with 6 temperature sensors
  • Heaters
: 2x 120W with dimmer switches
  • Temperature control unit to limit temperature of heater
  • Sensors with digital display
: Voltage and current for input power measurement
: Temperatures
  • Computer Interface unit with software for data display and analysis by computer (separately supplied)
  • WiFi feature for data logging and real-time display remotely on smartphone (iOS and Android
  • Power supply
: 220 V, 1 Ph, 50Hz. Other power supply is available on request.
 

Net (unpacked) shipping dimensions WxLxH  : 45 x 65 x 20 cm

Net weight  : Approx. 20 kg

  • TH310-014          Cooling unit instead of outside water supply

 

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