H112A Linear Heat Conduction

H112A Linear Heat Conduction

A small-scale accessory that allows experimental investigation of linear heat conduction and the measurement of the thermal conductivity of various solid conductors and insulators. An insulated, 25mm diameter brass heated section and cooling section that may be either clamped together, or assembled with one of four insulated intermediate sections or test specimens between the interfaces.

The hot end uses a nominal 65W heater (operating at 240v maximum), which is fitted with a high temperature limit switch.  The power supplied to the heater is controlled and measured by the H112 Heat Transfer Service Unit. The cold section is of identical dimensions to the hot end and is water-cooled. Both the heated and cooled ends are each fitted with three thermocouples at 15mm intervals to measure the temperature gradients along the bars.

H112A Linear Heat Conduction

A small-scale accessory that allows experimental investigation of linear heat conduction and the measurement of the thermal conductivity of various solid conductors and insulators.

An insulated, 25mm diameter brass heated section and cooling section that may be either clamped together, or assembled with one of four insulated intermediate sections or test specimens between the interfaces.

The hot end uses a nominal 65W heater (operating at 240v maximum), which is fitted with a high temperature limit switch.  The power supplied to the heater is controlled and measured by the H112 Heat Transfer Service Unit .

The cold section is of identical dimensions to the hot end and is water-cooled. Both the heated and cooled ends are each fitted with three thermocouples at 15mm intervals to measure the temperature gradients along the bars.

Four intermediate insulated sections are supplied as follows: -

30mm long x 25mm diameter brass with two thermocouples at the same interval as the hot and cold sections. When clamped together the hot and cold sections form a uniform bar with eight equally spaced temperature-measuring points.

30mm long x 25mm diameter stainless steel section.

30mm long x 25mm diameter aluminium section.

30mm long x 13mm diameter brass section.

All eight thermocouples plug directly into the Heat Transfer Service Unit H112 and temperatures are displayed on its digital panel meter.

Requires the H112-Heat-Transfer-Service-Unit for operation.

  • Understanding the Fourier rate equation in determining the rate of heat flow through solid materials.
  • Measuring the temperature distribution for steady state conduction of energy through a uniform plane solid and a composite plane solid.
  • Determine the constant of proportionality (Thermal conductivity) of different materials (conductors and insulators).
  • Measuring the temperature drop at the contact face between adjacent layers in a composite plane solid.
  • Measuring the temperature distribution for steady state conduction of energy through a plane solid of reduced cross sectional area.
  • Understanding the application of poor conductors (insulators).
  • Observing unsteady state conduction (qualitative only)