Description:
The arrangement, using a solid metal disk with temperature measurements at different radii and heat flow radially outward from the centre to the periphery, enables the temperature distribution and flow of heat by radial conduction to be investigated.
On the heater power and the cooling water flow rate are regulated by PID controlled via the HT10X via the computer software.
The accessory comprises a solid disk of material, which is heated at the centre and cooled at the periphery to create a radial temperature difference with corresponding radial flow of heat by conduction
Six K-type thermocouples are positioned at different radii in the heated disk to indicate the temperature gradient from the central heated core to the periphery of the disk
The radial distance between each thermocouple in the disk is 10mm
Quick-release connections facilitate rapid connection of the cooling tube to a cold water supply
Heater can be voltage or PID controlled allowing for the temperature set-point to be achieved rapidly and maintained within 0.1°C
Experimental Capabilities:
- Understanding the use of the Fourier rate equation in determining rate of heat flow through solid materials
- Measuring the temperature distribution for steady-state conduction of energy through the wall of a cylinder (radial energy flow)
- Determining the constant of proportionality (thermal conductivity k) of the disk material
Technical Specification:
- A small-scale accessory to introduce students to the principles of radial heat conduction, and to allow the conductivity of a solid brass disk to be measured:
- A small-scale accessory to introduce students to the principles of radial heat conduction, and to allow the conductivity of a solid brass disk to be measured
- Comprised of a brass disk which with a PID controlled heating section heated at the centre and a cooling water tube attached to the periphery to create a radial temperature difference with corresponding radial flow of heat by conduction
- Conduction disk 110mm diameter and 3.2mm thick
- Heater power must be variable up to 100 Watts
- Six K-type thermocouples positioned at different radii in the heated disk to indicate the temperature gradient from the central heated core to the periphery of the disk.
- PID Controller Water flow rate variable up to 1.5 l/min
