Applied Scientific Instruments Co., Ltd.

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Radial Heat Conduction

หมวดหมู่สินค้า: HT SERIES - COMPUTER CONTROLLED HEAT EXCHANGE / HEAT TRANSFER
รหัส : HT12X
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 HT12X the heater power and the cooling water flow rate are regulated by PID controlled via the HT10X via the computer software.

20 เมษายน 2566

ผู้ชม 414 ผู้ชม

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 HT12X 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
  • The HT10X service unit provides the accessory with the cooling water system:

            –  A pressure regulator is incorporated to minimise the effect of fluctuations in the supply pressure

            –  The cooling water flow rate is measured by a turbine type flow sensor

            –  A control valve on the HT10X service unit allows the flow of cooling water to be varied, if required, over the operating range of 0-1.5 l/min. Valve                  can be PID controlled for improved supply pressure disturbance reduction

 

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 SPECIFICATIONS

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

 

FEATURES & BENEFITS

  • Quick release connectors fitted to all accessories that require water cooling (non drip)
  • Software supplied as standard with exercise and calculations screens
  • Manual includes exercises into understanding radial heat conduction
  • Many experiments available

 

 

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