Thermal measuring and testing – Heat flux measurement – By differential temperature measurement along undisturbed...
Patent
1988-06-14
1990-03-06
Yasich, Daniel M.
Thermal measuring and testing
Heat flux measurement
By differential temperature measurement along undisturbed...
165 32, 250341, 374 32, 374121, G01J 512, G01K 1720, G01N 2520
Patent
active
049061054
ABSTRACT:
Thermal conditions inside an oven are measured by a transducer device (1) having plates providing heat absorbent and heat reflective surfaces (2,4) and a thermocouple for measuring the temperature difference between them as a measure of radiant heat. The plates are mounted on a thin thermally insulating layer secured to a heat sink in the form of a copper mass (7,9), and a second thermocouple measures the temperature difference between the heat absorbent surface and the heat sink as a measure of heat flux through the surface. A Peltier cooler (55) or a flowing liquid can be used alternatively as a heat sink. Heat flux alone can be measured by omission of the heat reflective surface, and where the heat sink is a flowing fluid the heat gained can be measured.
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United Biscuits (UK) Limited
Yasich Daniel M.
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