Analytical heat transfer modeling of a new radiation calorimeter

•Design of a new calorimeter for measuring heat power loss in electrical components.•The calorimeter can operate in a temperature range from −50°C to 150°C.•An analytical model of heat transfers for this new calorimeter is presented.•The theoretical sensibility of the new apparatus is estimated at ±...

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Bibliographic Details
Published in:Thermochimica acta 2016-06, Vol.633, p.56-68
Main Authors: Obame Ndong, Elysée, Gallot-Lavallée, Olivier, Aitken, Frédéric
Format: Article
Language:English
Subjects:
Calorimeter
Computer simulation
Devices
Electric power
Electrical device
Emissivity
Engineering Sciences
Feasibility
Heat power loss
Heat transfer
Heat transfer modeling
Mathematical analysis
Modelling
Power loss
Sensitivity
Thermal conductivity
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Summary:•Design of a new calorimeter for measuring heat power loss in electrical components.•The calorimeter can operate in a temperature range from −50°C to 150°C.•An analytical model of heat transfers for this new calorimeter is presented.•The theoretical sensibility of the new apparatus is estimated at ±1mW. This paper deals with an analytical modeling of heat transfers simulating a new radiation calorimeter operating in a temperature range from −50°C to 150°C. The aim of this modeling is the evaluation of the feasibility and performance of the calorimeter by assessing the measurement of power losses of some electrical devices by radiation, the influence of the geometry and materials. Finally a theoretical sensibility of the new apparatus is estimated at ±1mW. From these results the calorimeter has been successfully implemented and patented.
ISSN:0040-6031
1872-762X
DOI:10.1016/j.tca.2016.03.024