Thermal parameter estimation by heating and cooling and by thermographic measurement

Paolo Giulio Bison; Alberto Muscio; Ermanno G. Grinzato

doi:10.1117/12.342308

19 March 1999 Thermal parameter estimation by heating and cooling and by thermographic measurement

Paolo Giulio Bison, Alberto Muscio, Ermanno G. Grinzato

Proceedings Volume 3700, Thermosense XXI; (1999) https://doi.org/10.1117/12.342308
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

The use of a Peltier device in thermal contact with a specimen can provide heat source and sink. The utilization of this equipment is experimented, applying successive heating and cooling stages on various specimens and measuring the temperature outside of the contact area. Oscillating temperature in time and space can provide indication on the thermal diffusivity. The appealing ability of sourcing and sinking heat, with average null effect on temperature, may represent an innovative approach with respect to traditional simulation technique. A simple analytical model is exploited for recovering the inversion equations. Numerical simulation allows to better understand the real proces on the sample.

Citation Download Citation

Paolo Giulio Bison, Alberto Muscio, and Ermanno G. Grinzato "Thermal parameter estimation by heating and cooling and by thermographic measurement", Proc. SPIE 3700, Thermosense XXI, (19 March 1999); https://doi.org/10.1117/12.342308

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