Temperature measurement by IR camera of heated device to high temperature during a short time

Nathanaëlle Sonneck-Museux; Philippe Vergé; Jean-Pierre Judic; Pierrick Edard

doi:10.1117/12.2185128

30 April 2015 Temperature measurement by IR camera of heated device to high temperature during a short time

Nathanaëlle Sonneck-Museux, Philippe Vergé, Jean-Pierre Judic, Pierrick Edard

Proceedings Volume 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015; 95341J (2015) https://doi.org/10.1117/12.2185128
Event: The International Conference on Quality Control by Artificial Vision 2015, 2015, Le Creusot, France

Abstract

A device allowing heating a liquid to high temperatures during a very short time has been conceived in our laboratory. The goal of this survey is to find the suitable experimental configurations, so that tested material affected by the temperatures coved between 200 and 750°C. This study is achieved to the Solar Furnace of the DGA in Odeillo. The cavity containing the liquid is a thermocouple sleeve (capillary) in Inconel 600. Its extremity is closed tightly by a removable steel plug permitting the tightness after replenishment. An electromagnet associated to a generator of delay permit to make fall the whole after the solar irradiation in liquid nitrogen in order to stop the reaction of "deterioration" of the tested product. According to capillary dimensions and to heating time, the temperature measurement using a pyrometer is not possible. A second possibility is using thermocouple, but it is not easy to join this captor on Inconel 600. Using by infrared camera allows observing the presence or the absence of inflammation during the solar irradiation and the sleeve fall too. The measures of temperatures by thermocouple show a lot of variability. The measures comparison with those by infrared camera shows a phenomenon of "heat well". Several score of tests to the solar furnace have been achieved in different experimental configurations. Nine experimental configurations have been validated, for variable flux of 100 to 500W/cm². The observation by infrared camera permitted to validate the conceived system and to verify the homogeneity of the sleeve heated.

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Nathanaëlle Sonneck-Museux, Philippe Vergé, Jean-Pierre Judic, and Pierrick Edard "Temperature measurement by IR camera of heated device to high temperature during a short time", Proc. SPIE 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015, 95341J (30 April 2015); https://doi.org/10.1117/12.2185128

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KEYWORDS

Temperature metrology

Infrared cameras

Capillaries

Liquids

Cameras

Nitrogen

Attenuators

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