Paper
13 October 1999 Temperature measurement of gas flow with high temperature and speed using thermal video system
Dezhong Zhu, Li Liao, Yuqin Gu
Author Affiliations +
Abstract
Thermal imaging technique has been used to measure the temperature distribution of gas flow with high temperature and high speed generated in a high temperature wind-tunnel. FIrst, the silicon carbon sheath of thermocouple sensor was considered as a reverential body and its surface temperature was measured using a thermal-video system. The, the real temperature distribution of gas flow was calculated according to the convective heat transfer coefficient between the reverential body and the gas flow. Two ways have been sued to determine the convective heat transfer coefficient, one by calculating based on empirical relation, other by experimental way.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dezhong Zhu, Li Liao, and Yuqin Gu "Temperature measurement of gas flow with high temperature and speed using thermal video system", Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); https://doi.org/10.1117/12.365766
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Cited by 1 scholarly publication.
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KEYWORDS
Temperature metrology

Thermography

Silicon carbide

Sensors

Body temperature

Infrared imaging

Infrared radiation

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