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Proceedings Paper

Temperature measurement of gas flow with high temperature and speed using thermal video system
Author(s): Dezhong Zhu; Li Liao; Yuqin Gu
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Paper 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.

Paper Details

Date Published: 13 October 1999
PDF: 7 pages
Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); doi: 10.1117/12.365766
Show Author Affiliations
Dezhong Zhu, Tsinghua Univ. (China)
Li Liao, Tsinghua Univ. (China)
Yuqin Gu, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 3783:
Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids
Soyoung Stephen Cha; Peter John Bryanston-Cross; Carolyn R. Mercer, Editor(s)

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