单屏式多点气流温度传感器现场校准工况参数影响分析

doi:10.3969/j.issn.1000-1158.2022.02.14

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Abstract By means of numerical simulation, the single screen multi-point air flow temperature sensor in the combustion chamber test environment is simulated, the temperature field and flow field environment are changed, and the influence laws of different working conditions parameters such as total inlet temperature, total inlet pressure and Mach number on the measurement results of the single screen multi-point air flow temperature sensor are analyzed and verified by experiments. The numerical simulation results show that under the combustion chamber test environment, the temperature measurement deviation of the single screen multi-point air flow temperature sensor increases with the increase of the total incoming flow temperature. For each increase of 1000K, the temperature measurement deviation increases by about 2K; with the increase of the total incoming pressure, the temperature measurement deviation decreases by about 1K for every 100kPa increase; it decreases with the increase of incoming Mach number, for each increase of 0.1, the temperature measurement deviation decreases by 0.7K. The above conclusions provide a reference for the field calibration of gas flow temperature parameters in combustion chamber test.

Key words： metrology airflow temperature sensor numerical simulation field calibration temperature deviation

Received: 25 August 2021 Published: 23 February 2022

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TB94

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	Articles by authors
	WANG Yu-fang
	DONG Su-yan
	ZHAO Jian
	LIU Chong-yang

Cite this article:

WANG Yu-fang,DONG Su-yan,ZHAO Jian, et al. Influence Analysis of Working Condition Carameters of Single Screen Multipoint Air-flow Temperature Sensor in Field Calibration[J]. Acta Metrologica Sinica, 2022, 43(2): 222-227.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2022.02.14 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2022/V43/I2/222

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