Journal of Astronautic Metrology and Measurement ›› 2024, Vol. 44 ›› Issue (2): 14-16.doi: 10.12060/j.issn.1000-7202.2024.02.03

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Study on Cavity Absolute Radiometer for Heat Flux Measurement

WANG Kuochuan,LU Chao,LI Yumei,YANG Jing,ZHANG Wei   

  1. Beijing Aerospace Institute for Metrology and Measurement Technology,Beijing 100076,China
  • Online:2024-04-15 Published:2024-05-01

Abstract: The cavity absolute radiometer is widely used as heat flow standard in aerospace and military fields.The research background,measurement principle,development significance,structure and the functional composition of cavity absolute radiometer for heat flux measure are introduced.The test method for cavity absolute radiometer is proposed and measurement results are verified,which shows that the developed cavity absolute radiometer could meet the demand of heat flow calibration.

Key words: Heat flux, Cavity, Radiometer

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