Correction of cavity absorptance measure method for cryogenic radiometer

	Correction of cavity absorptance measure method for cryogenic radiometer
	Yi, X. L.; W. Fang; Y. Luo; Z. W. Xia and Y. P. Wang
	2016
发表期刊	Iet Science Measurement & Technology
卷号	10 期号:6
摘要	Solar Irradiance Absolute Radiometer (SIAR) is a cavity-type electrical substitution radiometer for transferring the World Radiance Reference (WRR). In order to shorten the measurement period, and ensure the measurement precision, the cavity temperature response model is experimentally investigated and corrected. The thermodynamic equation of cavity temperature is solved. Based on the analysis of non-equivalent in optical and electrical heating, the cavity temperature response model is corrected to a double exponential form. The simulation result analyzes the origin of the temperature pulse. A new characteristic parameter, named as non-equivalent response time, is proposed and measured. The cavity temperature response characteristic of SIAR is improved by the compensation of the temperature pulse. Comparison experiment results illustrate that the temperature pulse can be compensated by inserting a delay time, and the cavity temperature response model is simplified to a single exponential form. Thus, SIAR with large thermal time constant can adopt shorter measurement period, meanwhile measurement precision is 0.07%. The investigation of non-equivalent response time is important for the radiant calibration of SIAR. This correction method can also be used to optimize the on-orbit calibration method of Total Solar Irradiance Monitor (TSIM). 2016 SERSC.
文章类型	期刊
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57368
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Yi, X. L.,W. Fang,Y. Luo,et al. Correction of cavity absorptance measure method for cryogenic radiometer[J]. Iet Science Measurement & Technology,2016,10(6).
APA	Yi, X. L.,W. Fang,Y. Luo,&Z. W. Xia and Y. P. Wang.(2016).Correction of cavity absorptance measure method for cryogenic radiometer.Iet Science Measurement & Technology,10(6).
MLA	Yi, X. L.,et al."Correction of cavity absorptance measure method for cryogenic radiometer".Iet Science Measurement & Technology 10.6(2016).

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