Acta Metrologica Sinica  2019, Vol. 40 Issue (6A): 145-149    DOI: 10.3969/j.issn.1000-1158.2019.6A.031
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Analysis of the Influence of the Size and Installation for Temperature Measuring Elements on the Calibration of CFV Nozzle Standard
LIU Zhe1,2,3, ZHANG Fu-yuan1,2, SONG Chao-fan1,2, LI Zhen-lin3
1.Nanjing Branch of National Station of Petroleum & Natural Gas Flow Measurement, Nanjing, Jiangsu 210058,China
2.Guangzhou Branch of National Station of Petroleum & Natural Gas Flow Measurement, Guangzhou, Guangdong 510940, China
3.China University of Petroleum-Beijing,Beijing 102249,China
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Abstract  In order to further verify the influence of temperature measuring element size and installation position on nozzle measurement data, the calibration data of nozzle standard device in station A, station B and station C were selected for comparative analysis with the standard value calculated by JJG 620, and the least square method was used for regression verification. The results show that the processing and installation of the temperature measuring elements should meet the requirements of JJG 620—2008 and GB/T 21188—2007, and the nozzle that does not meet the requirements of the temperature measuring elements should be used in the calibration range, not extended.
Key wordsmetrology      temperature measuring element      standard device      regression analysis      extended application     
Received: 20 September 2019     
PACS:  TB937  
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LIU Zhe
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Cite this article:   
LIU Zhe,ZHANG Fu-yuan,SONG Chao-fan, et al. Analysis of the Influence of the Size and Installation for Temperature Measuring Elements on the Calibration of CFV Nozzle Standard[J]. Acta Metrologica Sinica, 2019, 40(6A): 145-149.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.6A.031     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I6A/145
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