Acta Metrologica Sinica  2016, Vol. 37 Issue (2): 148-150    DOI: 10.3969/j.issn.1000-1158.2016.02.08
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Research on System Time Character of Valve in pVTt Gas Flow Facility
GONG Lei1,2,GONG Zhong-zi1,CHEN Feng-hua1,PAN Qin1,WU Li1
1.Chongqing Academy of Metrology and Quality Inspection, Chongqing 401123, China
2. Chongqing University, Chongqing 400044, China
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Abstract  Through the analysis of the mechanism and measuring method of system time of valve in pVTt gas flow facility, the simplified algorithm is derived to calculate the time difference of the valve open/close process. The relationship between the factors of time difference of the valve open/close process and valve structure, sonic nozzle flow are also analyzed, and the impact of additional mass correction on time difference of the valve open/close process is obtained.
Key wordsmetrology      pVTt gas flow facility      time difference of valve system      inventory mass     
Received: 11 February 2014      Published: 27 January 2016
PACS:  TB937  
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GONG Lei
GONG Zhong-zi
CHEN Feng-hua
PAN Qin
WU Li
Cite this article:   
GONG Lei,GONG Zhong-zi,CHEN Feng-hua, et al. Research on System Time Character of Valve in pVTt Gas Flow Facility[J]. Acta Metrologica Sinica, 2016, 37(2): 148-150.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2016.02.08     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2016/V37/I2/148
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