Acta Metrologica Sinica  2018, Vol. 39 Issue (5): 645-650    DOI: 10.3969/j.issn.1000-1158.2018.05.09
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The Development of the Flow Liquid Heat Capacity Experiment System
ZHENG Yu-xin1,2,WEI Zhao-hui1,LI Jie1
1. School of Energy and Architecture, Xi’an Aeronautical University, Xi’an,  Shaanxi 710077, China
2. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710045, China
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Abstract  The flow liquid heat capacity experiment system was developed to measure heat capacity in the high temperature and high pressure range. The experiment system contained flow calorimeter, the electric heating system, the inside and outside two adiabatic shields. The temperature range of the apparatus was from 293 K to 453 K, and the pressure range was 0.1~20 MPa. Firstly, the pure water was adopted to calibrate coefficient of heat leakage, then, the toluene and cyclohexane were used to test the accuracy and reliability of the system at different temperatures and pressures. Through the uncertainty analysis, the expanded uncertainty of the experimental apparatus was less than 1.41%( k=2).
Key wordsmetrology      heat capacity      flow calorimeter      adiabatic method      electric heatinghigh temperature and high pressure liquid     
Received: 04 April 2018      Published: 05 September 2018
PACS:  TB94  
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ZHENG Yu-xin
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ZHENG Yu-xin,WEI Zhao-hui,LI Jie. The Development of the Flow Liquid Heat Capacity Experiment System[J]. Acta Metrologica Sinica, 2018, 39(5): 645-650.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2018.05.09     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2018/V39/I5/645
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