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题名: Thermodynamic investigation of the high efficient working fluid used for a heat pipe
作者: Nan, ZD;  Tan, ZC;  Sun, LX
关键词: heat pipe ;  working fluid ;  heat capacity ;  adiabatic calorimetry ;  thermodynamic function
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2003-09-01
DOI: 10.3866/PKU.WHXB20030922
卷: 19, 期:9, 页:883-885
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The heat capacities of the high efficient working fluid used for a heat pipe( C-p) were measured by a low temperature adiabatic calorimeter over the range from 78 to 320 K. No thermal anomaly was observed in the range from 78 to 245 K and 274 to 320 K. The functions of C-p vs T were established based on the measured heat capacity data by least-square fitting method to be C-p/(J . K-1 . g(-1)) = 0. 5369 T + 0. 07279 in the range of 78. 41 similar to 245. 19 K. The freezing point, freezing enthalpy and freezing entropy of it were determined to be 271. 21 K, 353. 6 J . g(-1) and 1. 304 J . K-1 . g(-1), respectively. The heat capacities of it are near a constant to be C-p/ (J . K-1 . g(-1)) = 3. 403 +/- 0. 020 in the range 274 K less than or equal to T less than or equal to 320 K. According to the relationship of thermodynamic functions, the thermodynamic function values of the working fluid were calculated in the temperature range of 280 similar to 320 K with 5 K intervals.
关键词[WOS]: FENPROPATHRIN ;  CAPACITIES
语种: 英语
WOS记录号: WOS:000185545200022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138235
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Nan, ZD,Tan, ZC,Sun, LX. Thermodynamic investigation of the high efficient working fluid used for a heat pipe[J]. ACTA PHYSICO-CHIMICA SINICA,2003,19(9):883-885.
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