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Empirical Regularity of the Thermal Pressure Coefficient for Dense Fluids
Zeng, Zhi-Yong1,2; Xu, Yuan-Yuan1; Li, Xiao-Sen2; Li, Yong-Wang1
2010-08-18
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
卷号49期号:16页码:7654-7659
产权排序[Zeng, Zhi-Yong; Xu, Yuan-Yuan; Li, Yong-Wang] Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Peoples R China; [Zeng, Zhi-Yong; Li, Xiao-Sen] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
通讯作者ywl@sxicc.ac.cn
摘要In this paper, an empirical regularity has been proposed for dense fluids, namely, that the thermal pressure coefficient is a near-parabola function of pressure. The regularity has been tested with experimental data for both associating and nonassociating compounds. The applicable ranges have also been investigated widely. It is found that the regularity holds well from the freezing temperature to critical temperature, and no obvious limits were found for pressure and compound type. Moreover, parameters of the thermal pressure coefficient expression were regressed from experimental data for n-alkanols, and the statistical results show it is an accurate correlation equation. Further, on the basis of the Lennard-Jones (12-6) potential function, the theoretical analysis was given to confirm the existence and uniqueness of the peak point for Lennard-Jones fluids.
文章类型Article
其他摘要In this paper, an empirical regularity has been proposed for dense fluids, namely, that the thermal pressure coefficient is a near-parabola function of pressure. The regularity has been tested with experimental data for both associating and nonassociating compounds. The applicable ranges have also been investigated widely. It is found that the regularity holds well from the freezing temperature to critical temperature, and no obvious limits were found for pressure and compound type. Moreover, parameters of the thermal pressure coefficient expression were regressed from experimental data for n-alkanols, and the statistical results show it is an accurate correlation equation. Further, on the basis of the Lennard-Jones (12-6) potential function, the theoretical analysis was given to confirm the existence and uniqueness of the peak point for Lennard-Jones fluids.
关键词Equation-of-state Pvt Property Measurements Internal-pressure Thermodynamic Properties Solubility Parameter Isothermal Compressibilities Constant Volume 300 Mpa 338 k Densities
学科领域Engineering
WOS标题词Science & Technology ; Technology
DOI10.1021/ie100271c
研究领域[WOS]Engineering
URL查看原文
关键词[WOS]EQUATION-OF-STATE ; PVT PROPERTY MEASUREMENTS ; INTERNAL-PRESSURE ; THERMODYNAMIC PROPERTIES ; SOLUBILITY PARAMETER ; ISOTHERMAL COMPRESSIBILITIES ; CONSTANT VOLUME ; 300 MPA ; 338 K ; DENSITIES
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China [20590361]; National Outstanding Young Scientists Foundation of China [20625620]; Key Project of Chinese National Programs for Fundamental Research and Development (973 program) [2009CB219507]
WOS类目Engineering, Chemical
WOS记录号WOS:000280711600056
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/8489
专题中国科学院广州能源研究所
天然气水合物开采技术与综合利用实验室
作者单位1.Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Zeng, Zhi-Yong,Xu, Yuan-Yuan,Li, Xiao-Sen,et al. Empirical Regularity of the Thermal Pressure Coefficient for Dense Fluids[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2010,49(16):7654-7659.
APA Zeng, Zhi-Yong,Xu, Yuan-Yuan,Li, Xiao-Sen,&Li, Yong-Wang.(2010).Empirical Regularity of the Thermal Pressure Coefficient for Dense Fluids.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,49(16),7654-7659.
MLA Zeng, Zhi-Yong,et al."Empirical Regularity of the Thermal Pressure Coefficient for Dense Fluids".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 49.16(2010):7654-7659.
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