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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
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume49Issue:16Pages:7654-7659
Contribution Rank[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
Corresponding Authorywl@sxicc.ac.cn
AbstractIn 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.
SubtypeArticle
Other AbstractIn 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.
KeywordEquation-of-state Pvt Property Measurements Internal-pressure Thermodynamic Properties Solubility Parameter Isothermal Compressibilities Constant Volume 300 Mpa 338 k Densities
Subject AreaEngineering
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie100271c
WOS Subject ExtendedEngineering
URL查看原文
WOS KeywordEQUATION-OF-STATE ; PVT PROPERTY MEASUREMENTS ; INTERNAL-PRESSURE ; THERMODYNAMIC PROPERTIES ; SOLUBILITY PARAMETER ; ISOTHERMAL COMPRESSIBILITIES ; CONSTANT VOLUME ; 300 MPA ; 338 K ; DENSITIES
Indexed BySCI
Language英语
Funding OrganizationNational 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 SubjectEngineering, Chemical
WOS IDWOS:000280711600056
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/8489
Collection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
Affiliation1.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
Recommended Citation
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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