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Investigation on Thermodynamic Properties of a Water-Based Hematite Nanofluid
Wei, Chengzhen1; Nan, Zhaodong1; Wang, Xiaoming1; Tan, Zhicheng2
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
2010-07-01
DOI10.1021/je900883j
Volume55Issue:7Pages:2524-2528
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordTHERMAL-CONDUCTIVITY ; HEAT-CAPACITIES ; NANOPARTICLES ; ENHANCEMENT ; SUSPENSIONS ; MODEL
AbstractA friendly environmental method was used to prepare a water-based hematite (alpha-Fe(2)O(3)) nanofluid through a simple biomolecule-assisted hydrothermal process. The molar heat capacities of the obtained nanofluids, base fluids, and hematite nanoparticles were measured by a high-precision automatic adiabatic calorimeter over the temperature range of (290 to 335) K, respectively. Polynomial equations of the molar heat capacities as a function of temperature were fitted by a least-squares method for the solid and nanofluid samples. Smoothed heat capacities and thermodynamic functions of the obtained samples, such as H(T/K) - H(298.15 K) and S(T/K) - S(298.15 K), were calculated on the basis of the fitted polynomials and the relationships of the thermodynamic functions. On the basis of the as-obtained molar heat capacities, the excess heat capacities of the nanofluids were calculated. These excess heat capacities reveal that the stable hematite nanofluids exhibit unique properties compared with the unstable one.
Language英语
WOS IDWOS:000279508100027
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141760
Collection中国科学院大连化学物理研究所
Affiliation1.Yangzhou Univ, Coll Chem & Chem Engn, Yangzhou 225002, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wei, Chengzhen,Nan, Zhaodong,Wang, Xiaoming,et al. Investigation on Thermodynamic Properties of a Water-Based Hematite Nanofluid[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2010,55(7):2524-2528.
APA Wei, Chengzhen,Nan, Zhaodong,Wang, Xiaoming,&Tan, Zhicheng.(2010).Investigation on Thermodynamic Properties of a Water-Based Hematite Nanofluid.JOURNAL OF CHEMICAL AND ENGINEERING DATA,55(7),2524-2528.
MLA Wei, Chengzhen,et al."Investigation on Thermodynamic Properties of a Water-Based Hematite Nanofluid".JOURNAL OF CHEMICAL AND ENGINEERING DATA 55.7(2010):2524-2528.
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