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Investigation on Thermodynamic Properties of a Water-Based Hematite Nanofluid
Wei, Chengzhen1; Nan, Zhaodong1; Wang, Xiaoming1; Tan, Zhicheng2
刊名JOURNAL OF CHEMICAL AND ENGINEERING DATA
2010-07-01
DOI10.1021/je900883j
55期:7页:2524-2528
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]THERMAL-CONDUCTIVITY ; HEAT-CAPACITIES ; NANOPARTICLES ; ENHANCEMENT ; SUSPENSIONS ; MODEL
英文摘要A 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.
语种英语
WOS记录号WOS:000279508100027
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141760
专题中国科学院大连化学物理研究所
作者单位1.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
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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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