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International Journal of Fluid Mechanics Research

年間 6 号発行

ISSN 印刷: 2152-5102

ISSN オンライン: 2152-5110

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.1 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.0002 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Enhancement of Convective Heat Transfer with Phase-Change Particles

巻 25, 発行 4-6, 1998, pp. 822-832
DOI: 10.1615/InterJFluidMechRes.v25.i4-6.340
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要約

A new method using a phase-change-material slurry to enhance convective heat transfer was studied in this research. Hexadecane was used as a phase-change material and was mixed with water, the carder fluid. An emulsifier was used to generate fine and homogeneous hexadecane particles in water. The hexadecane-water slurry was circulated through a heating test section, where pressure drops and heat transfer coefficients were measured. The heating test section was made of 6.532 m long, 10.14 mm ID stainless steel tubing and heated by a high current DC power supply, resulting in a uniform heat flux boundary condition.
The solid particles used in the present study were small enough to prevent clogging. The local pressure drop was found to decrease when the solid particles melted, a phenomenon which was used to find out the location of the slurry melting. The behavior of local heat transfer coefficient curve was quite distinctive in three region along the heating test section. In the first region, the heat transfer coefficient increased along the test section because the number of the melted particles on the wall increased. In the second region, it decreased because the number of solid particles abruptly decreased. In the third region, it increased because of the temperature-dependent viscosity effect. The maximum local heat transfer coefficient was about twice as high as that without phase-change materials.

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