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Journal of Enhanced Heat Transfer

Publicou 8 edições por ano

ISSN Imprimir: 1065-5131

ISSN On-line: 1563-5074

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: 2.3 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: 1.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.2 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: 0.00037 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: 0.6 SJR: 0.433 SNIP: 0.593 CiteScore™:: 4.3 H-Index: 35

Indexed in

Study of Forced Convection in a Pipe Partially Filled with a Porous Medium

Volume 17, Edição 3, 2010, pp. 205-221
DOI: 10.1615/JEnhHeatTransf.v17.i3.10
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RESUMO

The objective of the present work was to perform a detailed numerical study of laminar fully developed forced convection in a pipe partially filled with a porous medium. The Brinkman-Forchheimer-extended Darcy model is adopted for the porous matrix region, which is attached to the pipe wall and extends inward, toward the centerline. The effects of the Darcy number, Da, the thickness of a porous layer, S, and the thermal conductivity ratio, Rk, are investigated. The results showed that as the thickness of the porous layer increases or the Darcy number decreases, the pressure drop grows. It was found that the dependence of the Nusselt number Nu on S is not straightforward. For a high Rk, the Nusselt number increases monotonically with increasing S while for a low Rk a minimum exists in the distributions. The obtained results show that increasing either the Darcy number or the thermal conductivity of the porous material improves the convective heat transfer. Further, for highly permeable and conducting porous media, it may not be necessary to fill the pipe cross section completely to attain maximum heat transfer.

CITADO POR
  1. Shokouhmand H., Nikian M., Effect of Mist Flow on Heat Transfer Enhancement in Porous Media, Arabian Journal for Science and Engineering, 39, 6, 2014. Crossref

  2. Nield Donald A., Bejan Adrian, Forced Convection, in Convection in Porous Media, 2017. Crossref

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