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Journal of Porous Media

Publication de 12  numéros par an

ISSN Imprimer: 1091-028X

ISSN En ligne: 1934-0508

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: 1.7 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: 1 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: 0.00067 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: 0.47 SJR: 0.282 SNIP: 0.632 CiteScore™:: 3 H-Index: 42

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Validity of the Local Thermal Equilibrium Assumption in Natural Convection from a Vertical Plate Embedded in a Porous Medium

Volume 8, Numéro 1, 2005, pp. 85-95
DOI: 10.1615/JPorMedia.v8.i1.80
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O. M. Haddad
Department of Mechanical Engineering, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
A. N. Al-Khateeb
Department of Mechanical Engineering, Jordan University of Science & Technology, P.O. Box 3030, Irbid 22110, Jordan

RÉSUMÉ

The validity of the local thermal equilibrium assumption in natural convection over a vertical flat plate embedded in a porous medium is investigated analytically. The study is based on the two-phase (Schumann) model, using the Darcy model (slip condition) to govern the flow. It is found that there are three dimensionless parameters controlling the local thermal equilibrium assumption: the Biot number (Bi), the modified Rayleigh number (Ram), and the Darcy number (Da). The effects of these parameters are investigated and a correlation equation is developed in order to determine the region where the local thermal equilibrium assumption is valid.

CITÉ PAR

  1. Heyn J., Placzek M., Ozimek A., Baumgaertner A. K., Siebeck M., Volkenandt M., Malignant melanoma of the anal region, Clinical and Experimental Dermatology, 32, 5, 2007. Crossref

  2. Rees D. A. S., Nield D. A., Kuznetsov A. V., Vertical Free Convective Boundary-Layer Flow in a Bidisperse Porous Medium, Journal of Heat Transfer, 130, 9, 2008. Crossref

  3. Umavathi J. C., Free convection of composite porous medium in a vertical channel, Heat Transfer-Asian Research, 40, 4, 2011. Crossref

  4. Boutin Yanik, Gosselin Louis, Optimal mixed convection for maximal energy recovery with vertical porous channel (solar wall), Renewable Energy, 34, 12, 2009. Crossref

  5. Villemure Charles, Gosselin Louis, Gendron Guy, Minimizing hot spot temperature of porous stackings in natural convection, International Journal of Heat and Mass Transfer, 51, 15-16, 2008. Crossref

  6. Goldstein R.J., Ibele W.E., Patankar S.V., Simon T.W., Kuehn T.H., Strykowski P.J., Tamma K.K., Heberlein J.V.R., Davidson J.H., Bischof J., Kulacki F.A., Kortshagen U., Garrick S., Srinivasan V., Ghosh K., Mittal R., Heat transfer—A review of 2005 literature, International Journal of Heat and Mass Transfer, 53, 21-22, 2010. Crossref

  7. Nield D.A., Kuznetsov A.V., Natural convection about a vertical plate embedded in a bidisperse porous medium, International Journal of Heat and Mass Transfer, 51, 7-8, 2008. Crossref

  8. Nield Donald A., Bejan Adrian, External Natural Convection, in Convection in Porous Media, 2017. Crossref

  9. Nield Donald A., Bejan Adrian, Internal Natural Convection: Heating from the Side, in Convection in Porous Media, 2017. Crossref

  10. Nield Donald A., Bejan Adrian, Internal Natural Convection: Heating from the Side, in Convection in Porous Media, 2013. Crossref

  11. Nield Donald A., Bejan Adrian, External Natural Convection, in Convection in Porous Media, 2013. Crossref

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