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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

The Combined Effects of Angle of Attack and Louver Angle of a Winglet Pair on Heat Transfer Enhancement

Volume 10, Edição 1, 2003, pp. 31-44
DOI: 10.1615/JEnhHeatTransf.v10.i1.40
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RESUMO

A numerical analysis is conducted on the performance of a plate heat exchanger with a rectangular winglet pair to examine the combined effects of vortex generators and louver fins. Parameters considered are the Reynolds number, angle of attack, and louver angle. The Reynolds numbers are 300, 500, 700, 900, and 1100; angles of attacks are 15°, 30°, 45°, and 90°; and louver angles are 0°, 15°, 30°, and 45°. For evaluation of the heat exchanger performance, the ratio of heat transfer enhancement to flow loss penalty is introduced to take pressure loss into consideration. Results show that the best performance is achieved when the angle of attack is 30° and the louver angle is 15°. Variance is also analyzed, revealing that the most significant contribution is the angle of attack, and the next is the Reynolds number. The sole effect of the louver angle is found to be quite minor at a given angle of attack; however, its effect on heat exchanger performance appears substantial when it is combined with the variation of the angle of attack.

CITADO POR
  1. Tao Wenquan, Wu Junmei, Numerical investigation and analysis of heat transfer enhancement in channel by longitudinal vortex based on field synergy principle, Frontiers of Energy and Power Engineering in China, 2, 1, 2008. Crossref

  2. Wu J.M., Tao W.Q., Numerical study on laminar convection heat transfer in a rectangular channel with longitudinal vortex generator. Part A: Verification of field synergy principle, International Journal of Heat and Mass Transfer, 51, 5-6, 2008. Crossref

  3. 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., Heat transfer—A review of 2003 literature, International Journal of Heat and Mass Transfer, 49, 3-4, 2006. Crossref

  4. Chung Jae Dong, Hong Hiki, Yoo Hoseon, Analysis on the impact of mean radiant temperature for the thermal comfort of underfloor air distribution systems, Energy and Buildings, 42, 12, 2010. Crossref

  5. Qiu Yan, Tian Maocheng, Guo Zhixiong, Natural convection and radiation heat transfer of an externally-finned tube vertically placed in a chamber, Heat and Mass Transfer, 49, 3, 2013. Crossref

  6. Caliskan S., Experimental investigation of heat transfer in a channel with new winglet-type vortex generators, International Journal of Heat and Mass Transfer, 78, 2014. Crossref

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