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Journal of Enhanced Heat Transfer

Publication de 8  numéros par an

ISSN Imprimer: 1065-5131

ISSN En ligne: 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

Enhanced Nucleate Boiling Heat Transfer in a Narrow Confined Space between a Heating Surface and a Slitted Plate

Volume 2, Numéro 1-2, 1995, pp. 105-114
DOI: 10.1615/JEnhHeatTransf.v2.i1-2.120
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RÉSUMÉ

Systematic experiments were conducted of nucleate pool boiling of water and Rl 13 for a confined space created by a narrow gap between a rectangular vertical heating surface set parallel to an opposed unheated glass plate. Three parameters are assumed significant to confined space boiling heat transfer: gap size between the heating surface and the unheated glass plate; number of slits equally dividing the unheated plate; and the peripheral condition of the space, whether it is partly closed or open.
The present findings are summarized as follows: (1) The heat transfer coefficient is a complicated function of gap size, number of slits, heat flux, and the lateral closure conditions of the boiling space. (2) Boiling behavior and heat transfer coefficient are similar to that of unconfined nucleate boiling for gap sizes larger than 2 mm. (3) For a gap size less than 2 mm, compared to unconfined boiling, heat transfer is enhanced for a wide range of heat flux and deterioration begins at higher heat fluxes. (4) Critical heat flux decreases consistently with decreasing gap size. (5) Slits on the unheated plate are effective in extending enhanced heat transfer up to higher heat fluxes and consequently in increasing critical heat flux. (6) Optimization of the gap size and the number of slits gives for water, a six-fold; and for R113, a three-fold increase in maximum enhancement of heat transfer over that of unconfined boiling.

CITÉ PAR
  1. Bergles Arthur E, Enhancement of pool boiling, International Journal of Refrigeration, 20, 8, 1997. Crossref

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