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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

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EFFECTS OF OUT OF PHASE AND INCLINATION ANGLES ON NATURAL CONVECTION HEAT TRANSFER FLOW OF AIR INSIDE A SINUSOIDAL CORRUGATED ENCLOSURE WITH SPATIALLY VARIABLE WALL TEMPERATURE

Volume 18, Edição 5, 2011, pp. 403-417
DOI: 10.1615/JEnhHeatTransf.2011001714
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RESUMO

In this paper, the effects of the variation of the out of phase and the inclination angles on natural convection heat transfer of air in a sinusoidal corrugated enclosure are investigated numerically. The present study is based on a configuration where the two vertical sinusoidal walls and the horizontal bottom wall are maintained at constant low temperature, whereas the flat upper wall temperature distribution of the enclosure is assumed to vary with a sinusoidal function. The governing equations of continuity, momentum, and energy are solved computationally using finite-volume techniques. The solution procedure is based on the SIMPLE algorithm and a nonorthogonal, nonuniform collocated grid system. The effects of various orientations on the heat transport process inside the sinusoidal corrugated enclosure are studied in detail. The computational results are presented in terms of isothermal lines and streamlines for different governing parameters. The values of the governing parameters are the inclination angle of the enclosure γ (0°−90° ), out of phase angle Ø (0°−180°), Rayleigh number (103−106), and Prandtl number (0.71). The main results of this investigation illustrate that the effect of γ on the streamlines and the isothermal lines is very important for all values of Ra and Nu. The centers of vortices will move upward into the upper surface with increasing Ra. The local Nusselt number along the cold left wavy sidewall is increased with increasing Rayleigh numbers at γ = 0°. For γ > 0° ,the average Nusselt number is decreased with increasing Ra along the left wavy sidewall, while the average Nusselt number is increased with increase of Ra along the right wavy sidewall. At γ = 0°, two vortices appear that control the flow inside the enclosure for all values of Ra, Nu, and the out of phase angle, while at γ = 90°, one vortex appears that controls the flow inside the enclosure for all values of Ra, Nu, and the out of phase angle.

CITADO POR
  1. Hussain Salam Hadi, Hussein Ahmed Kadhim, Mohammed Rehab Noor, Studying the effects of a longitudinal magnetic field and discrete isoflux heat source size on natural convection inside a tilted sinusoidal corrugated enclosure, Computers & Mathematics with Applications, 64, 4, 2012. Crossref

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