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Computational Thermal Sciences: An International Journal

Publicado 6 números por año

ISSN Imprimir: 1940-2503

ISSN En Línea: 1940-2554

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: 1.5 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 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: 0.3 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: 0.00017 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: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

Indexed in

TRANSIENT ANALYSIS OF MIXED CONVECTION IN A BOTTOM-HEATED SQUARE CAVITY IN THE PRESENCE OF SURFACE RADIATION

Volumen 5, Edición 5, 2013, pp. 401-423
DOI: 10.1615/ComputThermalScien.2013007029
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SINOPSIS

The present analysis reports interesting results regarding the effect of surface radiation on the transient behavior of mixed convection in a bottom-heated cavity having gray and diffuse walls. Movement of the walls causes shear-induced flow within the cavity, which either augments or attenuates the buoyancy-induced flow and results mixed convection. The effect of various influencing parameters such as the Rayleigh number (Ra), Richardson number (Ri), wall movement direction, and emissivity of the walls (ε) on the flow and heat transfer characteristics has been analyzed. Weak conservative form of governing equations are solved using the modified Marker and Cell method. A gradient-dependent consistent hybrid upwind scheme of the second order is used for discretization of the convective terms in the flow equation. An operator splitting algorithm is used to solve the energy equation. The surface radiation transport equation has been solved using the net radiation method. It is noticed from the present analysis that the dominance of shear-induced flow is more compared to buoyancy-induced flow in the case of horizontal wall movement. The time required to attain steady state is more for vertical wall movement in mixed convection regimes. The oscillating behavior of the average heat transfer with time; increases with the increase in the Rayleigh number and emissivity. Unicellular and multi-cellular flow structures are observed depending on the type of wall movement and other controlling parameters.

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