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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

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FLOW AND THERMAL CHARACTERISTICS OF TWO INTERACTING CYLINDERS IN THE YIELD STRESS FLUID

Volumen 12, Edición 2, 2020, pp. 133-162
DOI: 10.1615/ComputThermalScien.2020030693
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SINOPSIS

In this work, steady and laminar flow of a viscoplastic fluid past two circular cylinders in a tandem arrangement has been investigated numerically. The governing differential equations for a Bingham model fluid have been solved over wide ranges of conditions as: Bingham number (0.01 ≤ Bn ≤ 100), Reynolds number (0.01 ≤ Re ≤ 40) and Prandtl number (10 ≤ Pr ≤ 100) in order to delineate the influence of each of these parameters on the momentum and heat transfer characteristics. In addition, the severity of the interactions between the two cylinders was varied by varying the center-to-center distance between the two cylinders in the range 2 ≤ G ≤ 10. Detailed results in terms of the streamlines, isotherm contours, yielded/unyielded regions, shear rate profiles, local Nusselt number, in the vicinity of the cylinder have been discussed here. Further detailed insights are developed in terms of the distribution of velocity along the lines of symmetry. Finally, the overall behaviour is captured in terms of drag coefficient and the average Nusselt number as functions of the pertinent governing parameters namely, Bn, Re, Pr and G. To facilitate the estimation of drag and Nusselt number (in terms of j factor) in a new application, the present numerical results have been consolidated in terms of predictive equations as functions of the pertinent dimensionless parameters. The present results reveal a significant impact of interactions between the cylinders, i.e., gap ratio on the detailed flow and thermal patterns and the overall characteristics.

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CITADO POR
  1. Trivedi Mohit, Nirmalkar Neelkanth, Gupta Anoop K., Chhabra Rajendra P., Effect of Non-Newtonian Fluid Behavior on Forced Convection from a Cluster of Four Circular Cylinders in a Duct, Part I: Power-Law Fluids, Heat Transfer Engineering, 43, 1, 2022. Crossref

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