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Computational Thermal Sciences: An International Journal

Publicou 6 edições por ano

ISSN Imprimir: 1940-2503

ISSN On-line: 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

NATURAL CONVECTION FROM AVERTICAL GROUND HEAT EXCHANGER EMBEDDED IN A SEMI-INFINITE POROUS MEDIUM

Volume 2, Edição 3, 2010, pp. 231-248
DOI: 10.1615/ComputThermalScien.v2.i3.30
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RESUMO

The heat-transfer process from a vertical ground heat exchanger to the surrounding soil is simulated by natural convection from a vertical cylinder embedded in a semi-infinite porous medium and is investigated numerically. Steady as well as transient behaviors were studied. The governing equations are expressed in the stream function−temperature formulation, and an explicit finite-difference technique was developed to solve the coupled nonlinear equations. Results are presented for a vertical cylinder with uniform heat flux at different Rayleigh numbers and aspect ratios for typical ground heat exchanger conditions. The thermal interaction with the atmosphere represented by Biot number at the ground surface is taken into consideration. The numerical results are used to obtain simple correlations for the average Nusselt number in the transient and steady-state phases, which can be used for simulation as well as sizing of ground heat exchangers.

CITADO POR
  1. Sharqawy Mostafa H., Badr Hassan M., Mokheimer Esmail M., Investigation of buoyancy effects on heat transfer between a vertical borehole heat exchanger and the ground, Geothermics, 48, 2013. Crossref

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