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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

2D PARTICLE MECHANICS SIMULATIONS ON EVOLUTION AND INTERACTIONS OF HEAT CHAINS AND FORCE NETWORKS UNDER STEADY-STATE CONDITIONS

Volume 7, Edição 5-6, 2015, pp. 515-526
DOI: 10.1615/ComputThermalScien.2016015767
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RESUMO

Unlike continuum media, granular materials host an inhomogeneous distribution of contact networks, which results in an uneven distribution of loads inside the dense particulate assemblies. These structural arrangements play a critical role in determining the preferred paths of heat transport, due to the fact that thermal contact conductance is a function of the contact interfaces formed between particles. In spite of recent experimental and theoretical studies on the evolution of force chains, the formation of heat chains and the correlation between them still remain unclear. In this regard, a two-dimensional discrete model based on a particle mechanics approach is developed to unveil the characteristics of these microstructural arrangements, and the interactions between them under steady-state and equilibrium conditions. Thermally-assisted compaction of powders is a widely used manufacturing technique. Therefore, in this work, we model a two-dimensional configuration of randomly distributed spherical particles confined in a rigid die under mechanical and thermal loads. For this particular configuration, we study fundamental concepts such as formation of force and heat chains, evolution of force and heat distributions with respect to compaction parameters, and cross-property relation between normal force and heat transferred at the contact surfaces.

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