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强化传热期刊

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ISSN 打印: 1065-5131

ISSN 在线: 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

Indexed in

EXPERIMENTAL AND NUMERICAL STUDIES OF THE ORIENTATION EFFECT ON THE NATURAL CONVECTION HEAT DISSIPATION OF COMPOSITE POLYMER HEAT SINKS

卷 29, 册 6, 2022, pp. 1-26
DOI: 10.1615/JEnhHeatTransf.2022041768
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摘要

Recent advances in manufacturing technologies and new composite materials for additive manufacturing created new opportunities for the novel heat sink made of heat-dissipating nonmetallic materials. In this study, two commercially available thermal conductive filaments (copper-filled filament and Ice9 Flex filament) from two main groups of metal-filled and carbon-filled thermal conductive composites were characterized and used for 3D printing of heat sinks. The possibility and the performance of using the selected commercial composite polymers for applications in electronics cooling was experimentally and numerically investigated. Due to the possibility of change in the angle of position of electronics, two different orientation angles (rotation about the x and z-axes) for angles of 0°-90° with 10° increment was studied. It was found that the carbon-filled filament heat sink at 90° for rotation about the x-axis had the best heat dissipation performance (about 28% higher than 0°). This case also showed the lowest average base temperature of all cases studied. The rotation about the z-axis was shown to weaken the thermal performance of all heat sinks due to limiting airflow between fins.

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