期刊
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
卷 89, 期 -, 页码 305-313出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2014.11.016
关键词
Manifold microchannel heat sink; Nanofluids; Entropy generation
资金
- U.S. National Science Foundation [CBET-1066917]
Hydraulic and thermal performances of a manifold microchannel heat sink (MMHS) with and without nanofluids as working fluids have been investigated by a finite volume method. Effects of volume fraction, particle diameter of nanoparticles, and Reynolds number on the Nusselt number, pumping power, performance index, and entropy generation in a 3D unit cell were evaluated. The results showed that with increasing volume fraction of nanoparticles, Nusselt number and pumping power increase, but total entropy generation decreases. Increasing particle diameter leads to decreasing Nusselt number, pumping power, and performance index, but increasing the total entropy generation. Finally increasing the Reynolds number leads to increasing the Nusselt number and pumping power, but decreasing performance index and total entropy generation. (C) 2014 Elsevier Masson SAS. All rights reserved.
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