期刊
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
卷 77, 期 -, 页码 199-205出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2013.11.007
关键词
Nanofluids; Dispersant SDBS; Heat transfer; Jet arrays
资金
- National Science Foundation of China [50436020, 51225602]
- Fundamental Research Funds for the Central Universities [NUST2012Z DJH006]
In this study, nanofluids were introduced into jet arrays impingement as the working fluid. The heat transfer features of the nanofluids were experimentally investigated. Four different Cu-nanoparticle volume fractions ranged from 0.17 Vol.% to 0.64 Vol.% and two dispersant sodium dodecyl benzoic sulfate (SDBS) mass concentrations varied from 0.05 wt% to 0.1 wt% were involved. The influences of the nanoparticle volume fraction and the dispersant SDBS on the heat transfer of nanofluids were discussed. The experimental results show that the suspended nanoparticles increase the heat transfer performances of the jet arrays impingement cooling system. It had also been found that compared with the case of using nanofluids without any addition of dispersant, the nanofluid with dispersant led to a great deterioration on impingement heat transfer coefficient and even the heat transfer coefficients were smaller than that of the base liquid. (C) 2013 Elsevier Masson SAS. All rights reserved.
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