Authors: Hana Bellerová Ampere A Tseng Michal Pohanka Miroslav Raudensky
Publish Date: 2012/07/07
Volume: 48, Issue: 11, Pages: 1971-1983
Abstract
The transient temperatures of a metal testing plate during spray cooling using alumina/water nanofluids were measured The heat transfer coefficient HTC was calculated by an inverse heatconduction technique using the measured temperatures The results show a decrease of approximately 20 of the HTC of spray cooling with the nanoparticle suspension changing from 0 to 1645 The nature and the reason of the HTC deduction were investigated and the HTC correlations with the mass fluxes and nanoparticle fraction were specifically reportedThe authors would like to acknowledge the financial support from the Brno University of Technology of the Czech Republic for the first author to perform her PhD research in Arizona State University in 2009 The second author is grateful to National Tsinghua University of ROC for providing the Chair Professorship in 2010 to support his stay in Taiwan in performing the analysis presented in this article Special thanks are to Messrs Parag S Pathak and John B Baron of Arizona State University for their assistance in preparing this manuscript
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