Convective heat transfer of nano-encapsulated phase change material suspension in a divergent minichannel heatsink

C. J. Ho, Yen Chung Liu, Tien Fu Yang, Mohammad Ghalambaz, Wei Mon Yan

研究成果: Article同行評審

摘要

The convection heat transfer of nano-encapsulated phase change material (NEPCM)-water suspensions in a divergent minichannel heatsink was experimentally investigated. The mini heatsink was made of eight minichannels with a divergent angle of 1.38°. The minichannel was heated at the bottom, and the NEPCM-water was used as the cooling working fluid. The average Nusselt number, the index of performance, and the pressure drop of NEPCM-water compared to the pure water were examined. The experiments show that employing NEPCMs could be advantageous in low Reynolds number flows and low heating powers. The phase change heat transfer of NEPCM particles promoted the heat transfer by 82% compared to pure water. Moreover, using the NEPCM particles was not advantageous at large Reynolds numbers, where the sensible heat was the dominant mechanism of heat transfer.

原文English
文章編號120717
期刊International Journal of Heat and Mass Transfer
165
DOIs
出版狀態Published - 2021 二月

All Science Journal Classification (ASJC) codes

  • 凝聚態物理學
  • 機械工業
  • 流體流動和轉移過程

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