High-Heat-Flux Heat Removal Using A Porous-Micro-Channel

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Bibliographic Information

Other Title
  • ポーラスマイクロチャンネルを用いた高熱流束除熱
Published
2016
DOI
  • 10.1299/jsmepes.2016.21.a223
  • 10.1007/978-981-10-2314-9_71
Publisher
The Japan Society of Mechanical Engineers

Description

<p>Experiments were carried out to investigate the characteristics of high-heat-flux heat removal using a porous-micro-channel (a small rectangular channel filled with a porous-metal plate). The working fluid was water and the main experimental parameters were the inlet liquid subcooling, mass flux, and channel size. It was shown that nucleate boiling heat transfer is enhanced in the porous-micro-channel in comparison with the normal rectangular channel. Another important finding was that as in the normal channel, the micro-bubble emission boiling (MEB) occurs in the porous-micro-channel if the mass flux and liquid subcooling are high enough. In addition, the flow oscillation and noise production that often accompany with the MEB in the normal channel were mitigated significantly in the porous-micro-channel. This indicates that the porous-micro-channel enables the stable and high-heat-flux heat removal by the MEB.</p>

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