Microbubble emission boiling in a rectangular channel flow

Manabu Tange, Makoto Watanabe, Shu Takagi, Fumio Takemura, Masahiro Shoji

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

Highly subcooled flow boiling at high heat flux in a rectangular minichannel of 2 mm × 2 mm in dimension was experimentally investigated. The channel was heated only from the bottom wall of the channel and it is regarded as a model of cooling components on electric devices in mobile gears. Under the condition of high subcooling and high heat flux in the stagnant pool and conventional scale channel flow, many fine vapor bubbles are emitted from primary vapor bubbles on heated surfaces. This boiling regime is called microbubble emission boiling (MEB). If we realize MEB in a minichannel, high heat flux due to vaporization will be obtained and large pressure loss due to confinement of bubble will be avoided. This paper first reports the results of our early experimental investigations on MEB in a pool boiling system to introduce the appearance of MEB. In flow boiling experiment, we reborts heat transfer characteristics and photographic observation.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Conference on Microchannels and Minichannels, 2005
PublisherAmerican Society of Mechanical Engineers
Pages139-143
Number of pages5
ISBN (Print)0791841855, 9780791841853
DOIs
Publication statusPublished - 2005
Event3rd International Conference on Microchannels and Minichannels, ICMM2005 - Toronto, ON, Canada
Duration: 2005 Jun 132005 Jun 15

Publication series

NameProceedings of the 3rd International Conference on Microchannels and Minichannels, 2005
VolumePART B

Conference

Conference3rd International Conference on Microchannels and Minichannels, ICMM2005
CountryCanada
CityToronto, ON
Period05/6/1305/6/15

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Tange, M., Watanabe, M., Takagi, S., Takemura, F., & Shoji, M. (2005). Microbubble emission boiling in a rectangular channel flow. In Proceedings of the 3rd International Conference on Microchannels and Minichannels, 2005 (pp. 139-143). [ICMM2005-75231] (Proceedings of the 3rd International Conference on Microchannels and Minichannels, 2005; Vol. PART B). American Society of Mechanical Engineers. https://doi.org/10.1115/icmm2005-75231