Experimental and computational study of turbulent heat transfer characteristics in serrated channel flow

S. Obi, K. P. Kobayashi, A. M. Bethancourt, H. Yoshida, T. Asano, R. Echigo

研究成果: Article査読

2 被引用数 (Scopus)

抄録

A two-dimensional (2-D) channel with a serrated wall is proposed as a device for heat transfer augmentation. Measurements of the flow velocity in the whole field as well as of the heat transfer coefficient along the wall are undertaken for two different channel heights. The same flow fields are calculated using a second-moment closure and the standard k-e model. The flow field containing successive separation and reattachment partly resembles the conventional backward-facing step flow, although the extremely high turbulence level found in the present configuration indicates a promising performance of the serrated channel as a heat transfer promoter.

本文言語English
ページ(範囲)398-404
ページ数7
ジャーナルInternational Journal of Heat and Fluid Flow
16
5
DOI
出版ステータスPublished - 1995 10

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学
  • 流体および伝熱

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