Forced Convective Heat Transfer from Two Elliptic Cylinders: (Tandem Arrangement in Opposite Directions)

Hideya Nishiyama, Terukazu Ota, Tohru Matsuno

研究成果: Article査読

14 被引用数 (Scopus)

抄録

An experimental investigation has been conducted to clarify the heat transfer characteristics of two elliptic cylinders having an axis ratio 1: 2. They were placed in a tandem arrangement and their angles of attack to the upstream uniform flow were in opposite directions to each other. The testing fluid was air and the Reynolds number based on the major axis length c ranged from about 15 000 to 80 000, the angles of attack a being 30°, 45° and 60°, and the non-dimensional cylinder spacing l/c from 1.25 to 4.0, where l denotes the streamwise distance between the cylinder centers. Further, a flow visualization study was made in order to understand the mutual correlations between the heat transfer and the flow features around the two elliptic cylinders. Local and mean heat transfer characteristics of the two elliptic cylinders are clarified and their correlations with the Reynolds number, the angle of attack, the cylinder spacing and the flow behaviors around them are discussed. A comparison of the present experimental results with the existing ones is made to clarify heat transfer features peculiar to the two elliptic cylinders.

本文言語English
ページ(範囲)2677-2681
ページ数5
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
52
479
DOI
出版ステータスPublished - 1986
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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