Effect to spacing ratio on flow over repeated two-dimensional square ribs on ground plane

Shiki Okamoto, Kazumi Tsunoda, Tomohide Katsumata, Daichi Suzuki, Nobuaki Abe

研究成果: Article

1 引用 (Scopus)

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This paper describes a detailed study of the flow structure over repeated two-dimensional square ribs on a ground plane for various values of S/D, and the optimum value of S/D to augment the turbulence intensity near the ground plane. The pitch between the centers of two adjoining square ribs was varied at S/D=2, 3, 5, 7, 9, 11, 13 and 17. The time-mean velocity and turbulence intensity were measured by Laser Doppler Velocimeter. The static pressure was measured by Pitot static tubes. As a result, it is concluded that the pitch ratio S/D=9 is optimum to augment the turbulence intensity in the groove between two adjoining square ribs, when the two-dimensional square ribs are aligned on the wall as a heat transfer promoter.

元の言語English
ページ(範囲)2499-2505
ページ数7
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
61
発行部数587
DOI
出版物ステータスPublished - 1995 1 1

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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