Steady entrance flow in a strongly curved tube

Kazuo Tanishita, Jyunichi Suzuki, Naobumi Ohishi, Takeshi Naruse

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Laser Doppler velocity measurements were performed on the entry flow of a strongly curved tube with the parabolic entry profile, in which a maximum curvature ratio, defined as the ratio of tube radius to the radius of curvature a/R, achieved is 1/2 . Both axial and secondary velocities were measured, describing the fairly complete flow field. Intensified curvature effects cause the secondary flow, and the maximum secondary flow velocity went up to 90% of the cross-sectional averaged axial velocity in the curved tube with a/R = 1.2. Due to this enhanced secondary flow, separation of secondary flow is found near the inner wall.

本文言語English
ページ(範囲)898-904
ページ数7
ジャーナルNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
57
535
出版ステータスPublished - 1991 3

ASJC Scopus subject areas

  • Mechanical Engineering

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