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CLC number: O359

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Received: 2001-07-13

Revision Accepted: 2001-10-30

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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.5 P.501-506


Research on the orientation distribution of fibers immersed in a pipe flow

Author(s):  LIN Jian-zhong, ZHANG Wei-feng, WANG Ye-long

Affiliation(s):  Department of Mechanics, Zhejiang University, Hangzhou 310027, China

Corresponding email(s): 

Key Words:  Fiber suspension, Orientation distribution, Computation, Pipe flow

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LIN Jian-zhong, ZHANG Wei-feng, WANG Ye-long. Research on the orientation distribution of fibers immersed in a pipe flow[J]. Journal of Zhejiang University Science A, 2002, 3(5): 501-506.

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The computed orientation distribution of fibers immersed in laminar pipe flows showed that the longitudinal distributions are wide for small Reynolds numbers and become narrower with increasing Re. For low Re number, the axial orientation distributions are broad with almost no preferred orientations. For high Re number, the axial distribution becomes narrow, with sharp maxima. The mean values of the longitudinal orientation depend strongly on the Re number. The computed results are in qualitative agreement with relevant experimental results.

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