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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2002, Vol. 3 Issue (5): 501-506    DOI: 10.1631/jzus.2002.0501
Mechanics & Civil Engineering     
Research on the orientation distribution of fibers immersed in a pipe flow
LIN Jian-zhong, ZHANG Wei-feng, WANG Ye-long
Department of Mechanics, Zhejiang University, Hangzhou 310027, China
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Abstract  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.

Key words： Fiber suspension      Orientation distribution      Computation      Pipe flow     
Received: 13 July 2001     
CLC:  O359  
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ZHANG Wei-feng
LIN Jian-zhong
WANG Ye-long
Cite this article:

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

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2002.0501     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2002/V3/I5/501

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