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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

http://doi.org/10.1631/jzus.2002.0501


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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author="LIN Jian-zhong, ZHANG Wei-feng, WANG Ye-long",
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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.

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Reference

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[7] Loewenberg, M., 1993. Stokes resistance, added mass, and Basset force for arbitrarily oriented, finite-length cylinders. Phys. Fluids, A5(3):725-734.

[8] Pozrikidis, C., 1988. A study of linearized oscillatory flow past particles by the boundary-integral method. J. Fluid Mech., 202:17-28.

[9] Pozrikidis, C., 1989. A singularity method for unsteady linearized flow. Phys. Fluids, A1(9):1508-1513.

[10] Spurny, K.S., Gentry, J.W., Stober, W., 1978. Fundamentals of Aerosol Science(Ed. by Shaw, D.T.), Chap. 5. John Wiley, New York.

[11] Zak, G., Park, C. B., Benhabib, B., 2001. Estimation of three-dimensional fiber-orientation distribution in short-fiber composites by a two-section method. Journal of composite materials, 35(4):316-330

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