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Skin friction coefficient on a yarn package surface in ring spinning

journal contribution
posted on 2004-01-01, 00:00 authored by Zheng Xue Tang, Xungai Wang, B Fraser
The skin friction coefficient on the surface of a rotating yarn package affects the power required to drive the package. This paper examines the relationship between the skin friction coefficient on the package surface and its diameter and rotating speed, based on the fundamentals of aerodynamics and the experimental results of power consumption. Skin friction coefficients on the surfaces of an airplane, car top, and yarn package are discussed. The results indicate that the skin friction coefficient on the package surface without hairiness depends on the package diameter and spindle speed only. The skin friction coefficient on the yarn package surface is about three times that on the top surface of a car, and is about twenty times that on an airplane surface. The power consumed to overcome skin friction drag is more than that consumed to drive the spindle if the spindle speed is very slow. However, the situation reverses when the spindle speed is fast.

History

Journal

Textile research journal

Volume

74

Issue

10

Pagination

845 - 850

Publisher

Sage

Location

Thousand Oaks, Calif.

ISSN

0040-5175

eISSN

1746-7748

Language

eng

Notes

The final, definitive version of this article has been published in the Journal, Textile research journal, Vol 74, Issue Number 10, 2004, © SAGE Publications Ltd, 2004 by SAGE Publications Ltd at the Textile research journal page: http://trj.sagepub.com/ on SAGE Journals Online: http://online.sagepub.com/

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2004, SAGE Publications

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