An experimental investigation on the aerodynamic drag coefficient and surface roughness properties of sport textiles

Chowdhury, H and Alam, F 2014, 'An experimental investigation on the aerodynamic drag coefficient and surface roughness properties of sport textiles', Journal of The Textile Institute, vol. 105, no. 4, pp. 414-422.


Document type: Journal Article
Collection: Journal Articles

Title An experimental investigation on the aerodynamic drag coefficient and surface roughness properties of sport textiles
Author(s) Chowdhury, H
Alam, F
Year 2014
Journal name Journal of The Textile Institute
Volume number 105
Issue number 4
Start page 414
End page 422
Total pages 9
Publisher Taylor & Francis
Abstract The main objective of this study is to determine the effect of surface roughness of textiles used in higher speed sports on aerodynamic properties such as drag. Data acquired using cylindrical methodology is used to quantify the relationship between the aerodynamic drag coefficient and Reynolds numbers (Re) ranging from 1.0105 to 2.4105 for different sports textiles with relative roughness (ɛ) between 2.58104 and 7.38104 . The findings indicate that a textile with high roughness value (ɛ= 5.42104 ) produces minimum drag coefficient at low Re than textiles with low roughness value (ɛ= 4.73104 ). Correlations among the minimum drag coefficient, critical Reynolds numbers and relative roughness of textile surfaces are also established.
Subject Mechanical Engineering not elsewhere classified
Aerodynamics (excl. Hypersonic Aerodynamics)
Keyword(s) aerodynamic properties
sports
textile
wind tunnel
drag coefficient
Reynolds number
surface roughness
correlation
DOI - identifier 10.1080/00405000.2013.818757
Copyright notice © 2013 The Textile Institute
ISSN 0040-5000
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Citation counts: TR Web of Science Citation Count  Cited 2 times in Thomson Reuters Web of Science Article | Citations
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