A Comparative Study of Rugby Ball Aerodynamics

Alam, F, Chowdhury, H, Moria, H and Subic, A 2010, 'A Comparative Study of Rugby Ball Aerodynamics', in A.K.M. Sadrullslam (ed.) Proceedings 3th Asian Congress of Fluid Mechanics (13ACFM), Dhaka, Bangladesh, 17-21 December 2010, pp. 1-4.


Document type: Conference Paper
Collection: Conference Papers

Title A Comparative Study of Rugby Ball Aerodynamics
Author(s) Alam, F
Chowdhury, H
Moria, H
Subic, A
Year 2010
Conference name The 13th Asian Congress of Fluid Mechanics
Conference location Dhaka, Bangladesh
Conference dates 17-21 December 2010
Proceedings title Proceedings 3th Asian Congress of Fluid Mechanics (13ACFM)
Editor(s) A.K.M. Sadrullslam
Publisher Bangladesh Society of Mechanical Engineers (BSME)
Place of publication Dhaka, Bangladesh
Start page 1
End page 4
Total pages 4
Abstract The aerodynamic behaviour of a Rugby ball is complex and significantly differs from spherical sports balls due to their complex ellipsoidal shapes. Although prior aerodynamic studies have been conducted on soccer, tennis, cricket and golf balls, scant information about the Rugby ball is available in the public domain. In order to understand the aerodynamic properties of Rugby ball, experimental and computational studies have been undertaken for a range of speeds and yaw angles. The airflow around Rugby ball was visualized and the average drag coefficients were determined and compared. Minor Reynolds number sensitivity at zero yaw angle was found in the experimental studies. However, significant Reynolds number variations were noted at yaw angles between 75 degrees to 85 degrees. In contrast, no major Reynolds number dependency was found in the CFD results for both balls.
Subjects Mechanical Engineering not elsewhere classified
Keyword(s) Aerodynamics
Rugby ball
wind tunnel
drag coefficient
lift coefficient
Copyright notice © 2010 Bangladesh Society of Mechanical Engineers
ISBN 9789843322142
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