Aeolian tones generated by a square cylinder with a splitter plate

Ali, Mohamed Sukri Mat, Doolan, Con J. and Wheatley, Vincent (2010). Aeolian tones generated by a square cylinder with a splitter plate. In: Marion Burgess, John Davey, Charles Don and Terry McMinn, Proceedings of 20th International Congress on Acoustics, ICA 2010. 20th International Congress on Acoustics, Sydney, NSW, Australia, (1-8). 23-27 August 2010.

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Author Ali, Mohamed Sukri Mat
Doolan, Con J.
Wheatley, Vincent
Title of paper Aeolian tones generated by a square cylinder with a splitter plate
Conference name 20th International Congress on Acoustics
Conference location Sydney, NSW, Australia
Conference dates 23-27 August 2010
Proceedings title Proceedings of 20th International Congress on Acoustics, ICA 2010
Place of Publication NSW, Australia
Publisher Australian Acoustical Society
Publication Year 2010
Sub-type Fully published paper
ISBN 9780646540528
Editor Marion Burgess
John Davey
Charles Don
Terry McMinn
Start page 1
End page 8
Total pages 8
Collection year 2011
Language eng
Abstract/Summary The generation of aeolian tones by the interaction of a low Reynolds number, low Mach number flow with a rigid square cylinder attached to a rigid thin flat plate is numerically investigated. When the length of the plate is varied from L = 0:5D to 6D, where D is the side length of the square cylinder, the results can be grouped into three distinct regimes. For the first regime (L . D), the aoelian tone levels decrease with increasing plate length. For the second regime (2D . L . 4D), the aeolian tone levels are always higher than the single square cylinder case and they increase with increasing plate length. For the third regime (5D . L . 6D), the levels of the aeolian tones decrease as the length of the plate increases but the levels are higher than the other regimes. These acoustic results can be explained in terms of the fluid mechanics occuring in the near wake of the cylinder.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Presented during session: Aeroacoustics and atmospheric sound 2

 
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Created: Tue, 15 Feb 2011, 15:27:01 EST by Dr Vincent Wheatley on behalf of School of Mechanical and Mining Engineering