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Artificial thickening of cavitation tunnel boundary layers


Brandner, PA and Belle, A and Pearce, BW and Holmes, MJ, Artificial thickening of cavitation tunnel boundary layers, Proceedings of the 18th Australasian Fluid Mechanics Conference, 3-7 December, Launceston, Tasmania, Australia, pp. 1-4. ISBN 9780646583730 (2012) [Refereed Conference Paper]

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Copyright 2012 Leishman Associates

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Preliminary measurements of natural and thickened boundary layer mean velocity profiles on the ceiling of a cavitation tunnel test section are presented. The method of thickening tested is via an array of transverse injected jets. The array consisted of 252 equal diameter jets on a triangular grid on 8 spanwise rows. Several Reynolds numbers, jet flow rates and streamwise locations downstream of the thickening location were tested. Natural and thickened mean velocity profiles are compared with the laws of the wall and wake. At the most downstream location tested natural boundary layers with momentum thickness Reynolds numbers of 33000 could be thickened to over 73000 with minor but apparent remnant distortions from the artificial thickening.

Item Details

Item Type:Refereed Conference Paper
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Maritime engineering not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in engineering
UTAS Author:Brandner, PA (Professor Paul Brandner)
UTAS Author:Belle, A (Mr Alan Belle)
UTAS Author:Pearce, BW (Dr Bryce Pearce)
UTAS Author:Holmes, MJ (Mr Michael Holmes)
ID Code:82626
Year Published:2012
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2013-02-08
Last Modified:2014-08-12
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