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Noise from a blunt edged flat plate in a reverberant water tunnel


Croaker, P and Venning, J and Karimi, M and Brander, P and Doolan, C and Kessissoglou, N, Noise from a blunt edged flat plate in a reverberant water tunnel, Proceedings of the 23rd International Conference on Acoustics, 01-13 September 2019, Aachen, Germany, pp. 1-7. ISSN 2226-7808 (2019) [Refereed Conference Paper]

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An experimental and numerical investigation of the flow around and noise produced by a blunt edged flat plate in a reverberant water tunnel is presented. The flow is at a Reynolds number based on chord of 6.8×106 and a Mach number of 5.3 × 10−3. Experimental measurements were taken in the Australian Maritime College Cavitation Research Laboratory closed recirculating variable-pressure water tunnel. Hydrophones mounted in the tunnel wall and pressure sensors attached to the plate were used to measure the pressures generated by the turbulent flow over the plate. A large eddy simulation was also conducted, with hydrodynamic pressures on the surface of the plate extracted and combined with Curle’s acoustic analogy to predict the pressure fluctuations on the wall of the water tunnel. The numerical predictions are found to agree well with the experimental measurements.

Item Details

Item Type:Refereed Conference Paper
Keywords:acoustics, flow-induced noise, computational hydroacoustics, experimental measurement
Research Division:Physical Sciences
Research Group:Classical physics
Research Field:Acoustics and acoustical devices; waves
Objective Division:Transport
Objective Group:Environmentally sustainable transport activities
Objective Field:Management of noise and vibration from transport activities
UTAS Author:Venning, J (Dr James Venning)
UTAS Author:Karimi, M (Mr Masoud Karimi)
ID Code:150643
Year Published:2019
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2022-06-23
Last Modified:2022-07-13

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