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Development of a Fast Response Pressure Probe for Use in a Cavitation Tunnel


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Brandner, PA, Clarke, DB and Walker, GJ 2004 , 'Development of a Fast Response Pressure Probe for Use in a Cavitation Tunnel', paper presented at the 15th Australasian Fluid Mechanics Conference, 13-17 December 2004, The University of Sydney, Sydney, Australia.

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The performance of a prototype fast response probe designed for use in a cavitation tunnel is investigated. The probe consists of a total head tube with an embedded miniature pressure sensor. Miniaturisation allows installation of the pressure transducer close to the head of the head of the instrument and improves frequency response through reducing inertia of fluid in the connecting tube. Measurements made with the fast response probe are compared with those of a Pitot tube connected to a slow response transducer and a hot film probe in a thickened turbulent boundary layer on the tunnel ceiling. Measurements of both streamwise velocity and turbulence made with the probe were found to compare well with those of a Pitot tube and a hot film probe. A useful frequency response up to 2.5kHz in water was demonstrated without any frequency compensation for pressure tube response.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:Brandner, PA and Clarke, DB and Walker, GJ
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