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Turbulent Taylor-Couette vortex flow between large radius ratio concentric cylinders

Batten, W.M.J., Turnock, S.R., Bressloff, N.W. and Abu-Sharkh, S.M. (2004) Turbulent Taylor-Couette vortex flow between large radius ratio concentric cylinders Renewable Energy, 36, (3), pp. 419-421. (doi:10.1007/s00348-003-0739-1).

Record type: Article


Turbulent Taylor vortices between two concentric cylinders have been studied at a very high radius ratio of 0.985, equivalent to that found in relatively small underwater thruster units (typically with gaps of 2 mm). In order to study the flow at this radius ratio, a 1.42-m diameter experimental apparatus (with a rotating inner cylinder and a stationary outer cylinder) was constructed possessing a gap of 10 mm. Consequently, air bubbles could be visualised translating in water. A method was developed for identifying Taylor vortex properties from filtered digital images of the air bubbles and summing intensities to produce bubble density distributions. Whereas individual instantaneous images can be misleading, averaged bubble density distributions make it possible to identify vortex separation sizes and the positions of vortex outflow boundaries.

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Published date: March 2004


Local EPrints ID: 53584
ISSN: 0960-1481
PURE UUID: 2e9bc1c2-eb15-4b0d-8f5e-c31a1b13e6b6
ORCID for S.R. Turnock: ORCID iD

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Date deposited: 22 Jul 2008
Last modified: 17 Jul 2017 14:37

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