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Type: Conference paper
Title: Accuracy of circulation estimation schemes applied to discretised velocity field data
Author: Hassan, E.
Lau, T.
Kelso, R.
Citation: 16 AFMC: proceedings of the sixteenth Australasian Fluid Mechanics Conference, 3-7 December, 2007, Gold Coast, Australia / Peter Jacobs ... [et al.] (eds.): www1-www4
Publisher: University of Queensland
Publisher Place: CDROM
Issue Date: 2007
ISBN: 9781864998948
Conference Name: Australasian Fluid Mechanics Conference (16th : 2007 : Gold Coast, Australia)
Statement of
E. R. Hassan, T. C. W. Lau and R. M. Kelso
Abstract: Numerical experiments are conducted on the velocity field on the Oseen vortex to determine the effect of random errors in the velocity field on the circulation estimate. The circulation is estimated by either a velocity integral or a vorticity integral over a particular region of integration. A novel method for the determination of this region is used. The accuracy of circulation estimation schemes is characterised in terms of the velocity sample spacing, the amount of random noise in the velocity field and the vorticity estimation scheme used. It is found that, in general, the velocity integral outperforms the vorticity integral in terms of reducing total error
Rights: Copyright status unknown
RMID: 0020076240
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Appears in Collections:Mechanical Engineering conference papers

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