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Effect of the sign of ro on the stability of Stewartson layers generated by a rotating disc
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Vlaskamp, Jozef H. A., Thomas, P. J. (Peter J.) and Hollerbach, R. (2009) Effect of the sign of ro on the stability of Stewartson layers generated by a rotating disc. In: 62nd Annual Meeting of the APS Division of Fluid Dynamics , Minneapolis, MN, U.S.A., Nov 22-24, 2009. Published in: Bulletin of the American Physical Society, Vol.54 (No.19). p. 290.
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Official URL: http://absimage.aps.org/image/DFD09/MWS_DFD09-2009...
Abstract
The effect of the sign of rotation on the stability of the Stewartson layer formed by a rotating disc in a rotating fluid is investigated experimentally and numerically. A discrepancy exists between two earlier studies. Ref. [1] found the sign of Ro to have no influence, while Ref. [2] found a strong asymmetric behaviour. Numerical investigations in Ref. [3] suggested a difference in the boundaries along the disc as a possible cause of the discrepancy between the studies. In the current study experimental work is performed on the large scale facility at the University of Warwick (overall height 5.7m and 1.4 m diameter), with a single disc inside a movable end-wall. The size of the facility allows a much larger height to radius ratio than in previous experiments. A fully automated, traverse mounted 3D PIV system is used to allow data- acquisition over the length of the Taylor column without the need for recalibration. Further numerical work is conducted using the code described in Ref. [3]. REFERENCES: [1] W. G. Fr\"uh,. P.L. Read, J. Fluid Mech., vol. 383, p. 143, 1999. [2] R. Hide, R., C.W. Titman J. Fluid Mech., vol. 29, p. 39, 1967. [3] R. Hollerbach, J. Fluid Mech., vol. 492, p. 289, 2003.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Science > Engineering |
| Journal or Publication Title: | Bulletin of the American Physical Society |
| Publisher: | American Physical Society |
| ISSN: | 0003-0503 |
| Date: | November 2009 |
| Volume: | Vol.54 |
| Number: | No.19 |
| Page Range: | p. 290 |
| Status: | Not Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Open Access |
| Conference Paper Type: | Paper |
| Title of Event: | 62nd Annual Meeting of the APS Division of Fluid Dynamics |
| Type of Event: | Other |
| Location of Event: | Minneapolis, MN, U.S.A. |
| Date(s) of Event: | Nov 22-24, 2009 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/46753 |
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