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Taylor columns in deep water: testing the limits of the Taylor-Proudman theorem
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Vlaskamp, Jozef H. A., Thomas, P. J. (Peter J.), Hollerbach, R. and Kerr, Robert M. (Robert McDougall) (2011) Taylor columns in deep water: testing the limits of the Taylor-Proudman theorem. In: 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland, Nov 20-22, 2011. Published in: Bulletin of the American Physical Society, Vol.56 (No.18). pp. 140-141. ISSN 0003-0503.
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Official URL: http://absimage.aps.org/image/DFD11/MWS_DFD11-2011...
Abstract
The formation of Taylor-Columns is one of the familiar phenomena observed in flows where strong background rotation is present. The current investigation considers the Taylor-Column generated by a differentially rotating disk in a rotating fluid, a geometry similar to the classic Stewartson-layer problem. Experimental work was performed on the large turntable at the University of Warwick (overall height 5.7m and 1.4m diameter). It offers a water depth of 2m below the disk, allowing for a much longer Taylor-Column to be observed than in previous experimental studies. An automated, traversing Stereo-PIV system was developed to visualize the flow, allowing data-acquisition at different heights in the tank. The experimental results show a z-dependence of the angular velocity in the interior of the Taylor-Column for positive differential rotation, but not for negative differential rotation. These results contradict both the Taylor-Proudman theorem and numerical predictions.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TC Hydraulic engineering. Ocean engineering T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Bulletin of the American Physical Society | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0003-0503 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.56 | ||||
Number: | No.18 | ||||
Page Range: | pp. 140-141 | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Version or Related Resource: | This item was also presented at the 53rd British Applied Mathematics Colloquium, University of Birmingham, Birmingham, UK, 11-13 April, 2011. | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 64th Annual Meeting of the APS Division of Fluid Dynamics | ||||
Type of Event: | Other | ||||
Location of Event: | Baltimore, Maryland | ||||
Date(s) of Event: | Nov 20-22, 2011 |
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