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The lift of a cylinder executing rotary motions in a uniform flow

Tokumaru, P. T. and Dimotakis, P. E. (1993) The lift of a cylinder executing rotary motions in a uniform flow. Journal of Fluid Mechanics, 255 . pp. 1-10. ISSN 0022-1120.

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The mean lift coefficient of a circular cylinder executing rotary motions in a uniform flow is investigated. These motions include steady rotation, and rotary oscillations with a net rotation rate. Results for the steadily rotating cylinder show that for a given rotation rate, larger cylinder aspect ratios yield higher lift coefficients. It was also found that the addition of forced rotary oscillations to the steady rotation of the cylinder increases the lift coefficient in the cases where the wake would normally be separated in the steadily rotating case, but decreases it otherwise. In addition, a method for estimating the mean lift of a rotating cylinder is presented. Estimates based on this method compare favourably with similar data published for steadily rotating cylinders.

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Additional Information:© 1993 Cambridge University Press. Received 30 April 1992 and in revised form 25 February 1993. This research was sponsored by the Air Force Office of Scientific Research, URI AFOSR Grant No. F49620-86-C-0134.
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Air Force Office of Scientific Research (AFOSR)F49620-86-C-0134
Record Number:CaltechAUTHORS:20120308-070414615
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Official Citation:The lift of a cylinder executing rotary motions in a uniform flow P. T. Tokumaru and P. E. Dimotakis Journal of Fluid Mechanics / Volume 255 / pp 1 - 10 1993 Cambridge University Press Published online: 26 April 2006 DOI:10.1017/S0022112093002368
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29636
Deposited By: Ruth Sustaita
Deposited On:12 Mar 2012 21:02
Last Modified:19 Nov 2018 23:08

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