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Vortex- and wake-induced vibrations of a tandem arrangement of two flexible circular cylinders with far wake interference

Huera-Huarte, F. J. and Gharib, M. (2011) Vortex- and wake-induced vibrations of a tandem arrangement of two flexible circular cylinders with far wake interference. Journal of Fluids and Structures, 27 (5-6). pp. 824-828. ISSN 0889-9746. https://resolver.caltech.edu/CaltechAUTHORS:20110907-080455945

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Abstract

The dynamic response of two flexible cylinders in tandem arrangement partially immersed in a uniform flow is analysed. The centre-to-centre separations, larger than 4 and up to 8 diameters, were chosen to fall in the regime in which two separate wakes exist behind each one of the models. For the cases presented here, it has been confirmed that the main excitation mechanism is wake-induced vibration (WIV). The rear cylinder shows large amplitudes of response, at reduced velocities over the expected ones at lock-in when a cylinder is undergoing VIV being isolated. This type of response has been also observed by other researchers in experiments with flexibly mounted cylinders in the wake of stationary ones, we also provide data here, for cases with the front cylinder being stationary.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/j.jfluidstructs.2011.02.006DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0889974611000247PublisherUNSPECIFIED
Additional Information:© 2011 Elsevier Ltd. Received 15 October 2010; revised 7 February 2011; accepted 18 February 2011. Available online 22 March 2011. Support from the Marie Curie IOF actions for individuals (PIOF-GA-2008-219429) is acknowledged.
Group:GALCIT
Funders:
Funding AgencyGrant Number
Marie Curie IOF PIOF-GA-2008-219429
Subject Keywords:Vortex-induced vibration (VIV); Wake-induced vibration (WIV); Wake interference; Tandem arrangement; Flexible circular cylinders
Issue or Number:5-6
Record Number:CaltechAUTHORS:20110907-080455945
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110907-080455945
Official Citation:F.J. Huera-Huarte, M. Gharib, Vortex- and wake-induced vibrations of a tandem arrangement of two flexible circular cylinders with far wake interference, Journal of Fluids and Structures, Volume 27, Issues 5-6, IUTAM Symposium on Bluff Body Wakes and Vortex-Induced Vibrations (BBVIV-6), July-August 2011, Pages 824-828, ISSN 0889-9746, DOI: 10.1016/j.jfluidstructs.2011.02.006. (http://www.sciencedirect.com/science/article/pii/S0889974611000247)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:25239
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Sep 2011 16:03
Last Modified:03 Oct 2019 03:04

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