Damping of an oscillating body in a fluid

9th Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, Flow-Induced Vibration & Noise

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Field Value
 
Title Damping of an oscillating body in a fluid
 
Creator Hugh George Goyder; Cranfield University
 
Subject Damping; boundary layers; flow seperation
 
Description Two sets of experiments have been performed which show that the damping of an oscillating body in a fluid is small, for example damping ratios of 0.01 or less. A method for calculating the damping is examined that uses the shear forces in the boundary layer. The shear forces depend on the amplitude of the vibration and change in character as the amplitude is increased. For very large amplitudes separation of the boundary layer is expected and this can lead to larger values of damping. The behaviour of the boundary layer with amplitude is investigated so that the amplitude needed to produce significant damping is identified.
 
Publisher Paper Management System for FIV2018
 
Contributor Cranfield University
 
Date 2018-05-07 15:11:21
 
Type Peer-reviewed Paper
Theoretical; experimental;
 
Format application/pdf
 
Identifier http://www.fiv2018.com/ocs/index.php/fiv2018/fivcan/paper/view/136
 
Source Paper Management System for FIV2018; FIV2018 Conference
 
Language en
 
Rights Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference.<br /> <strong>b)</strong> Authors are able to waive the terms of the CC license and enter into separate, additional contractual arrangements for the non-exclusive distribution and subsequent publication of this work (e.g., publish a revised version in a journal, post it to an institutional repository or publish it in a book), with an acknowledgement of its initial presentation at this conference.<br /> <strong>c)</strong> In addition, authors are encouraged to post and share their work online (e.g., in institutional repositories or on their website) at any point before and after the conference.
 

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