Dynamics of Flexible Cylinders in Axisymmetrically Confined Axial Flow

[+] Author and Article Information
M. P. Païdoussis

Department of Mechanical Engineering, McGill University, Montréal, Québec, Canada

M. J. Pettigrew

Engineering Research Branch, Chalk River Nuclear Laboratories, Atomic Energy of Canada Ltd., Chalk River, Ontario, Canada

J. Appl. Mech 46(1), 37-44 (Mar 01, 1979) (8 pages) doi:10.1115/1.3424525 History: Received March 01, 1978; Revised June 01, 1978; Online July 12, 2010


This paper describes experiments in which flexible cylinders placed centrally within a narrow cylindrical flow channel were subjected to axial flow. The dynamical behavior of such cylinders, either cantilevered or supported at both ends, is described, both in liquid and in simulated two-phase flows; the effect of several parameters, such as the annular confinement, was investigated. It was observed that, with increasing flow, the cylinder is subject sequentially to instabilities of increasing mode number, confinement severely destabilizing the system. The experimental observations are compared to a theoretical model for the dynamics of such systems. In the case of liquid flow, agreement is qualitatively good and quantitatively fair—keeping in mind the experimental difficulties. In the case of two-phase flows, theory and experiment do not agree.

Copyright © 1979 by ASME
Your Session has timed out. Please sign back in to continue.





Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In