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Heat Transfer and Wake Interaction Dynamics for Low Mass-Damping Cylinder Undergoing Flow-Induced Vibration at High Reynolds Number

[+] Author Affiliations
Amr Elbanhawy

University of Manchester, Manchester, UK; Ain Shams University, Cairo, Egypt

Ali Turan

University of Manchester, Manchester, UK

Paper No. FEDSM-ICNMM2010-30922, pp. 193-202; 10 pages
  • ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels
  • ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B
  • Montreal, Quebec, Canada, August 1–5, 2010
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5451-8 | eISBN: 978-0-7918-3880-8
  • Copyright © 2010 by ASME


The current open literature carries numerous publications about the dynamics of single structures freely oscillating in response to flow-induced forces of a cross-stream. Influence of controlled oscillations on heat transfer for relatively low Reynolds number cross-flow has been looked at previously, nonetheless, high Reynolds number measurements are difficult to obtain. Studies on the flow field in the vicinity of bodies with Flow-Induced Vibration (FIV) and its interaction with surface heat flux are what the current literature needs to enhance realization of such phenomenon and advance equipment design. The present study aims firstly at investigating the influence of cylinder’s heat flux on (FIV) response and vice versa. Secondly, it explores the influence of high Reynolds number (140,000 ) both on the cylinder’s response and on heat transfer. An unsteady numerical framework is employed for the simulations, incorporating an Arbitrary Lagrangian Eulerian method for the associated grid deformation to simulate the coupled motion of the low mass-damping circular cylinder with a single degree of freedom in the initial regime. Attention is paid towards resolving the large scales of the fluid motion and the inherent coupling of the cylinder’s motion towards the associated evolution of the time averaged flow field. The cylinder is assumed to have a constant heat flux while Large Eddy Simulation is used to solve for the turbulent flow field. Predictions show that significant changes occur to cylinder hydrodynamics and Reynolds stresses due to FIV. Wake mixing is enhanced and kinetic energy production field is qualitatively altered. Heat flux results in a noticeable increase in response amplitude for FIV cases while surface temperature and heat transfer coefficient undergo qualitative modifications in FIV scenario as opposed to a static cylinder. The variance of Nusselt number increases at parts of the cylinder’s circumference due to FIV.

Copyright © 2010 by ASME



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