Paper Title :Effect of Turbulence Parameters on Flow-Induced Vibrations in a Cross Flow Over Staggered Array of Cylinders
Author :Ji-Su Kim, Jongwoon Park, Hyeon-Kyeong Choi
Article Citation :Ji-Su Kim ,Jongwoon Park ,Hyeon-Kyeong Choi ,
(2018 ) " Effect of Turbulence Parameters on Flow-Induced Vibrations in a Cross Flow Over Staggered Array of Cylinders " ,
International Journal of Mechanical and Production Engineering (IJMPE) ,
pp. 17-20,
Volume-6,Issue-3
Abstract : Effect of turbulent Prandtl numbers used in standard k-ɷ turbulence model on the flow induced vibrations for cross
flows over staggered array of cylinders is quantified through computational fluid dynamic analyses. For 50-60% variations in
the turbulent Prandtl numbers, the difference in the frequency ratios, the parameters for the vortex-induced vibration, are larger
than 10 %. On the other hand, the difference in the reduced velocity, the parameter for fluid-elastic vibration, is3.6%.This
result shows that the fluid-elastic vibration is far less sensitive to turbulence parameters.
Index Terms - Flow Induced Vibration, Cross Flow, Array of Cylinders, Computational Fluid Dynamics, Standard k-ɷ
turbulence model, Turbulent Prandtl Number.
Type : Research paper
Published : Volume-6,Issue-3
DOIONLINE NO - IJMPE-IRAJ-DOIONLINE-11435
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Copyright: © Institute of Research and Journals
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Published on 2018-04-30 |
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