2003
DOI: 10.1023/b:appl.0000014924.80246.e4
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Direct Numerical Simulation and Experimental Investigation on Suppression of Vortex Induced Vibrations of Circular Cylinders by Radial Water Jets

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Cited by 11 publications
(7 citation statements)
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“…It is demonstrated that the phase switch in vortex shedding results from the competition of two vorticity production mechanisms, namely by the tangential pressure gradient on the cylinder surface and by the surface-tangential component of cylinder acceleration. Skaugset and Larson (2003) combine 2-D DNS at Re ¼ 800 and experiment to examine the suppression of VIV, and demonstrate that steady blowing of radial water jets along the cylinder effectively reduces VIV amplitudes. Dalton and collaborators (Lu and Dalton, 1996;Zhang and Dalton, 1996;Al-Jamal and Dalton, 2004) have conducted extensive 2-D LES of VIV at Reynolds numbers from Re ¼ 185 to 13 000, and found qualitative agreement with experimental results.…”
Section: Cylinder Subject To Vortex Induced Vibrations (Viv)mentioning
confidence: 99%
“…It is demonstrated that the phase switch in vortex shedding results from the competition of two vorticity production mechanisms, namely by the tangential pressure gradient on the cylinder surface and by the surface-tangential component of cylinder acceleration. Skaugset and Larson (2003) combine 2-D DNS at Re ¼ 800 and experiment to examine the suppression of VIV, and demonstrate that steady blowing of radial water jets along the cylinder effectively reduces VIV amplitudes. Dalton and collaborators (Lu and Dalton, 1996;Zhang and Dalton, 1996;Al-Jamal and Dalton, 2004) have conducted extensive 2-D LES of VIV at Reynolds numbers from Re ¼ 185 to 13 000, and found qualitative agreement with experimental results.…”
Section: Cylinder Subject To Vortex Induced Vibrations (Viv)mentioning
confidence: 99%
“…By injecting a small and tunable amount of energy into the ambient flow, active VIV control methods can perform more adaptively and effectively. Numerous active methods have been applied to manipulate the asymmetric wakes behind bluff bodies so as to attenuate the resulting VIVs, such as the moving surface boundary-layer control, 6 plasma jets, 7 flush-mounted piezoelectric actuators, 8 synthetic jets, 9 pure suction, 10 pure blowing, 11 rotational oscillation, 12 traveling wave wall, 13 and electromagnetic method. 14 Recently, a novel flow control means, i.e., the windward-suction-leeward-blowing (WSLB) concept, was proposed by Dong et al 15 for the VIV control.…”
Section: Introductionmentioning
confidence: 99%
“…Formally, tackling the fluid-structure problem requires the numerical solution of the Navier-Stokes equations [6][7][8]. This procedure results expensive from a computational point of view; therefore, new less computationally expensive models to study fluid-structure interaction in turbine blade and elastic beam vibration problems are needed.…”
Section: Mathematical Modelmentioning
confidence: 99%
“…On the other hand, numerical studies of blade vibration require a lot of computational power given that the fluidstructure problem must be solved [4][5][6]. From a formal point of view, the fluid-structure problem requires the numerical solution of the Navier-Stokes equations coupled with the equations of elasticity for the structure using Direct Numerical Simulation and Finite Element techniques, respectively; however, both approaches can be very expensive from a computational point of view [7,8]. Then, a simplified model which simulates the fluid-structure interaction of a turbine blade, but at the same time not be very computationally demanding, is required.…”
Section: Introductionmentioning
confidence: 99%