... stratified fluid experiment dipolar vortex structure generated propeller fluid mech vortex street temperature gradient numerical study refinement Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023...

... shedding of vortices. The periodic phenomenon is referred to as the vortex shedding, where the anti-symmetric clockwise and counterclockwise wakes pattern is called the von Karman vortex streets (Zdravkovich, 2003). Vortex streets occur frequently in the atmosphere and oceans (Nunalee and Basu, 2014...

... cylinder circular cylinder vorticity contour downstream cylinder 3 configuration fluid dynamics drag coefficient cylinder 1 strouhal number upstream oil & gas cylinder 3 vortex street cylinder fourier transform cylinder 2 coefficient downstream cylinder arrangement interference...

... by spanwise end contaminations and their relative measures of elimination (Hammache and Gharib, 1989), often diverted attention away from what could be obtained with the so called clean boundary condition. bifurcation mode coreline square cylinder vortex street hopf bifurcation oscillation...

... upstream oil & gas vortex street downstream cylinder laneville vibration interference viv arrangement cylinder equation oscillator tandem arrangement oscillation zdravkovich experimental data wake interference vortex-induced vibration numerical simulation VIV of Two Cylinders...

... with the analytic results proposed by Badr and Dennis (1985). The present model results show : when α>2.0, vortex street suppression is obvious for the initial time (t<24) for all the Re number here studied; the regular Von Karman vortex street will appear at α=4.0, Re=200 and enough long time...

... ABSTRACT Interaction between two vortex streets with difference in shedding frequency, generated from instability of 2-D wake-type flows is investigated numerically. A hybrid method for solving Navier-Stokes equations combining the compact finite difference in streamwise and Fourier spectral...

... engineering particle vortex street ply technique experiment velocimetry experimental study cylinder vector field wake region zdravkovich application tandem arrangement Proceedings of the Sixth (1996) -International Offshore and Polar Engineering Conference (1996) Los Angeles, USA May 26-31,1996...

... ABSTRACT The evolution of the vortex street behind a rotating circular cylinder in uniform free stream is investigated numerically at high Reynolds number. The ratio of the cylinder surface velocity to the free stream velocity, α is in the range 0 ≤ α ≤3 The method used to calculate the flow...

... of the fluid plays an important role in the formation of vor· tex streets behind bluff bodies vector vortex street vortex circular cylinder transverse cylinder reynolds number transverse arrangement fluid mech arrangement finite element simulation good agreement instability symmetric eddy...

... variation modulation mean flow unsteadiness power spectrum vortex street artificial intelligence fluctuation nonlinear coupling coupling unsteady condition nonlinear dynamic amplitude steady condition sideband frequency frequency component phase modulation spectra...

... time, begin to form behind the plate, which in turn cuts off the lower shear layer when it becomes strong enough. This process repeats itself and large scale vortices are alternately shed from the plate, forming the well-known Karman vortex street. (iv) The ratio of r* of a far downstream vortex...

... of a vortex street. Vortex streets can cause vibrations of flexible structures, and have been the subject of extensive investigations for this reason (see Sarpkaya (1979) and Bearman (1984) for reviews of the subject). Components of offshore structures exposed to a current often generate wakes parallel...