Flat cylinder entering the vortex state
Vortex shedding from a circular cylinder near a moving ground
... circular cylinder placed near a plane boundary has been the subject of a number of studies as it is of fundamental interest as well as of relevance to many en- gineering ...Kármán-type vortex shedding ...
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Optimized Feedback Control of Vortex Shedding on an Inclined Flat Plate
... To ensure that the feedback is still required to sustain the achieved phase-locked limit cycle, FB 1 is investigated further. Feedback is turned off after the phase-locked limit cycle has been achieved for a long time, ...
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Vortex flow over the flat plate and backward facing step
... a flat plate and circular ...a flat plate provides massivesupply of data regarding the physical phenomenon separation and transition of be due laminar to ...circular cylinder, sometimes experiences ...
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Flow control through vortex shedding interaction on one cylinder downstream of another
... transient state with hybrid ...infinite cylinder of diameter ...each cylinder, a coefficient of drag monitor parallel to the flow of the fluid and a coefficient of lift perpendicular to the flow ...
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Flow control through vortex shedding interaction of one cylinder downstream of another
... transient state with hybrid ...infinite cylinder of diameter ...each cylinder, a coefficient of drag monitor parallel to the flow of the fluid and a coefficient of lift perpendicular to the flow ...
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Asymmetric vortex shedding flow past an inclined flat plate at high incidence
... as vortex shedding and fluctuating velocity fields are equally important and lead to flow-induced vibration, noise generation and turbulence ...circular cylinder and the flat plate or the square ...
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Vortex Shedding Characteristics of the Wake of a Thin Flat Plate with a Circular Trailing Edge
... shed vortex at inception in Case A is not a single cylindrical vortex as in low Reynolds number cylinder ...shed vortex is initially stretched out in the x direction and sometimes breaks up ...
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Study on Non Uniqueness of Taylor Vortex Flow Changing Inner Cylinder Acceleration Time
... From this finding, non-uniqueness, which is a major characteristic of Taylor vortex flow, was confirmed. However, no regularities regarding the difference in mode formation were found and the tendency of the mode ...
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Effects Of Frequency Variation At Inlet Flow On The Vortex Shedding Frequency Behind A Circular Cylinder
... Karman vortex street behind a stationary cylinder in a uniform stream, several other complex vortex patterns have been observed in the wakes of oscillating ...of vortex wakes behind cylinders ...
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Computational Characterization of a Rectangular Vortex Generator on a Flat Plate for Different Vane Heights and Angles
... steady, state and incompressible flow with a Reynolds number of Re = 27,000 based on the local BL thickness δ at the VG ...the vortex size was the half-life radius R ...the vortex is achieved by the ...
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Two-dimensional coupled vortex-induced vibration of circular cylinder : prediction and extraction of hydrodynamics properties
... the cylinder and how the energy is transferred from the fluid to the structure (Sarpkaya, ...self-limiting state), the inertia component C ay tends to zero and changes sign across the ...
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CiteSeerX — Control of vortex breakdown in a closed cylinder with a small rotating rod, J. Fluids Struct
... the vortex breakdown in a confined cylindrical cavity has been investigated by means of experiments and numerical ...the vortex breakdown, unlike counter-rotation which enhances the vortex breakdown ...
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The appearance of two lock-in states in the vortex flow around an in-line forced oscillating circular cylinder
... of vortex shedding from a circular cylinder forced-oscillating in the in-line direction were investigated by use of flow visualization experiment and numerical simulation at the Reynolds number Re=620, with ...
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Vortex shedding noise of a cylinder with hairy flaps
... reference cylinder and the hairy flap ...the cylinder, the high speed camera was not aligned perpendicular to the laser sheet, but was rather positioned at an angle of about 30 ◦ and recorded with a frame ...
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Experimental investigation of the vortex-induced vibration of a curved cylinder
... Figure 2 compares the reference cross-flow and streamwise responses obtained from two different runs with the straight cylinder. In the first one, flow speed was increased in 30 steps from zero to a maximum, while ...
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The effects of perforated cylinders on the vortex shedding on the suppression of a circular cylinder
... of vortex shedding frequencies around the ...bare cylinder case by means of velocity and vorticity contours, turbulent kinetic energy, Reynolds shear stress and streamline ...the cylinder in which ...
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VORTEX-INDUCED VIBRATION OF HORIZONTAL CIRCULAR CYLINDER IN UNIFORM FLOW
... aluminum cylinder which has ...the cylinder and each end plate is hanged vertically from ends of two parallel frames above the ...the cylinder in horizontal direction is restricted and negligible ...
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Vortex Shedding and Modal Behavior of a Circular Cylinder Equipped with Flexible Flaps
... to vortex shedding is caused by a lock-in with an eigenmode of the ...natural vortex shedding ...the vortex shedding cycle locks-in with the next higher ...
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Vortex shedding control of circular cylinder by perforated shroud in deep water
... the cylinder away from the inner cylinder ...coupled cylinder by intercepting the interaction of vortices and thus momentum transfer increases into the wake ...bare cylinder is found to be ...
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CFD and EXPERIMENTAL ANALYSIS of VORTEX SHEDDING BEHIND D-SHAPED CYLINDER
... years. Vortex shedding is one of the most challenging phenomenon in turbulent ...the vortex shedding phenomenon. The Vortex Shedding frequency depends on different aspects of the flow field such as ...
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