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vortex shedding

Phenomenon of Alfvénic vortex shedding

Phenomenon of Alfvénic vortex shedding

... of vortex shedding in a magnetised medium is less well ...MHD vortex shedding can be used for the lev- eling the temperature by convective transport in liquid metals, ...by vortex ...

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The possible role of vortex shedding in the excitation of kink mode oscillations in the solar corona

The possible role of vortex shedding in the excitation of kink mode oscillations in the solar corona

... to vortex shedding, at least in the case where the external magnetic field is parallel to the plane of the loop, hence the axis of the generated vorticity, and that this force can be in resonance with ...

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Flow control through vortex shedding interaction on one cylinder downstream of another

Flow control through vortex shedding interaction on one cylinder downstream of another

... This study investigates the vortices produced between two 2d cylinders, and the relationship between the structures of the vortices produced at both cylinders when one is placed in the wake flow of another. CFD ...

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On the Sub Critical Bifurcation of Anti Phase and In Phase Synchronized Vortex Shedding Forms

On the Sub Critical Bifurcation of Anti Phase and In Phase Synchronized Vortex Shedding Forms

... periodic vortex shed- ding flow, “VQ” stands for quasi- periodic vortex shed- ding flow, and “VC” denotes the chaotic vortex ...Various vortex shedding regimes, including flip-flopped, ...

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Vortex shedding from a wind turbine blade section at high angles of attack

Vortex shedding from a wind turbine blade section at high angles of attack

... attack. Vortex shedding frequency non-dimensionalised by the projected area of the blade is in the range ...fundamental vortex shedding frequency for lift, drag and pitching moment are ...

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Proper orthogonal decomposition analysis of vortex shedding behind a rotating circular cylinder

Proper orthogonal decomposition analysis of vortex shedding behind a rotating circular cylinder

... The flow past a rotating cylinder has been studied extensively (e.g. [1-6]), yet much continues to be unknown about the flow structure and dynamics of this geometrically simple, turbulent flow. Vortical structures in the ...

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Vortex Shedding and Modal Behavior of a Circular Cylinder Equipped with Flexible Flaps

Vortex Shedding and Modal Behavior of a Circular Cylinder Equipped with Flexible Flaps

... in vortex shedding also affected the emission of tonal noise, as the aeolian tones generated by a cylinder modified with eight flexible flaps were shifted to higher frequencies when above a certain Reynolds ...

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Vortex shedding control of circular cylinder by perforated shroud in deep water

Vortex shedding control of circular cylinder by perforated shroud in deep water

... the vortex shedding downstream of a circular cylinder (inner cylinder) by the existence of outer perforated cylinder concentrically located around the inner cylinder in deep ...

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Numerical Simulation of the Vortex Shedding Behind an Airfoil-Spoiler Configuration

Numerical Simulation of the Vortex Shedding Behind an Airfoil-Spoiler Configuration

... Abstract: Spoilers are widely used on aircrafts as lateral control devices. Despite their wide usage, very little numerical and theoretical information exist. Numerical simulation of the full unsteady, compressible ...

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Vortex shedding from tapered, triangular plates: taper and aspect ratio effects

Vortex shedding from tapered, triangular plates: taper and aspect ratio effects

... near-wake vortex shedding between tapered plates has been delineated for 0 < T R ≤ 60 (T R=body spanwise length divided by average cross-stream ...the shedding is strongly dependent on the degree ...

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Optimized Feedback Control of Vortex Shedding on an Inclined Flat Plate

Optimized Feedback Control of Vortex Shedding on an Inclined Flat Plate

... the vortex shedding cycle (particularly lift-increasing and -decreasing phases) will be revisited in the context of optimized waveform in the next ...

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Vortex shedding lock in due to pitching oscillation of a wind turbine blade section at high angles of attack

Vortex shedding lock in due to pitching oscillation of a wind turbine blade section at high angles of attack

... the vortex shed- ding characteristics for a pitching ...region). Vortex-induced vibrations on the same air- foil in pitching motion at the same Reynolds number regime have been studied by Besem et ...the ...

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Sonation in the male common snipe (Capella gallinago gallinago L ) is achieved by a flag like fluttering of their tail feathers and consequent vortex shedding

Sonation in the male common snipe (Capella gallinago gallinago L ) is achieved by a flag like fluttering of their tail feathers and consequent vortex shedding

... Male common snipe ( Capella gallinago gallinago ) produce a ‘drumming’ sound with their outer tail feathers during their mating dives, but little is known about how this is achieved. We investigated the movements and ...

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Simulation of Flow over a Confined Square Cylinder and Optimal Passive Control of Vortex Shedding Using a Detached Splitter Plate

Simulation of Flow over a Confined Square Cylinder and Optimal Passive Control of Vortex Shedding Using a Detached Splitter Plate

... Instantaneous streamlines and ow patterns for the cases of dierent Reynolds numbers, and cylinder distance from the wall are shown in Figures 6 through 11, once without the splitter plate and once with the splitter plate ...

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Control of across-wind vortex shedding induced vibrations in tall buildings using the tuned mass-damper-inerter (TMDI)

Control of across-wind vortex shedding induced vibrations in tall buildings using the tuned mass-damper-inerter (TMDI)

... In this paper, the potential of the TMDI to suppress vortex shedding induced vibrations in tall buildings vis-à-vis the classical TMD is assessed. This is accomplished by undertaking a parametric study ...

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Control of Vortex Shedding Behind a Circular Cylinder in Various Flow Regimes Using Optimized Surpass Component

Control of Vortex Shedding Behind a Circular Cylinder in Various Flow Regimes Using Optimized Surpass Component

... of vortex shedding on such ...the vortex shedding phenomenon in the wake region of the ...number, vortex shedding, drag, lift, and pressure coefficients are ...

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Effects Of Frequency Variation At Inlet Flow On The Vortex Shedding Frequency Behind A Circular Cylinder

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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Time-averaged heat transfer and vortex shedding of a
singular and twin heated bluff bodies in cross flow

Time-averaged heat transfer and vortex shedding of a singular and twin heated bluff bodies in cross flow

... ric vortex trapped behind the prism; third, unsteady flow regime with separation located at the trailing edge with vortex shedding; fourth, unsteady flow with separation at the leading edge and reat- ...

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POWER GENERATION USING LOCK-IN VORTEX SHEDDING FREQUENCIES FROM QUASI-CONSTANT AIRFLOW

POWER GENERATION USING LOCK-IN VORTEX SHEDDING FREQUENCIES FROM QUASI-CONSTANT AIRFLOW

... Literature also suggests the use of different types of bluff bodies that allow vortex shedding and intern oscillations that can be used to strain piezoelectric generators to achieve power. The most common ...

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A Numerical Investigation on Aerodynamic Coefficients of Solar Troughs Considering Terrain Effects and Vortex Shedding

A Numerical Investigation on Aerodynamic Coefficients of Solar Troughs Considering Terrain Effects and Vortex Shedding

... structures. Usually, parabolic mirrors are connected to the structures using specific resins. In addition, durability and structure deformation in the result of possible stresses are important concerns which should be ...

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