Results 81 to 90 of about 739 (180)
Kármán Vortex Street Driven Membrane Triboelectric Nanogenerator for Enhanced Ultra-Low Speed Wind Energy Harvesting and Active Gas Flow Sensing. [PDF]
Li W +5 more
europepmc +1 more source
International audienceIt is demonstrated experimentally that the influence of harmonic surface waves on the turbulent Kármán vortex street leads to lock-in of the sheddingfrequency and phase synchronization.
Anne-Claire Bennis +9 more
core +1 more source
The deformation of the cylinder has been proved to greatly reduce the fluctuation of lift and the vortex-induced vibration. In this article, a new form of deformation mode for the smooth cylinder is proposed in order to reduce the vortex-induced ...
Chunyu Guo +5 more
doaj +1 more source
SWIMMING AGAINST THE FLOW: A ROBOTICS SIMULATION FRAMEWORK
Fish in nature take advantage of some types of turbulence and even generate it to swim with a minimum expenditure of energy. This is the case observed in rainbow trout swimming against the flow in well patterned turbulence phenomenon called Karman Street.
S. Cecilia Tapia Siles, Ryad Chellali
doaj
Crystallization and Motility-Induced Phase Separation in the Flow of Active Brownian Particles Around an Obstacle [PDF]
The interaction between fluid flow and obstacles is a fundamental problem in fluid dynamics, exemplified by the Kármán vortex street and its Reynolds number-dependent instabilities.
Iwase Koji, Isobe Masaharu
doaj +1 more source
Spacetime Defects: Von Kármán Vortex Street Like Configurations
A special arrangement of spinning strings with dislocations similar to a von Kármán vortex street is studied. We numerically solve the geodesic equations for the special case of a test particle moving along two infinite rows of pure dislocations and also
Letelier P.S., Letelier, PS
core +1 more source
The Kuroshio-Oyashio front as a compound vortex street
A concept presented in this paper can account for a wide variety of observed features in the Kuroshio-Oyashio front, just east of Japan. The concept, a synthetic description, consists of two von Kármán vortex streets arranged side by side; it is referred
Barkley, Richard A.
core
Symmetry properties of the reverse Bénard-von Kármán vortex street produced by a flapping foil
International audienceWe study experimentally the vortex streets produced by a high-aspect-ratio pitching foil placed in a hydrodynamic tunnel. PIV measurements give access to the spatio-temporal characteristics of the vorticity field in the wake and ...
Eduardo Wesfreid, José +2 more
core +1 more source
Vortex Dynamics Effects on the Development of a Confined Turbulent Wake
In the present work, the turbulent wake of a circular cylinder in a confined flow environment at a blockage ratio of 14% is experimentally investigated in a wind tunnel consisting of a parallel test section followed by a constant-area distorting duct ...
Ioannis D. Kalogirou +4 more
doaj +1 more source
Cavitation Influence on Kármán Vortex Shedding and Induced Hydrofoil Vibrations [PDF]
The present study deals with the shedding process of the von Kármán vortices at the trailing edge of a 2D hydrofoil at high Reynolds number. This research focuses mainly on the effects of cavitation and fluid-structure interaction on the mechanism of the
Avellan, François +4 more
core +1 more source

