Results 81 to 90 of about 909 (221)

Vortex flow around a pair of in-line forced oscillating tandem arranged circular cylinder

Nihon Kikai Gakkai ronbunshu, 2014
In this study, the flow features of vortex shedding from a pair of tandem arranged circular cylinders oscillating along the direction of the flow were observed by visualizing water flow experiment at the ranges of the frequency ratio f/fK=0～6.2 (28 steps)
Yoshifumi YOKOI
doaj   +1 more source

An inviscid model for the vortex-street wake [PDF]

, 1982
An inviscid model for the Karman vortex street, containing vortices of uniform vorticity surrounded by irrotational fluid, is related to the wake behind a bluff body by a global analysis requiring the conservation of momentum, energy and vorticity.
Schatzman, J. C., Saffman, P. G.
core  

Three-dimensional stability of vortex arrays [PDF]

, 1982
The stability to three-dimensional disturbances of three classical steady vortex configurations in an incompressible inviscid fluid is studied in the limit of small vortex cross-sectional area and long axial disturbance wavelength.
Saffman, P. G., Robinson, A. C.
core  

Kármán Vortex Street Driven Membrane Triboelectric Nanogenerator for Enhanced Ultra-Low Speed Wind Energy Harvesting and Active Gas Flow Sensing. [PDF]

ACS Appl Mater Interfaces, 2022
Li W, Lu L, Fu X, Zhang C, Loos K, Pei Y.   +5 more
europepmc   +1 more source

Frequency lock-in and phase synchronization of vortex shedding behind circular cylinder due to surface waves

, 2016
(IF 1.17; Q3)International audienceThe influence of harmonic surface wave on non-regular Karman Vortex Street is investigated. In our experiments, Karman Street arises behind a vertical circular cylinder in a water flow and harmonic surface waves ...
Gunnoo, Hans, Abcha, Nizar, Ezersky, Alexander B.   +2 more
core   +1 more source

Enhancing Kármán Vortex Street Detection via Auxiliary Networks Incorporating Key Atmospheric Parameters

Atmosphere
Kármán vortex streets are quintessential phenomena in fluid dynamics, manifested by the periodic shedding of vortices as airflow interacts with obstacles.
Yihan Zhang, Zhi Zhang, Qiao Su, Chaoyue Wu, Yuqi Zhang, Daoyi Chen   +5 more
doaj   +1 more source

Flow visualisation of the non-isothermal Von Karman Vortex Street from a circular cylinder

, 2000
Original scientific work on the theme of flow visualisation of the non-isothermal Von Karman Vortex Street from a circular ...
Trávníček, Zdeněk
core  

Vortex Cloud Street during AMTEX 75

, 1978
Strong northerly flow across Cheju Island, Korea, during the 1975 Air Mass Transformation Experiment (AMTEX 75) resulted in a pronounced vortex cloud street to the lee of the island on February 17 1975.
Jensen, Niels Otto, Agee, E. M.
core   +1 more source

SWIMMING AGAINST THE FLOW: A ROBOTICS SIMULATION FRAMEWORK

Investigación & Desarrollo, 2016
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  

Large Eddy Simulation of Flow over Wavy Cylinders with Different Twisted Angles at a Subcritical Reynolds Number

Journal of Marine Science and Engineering, 2019
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, Hang Guo, Jian Hu, Kewei Song, Weipeng Zhang, Wei Wang   +5 more
doaj   +1 more source