Results 21 to 30 of about 464 (173)
Numerical simulation of single aluminum droplet evaporation based on VOF method
Case Studies in Thermal Engineering, 2022 In order to explore the law of single aluminum droplet evaporation process in argon, based on the VOF method, this paper carried out a corresponding two-dimensional transient multiphase flow numerical simulation.
Jia-hao Wang +5 more
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Numerical Study of the Passive Motion of Airfoils in Porous Media [PDF]
Journal of Applied Fluid MechanicsThis study proposes adding a porous medium layer to the leading edge of a rigid airfoil and investigates the influence of various porous medium properties on the passive propulsion performance of the airfoil in a Kármán vortex street, using numerical ...
J. Tang +4 more
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Effect of NACA0012 Airfoil Pitching Oscillation on Flow Past a Cylinder
Energies, 2021 The flow past a cylinder is a classical problem in flow physics. In a certain range of Reynolds number, there will be Karman vortex street phenomenon in the wake of a cylinder, which will greatly increase the pressure drag of the cylinder. By controlling
Rong Han +3 more
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Numerical Investigation on the Effect of Asymmetry of Flow Velocity on the Wake Vortex of Hydrofoils
Journal of Marine Science and Engineering, 2022 The Karman vortex street is a common flow phenomenon. In hydraulic machinery, it is usually located downstream of the guide vanes and the runner blades, which reduces hydraulic performance and may also cause fatigue damage to the structure.
Xiang Xia +5 more
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The characteristics of a Karman vortex street in a channel of finite breadth [PDF]
Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1928 Abstract It is well known that the classical potential flow of a perfect fluid past a bluff body is not a satisfactory representation of the actual flow, and that, in particular, it fails to give any indication of the resistance or drag which is experienced by the body.
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Journal of Fluid Science and Technology, 2007 This paper describes an experimental investigation of the transitional mechanism of a wake generated behind a thin airfoil with a small angle of attack in a towing wind tunnel.
Toshiyuki MORITA, Hiroshi MAEKAWA
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Low-Frequency Modulation of Turbulent Karman Vortex Street.
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 1996 A wavelet analysis using the Morlet wavelet is applied to show the existence of low-frequency modulation in the velocity fluctuation in the turbulent vortex street wake of a circular cylinder at a Reynolds number of 5000. The central frequency of the low-frequency modulation fm is 1/30-1/20 times the frequency of vortex shedding from the circular ...
ISHIKAWA, Hitoshi +3 more
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Inhomogeneous dominance patterns of competing phytoplankton groups in the wake of an island [PDF]
Nonlinear Processes in Geophysics, 2010 We investigate the competition between two different functional groups of phytoplankton in the wake of an island close to a coastal upwelling region. We couple a simple biological model with three trophic levels and a hydrodynamic model of a von Kármán ...
D. Bastine, U. Feudel
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Cross-Platform GPU-Based Implementation of Lattice Boltzmann Method Solver Using ArrayFire Library
Mathematics, 2021 This paper deals with the design and implementation of cross-platform, D2Q9-BGK and D3Q27-MRT, lattice Boltzmann method solver for 2D and 3D flows developed with ArrayFire library for high-performance computing.
Michal Takáč, Ivo Petráš
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Compact analogs of the models of vortex flows generated by aircraft flight
Авіаційно-космічна техніка та технологія, 2023 The subject of this work is the development of compact analogs of vortex flows models, which are used in the modeling of vortex structures observed during the flight of an aircraft and the motion of a body in a fluid.
Pavlo Lukianov, Lin Song
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