Results 31 to 40 of about 4,556 (210)
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
doaj +1 more source
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 ...
Hitoshi ISHIKAWA +3 more
openaire +2 more sources
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
doaj +1 more source
Streamline topology and dilute particle dynamics in a Karman vortex street flow
, 2003 Three types of streamline topology in a Karman vortex street flow are shown under the variation of spatial parameters. For the motion of dilute particles in the K\'arm\'an vortex street flow, there exist a route of bifurcation to a chaotic orbit and more
Wu, ZB (reprint author), Acad Sinica, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China. +1 more
core +1 more source
Mechanism of heat transportation in the intermediate wake of a heated cylinder
Nihon Kikai Gakkai ronbunshu, 2020 The paper clarifies the effects of buoyancy on the mechanism of heat transfer in the wake of heated cylinder for X/D=5-40. Measurements are made by a thermo-anemometer.
Hideaki WATANABE +2 more
doaj +1 more source
, 2017 Two-dimensional flow past an infinitely long cylinder of nanoscopic radius in superfluid He-4 at zero temperature is studied by time-dependent density functional theory. The calculations reveal two distinct critical phenomena for the onset of dissipation:
Ancilotto, Francesco +3 more
core +3 more sources
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.
openaire +1 more source
Transition in vortex wakes of flow around an elliptic cylinder
Archives of MechanicsTransition in the wake flow around an elliptic cylinder was numerically investigated at Reynolds numbers (Re) ranging from 3 to 200. The cylinder axis ratio (AR) varies from 0.125 to 8, while its angle of attack (AoA) was examined at 30°, 60°, and 90 ...
V.L. Nguyen, V.D. Duong, L.H. Duong
doaj +1 more source
Design of mine-used wind speed sensor based on DDS technology
Gong-kuang zidonghua, 2016 In view of problem that performance of mine-used wind speed sensor is easy to fall because of poor working conditions, a kind of mine-used wind speed sensor based on DDS technology was designed.
MIAO Kebin
doaj +1 more source
Dye visualization of the wake of a near-wall particle in response to a periodic oscillation
Measurement: Sensors, 2021 In turbulent dispersed multiphase flows, the interaction between the particle wake and the ambient turbulent fluctuation can be crucial for the change of the multiphase system.
Xing Li, Haibin Zhang, Bofeng Bai
doaj +1 more source