Results 241 to 250 of about 72,003 (271)
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The onset of dynamic stall at a high, transitional Reynolds number
Journal of Fluid Mechanics, 2018Dynamic stall due to a ramp-type pitching motion is investigated on the NACA 0012 airfoil at chord Reynolds number of $Re_{c}=1.0\times 10^{6}$ through the use of wall-resolved large-eddy simulation.
S. Benton, M. Visbal
semanticscholar +1 more source
Fluid-Mechanics Mechanisms in the Stall Process of Airfoils for Helicopters
1982The stalling of helicopter rotor blades occurs on the retreating side of the rotor disk. The lower velocity on the retreating side (typically 0.3 to 0.5 Mach number) is compensated for by higher lift coefficients, which require higher angles of attack.
openaire +1 more source
Continuous Blowing Jet Flow Control Optimization in Dynamic Stall of NACA0012 Airfoil
Volume 2: Fluid Mechanics; Multiphase Flows, 2020Use of active flow control techniques has become important in flow separation control. Continuous blowing jet is one of the most effective methods that can be used to improve aerodynamic performance of an airfoil.
M. Tadjfar, Saman Kasmaiee, S. Noori
semanticscholar +1 more source
Fluid–structure coupling mechanism and its aerodynamic effect on membrane aerofoils
Journal of Fluid Mechanics, 2018Fluid–structure interactions of elastic membrane aerofoils are investigated at Reynolds number $Re=10\,000$ and low angle of attack. The dynamics of the fluid and membrane coupled system are solved using direct numerical simulation (DNS), where the ...
S. Serrano-Galiano +2 more
semanticscholar +1 more source
Computational Study of Mach Number Effects on Dynamic Stall
Volume 1: Fluid Mechanics, 2019A rotorcraft main-rotor blade experiences a broad range of the Mach number in high-speed forward flights or rapid maneuvering conditions. Near the boundary of the flight envelope, the rotor blade often encounters severe dynamic stall which limits the ...
Taesoon Kim +4 more
semanticscholar +1 more source
Dynamic stall reattachment revisited
Journal of Fluid Mechanics, 2017Dynamic stall on aerofoils is an undesirable and potentially dangerous phenomenon. The motto for aerodynamic systems with unsteadily moving wings, such as helicopters or wind turbines, is that prevention beats recovery. In case prevention fails or is not
Sahar Rezapour, K. Mulleners
semanticscholar +1 more source
Journal of Fluid Mechanics
Turbulent transonic buffet is an aerodynamic instability causing periodic (albeit, often irregular) oscillations of lift/drag in aerospace applications.
D. J. Lusher, A. Sansica, A. Hashimoto
semanticscholar +1 more source
Turbulent transonic buffet is an aerodynamic instability causing periodic (albeit, often irregular) oscillations of lift/drag in aerospace applications.
D. J. Lusher, A. Sansica, A. Hashimoto
semanticscholar +1 more source
Culinary fluid mechanics and other currents in food science
Reviews of Modern Physics, 2023Arnold J t m Mathijssen +2 more
exaly
Leonardo da Vinci and Fluid Mechanics
Annual Review of Fluid Mechanics, 2021Ivan Marusic, Susan Margaret Broomhall
exaly
Hidden fluid mechanics: Learning velocity and pressure fields from flow visualizations
Science, 2020Maziar Raissi +2 more
exaly