Results 11 to 20 of about 9,895 (265)
Minimalist turbulent boundary layer model [PDF]
Physical Review E, 2009 We introduce an elementary model of a turbulent boundary layer over a flat surface, given as a vertical random distribution of spanwise Lamb-Oseen vortex configurations placed over a non-slip boundary condition line. We are able to reproduce several important features of realistic flows, such as the viscous and logarithmic boundary sublayers, and the ...
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A Note on the bottom shear stress in oscillatory planetary boundary layer flow [PDF]
Modeling, Identification and Control, 1988 A simple analytical theory is presented, which describes the motion in a turbulent oscillatory planetary boundary layer near a rough seabed using a two-layer, time-invariant eddy viscosity model.
Dag Myrhaug
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Unsteady Motion of Shock Wave for a Supersonic Compression Ramp Flow Based on Large Eddy Simulation
Frontiers in Energy Research, 2022 A large eddy simulation (LES) is conducted to investigate shock wave/turbulent boundary layer interaction in a 24° compression ramp at a high inlet Mach number of Ma=2.9.
Xing Huang +3 more
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Journal of Fluid Science and Technology, 2011 Spatial direct numerical simulation results are presented for transitional/turbulent supersonic isothermal flat plate boundary layers at M = 2.0 and impinging shock wave-boundary layer interactions.
Yusuke TOKURA, Hiroshi MAEKWA
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Journal of Fluid Science and Technology, 2013 The laminar-turbulent transition of a boundary layer induced by a jet injection in the inlet region of a circular pipe was experimentally investigated.
Masashi ICHIMIYA +3 more
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Mathematical modeling and the study of exchange processes in disperse boundary layer control actions
Научный вестник МГТУ ГА, 2019 A significant interest of researchers is attracted to the effective management and forecasting of exchange processes in the boundary layer, which are key for the implementation of effective and reliable equipment. Modeling of exchange processes occurring
A. A. Bondarenko +3 more
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Key structure in laminar-turbulent transition of boundary layer with streaky structures
Theoretical and Applied Mechanics Letters, 2019 A numerical simulation is performed to find out a key vortical structure in the laminar-turbulent transition. A low-speed streak is generated inside a laminar boundary layer using an isolated cuboid roughness, aimed at providing an environment unstable ...
Joe Yoshikawa +3 more
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Учёные записки Казанского университета: Серия Физико-математические науки, 2020 The effect of the scale and the high intensity of incident-flow turbulence in a boundary layer on a smooth plane plate with rounded edge (experiment T3H) under a zero pressure gradient was analyzed.
V.M. Zubarev
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Experimental Study on Time Evolution of Shock Wave and Turbulent Boundary Layer Interactions
Journal of Applied Fluid Mechanics, 2020 In this paper, a test system based on the Nano-tracer Planar Laser Scattering (NPLS) technique for studying time evolution of unsteady flow structures was finished.
X. G. Lu +4 more
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Definition of Turbulent Boundary-Layer with Entropy Concept
MATEC Web of Conferences, 2016 The relationship between the entropy increment and the viscosity dissipation in turbulent boundary-layer is systematically investigated. Through theoretical analysis and direct numerical simulation (DNS), an entropy function fs is proposed to distinguish
Zhao Rui, Rong Jili, Li Haibo, Ren Fang
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