Secondary Flow Structure over a Smooth Wall
Heat Transfer Analysis in a Flow Over Concave Wall With Primary and Secondary Instabilities
... layers over concave surfaces is responsible for the development of counter- rotating vortices, aligned in the streamwise direction, known as G¨ortler ...the wall, increasing the drag coe fficient and the heat ...
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Direct numerical simulation of open-channel flow over smooth-to-rough and rough-to-smooth step changes
... the flow quantities within the IBL are not influenced by the domain length and ...the flow remains ...the wall shear-stress, the IBL thickness and the flow ...
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Incompressible SPH simulation of open channel flow over smooth bed
... the flow process by following the channel bed ...the wall and dummy particles. So much less flow information is needed for the inflow region as compared with other particle modelling ...of ...
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Smooth and Rough Wall Open Channel Flow Including Effects of Seepage and Ice Cover
... Channel Flow Understanding the structure and dynamics of open channel flow which comprises of a sheared boundary layer like flow is of vital importance to the modeling of sediment transport ...
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NUMERICAL SIMULATION OF A DOUBLE SKIN WITH SECONDARY VENTILATION FLOW ON ADIABATIC WALL
... Transport equations of mass, momentum and energy (1) – (4) are solved numerically using the finite volume method (Patankar, 1980). This method is based on the spatial integration of transport equations on control ...
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LES and RANS for turbulent flow over arrays of wall mounted obstacles
... These wall models are relatively simple ones among a number of possible ones representing an impermeable wall (Sagaut, 2001, ...and/or wall shear stress, which is an advantage in computing flows with ...
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Large Eddy Simulation of Separated Flow over a Wall-Mounted Cube
... Flow over a Wall-Mounted Cube ...ow over a wall-mounted cube in a channel was performed at a Reynolds number of ...The structure function modeling of the subgrid-scale stress ...
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Turbulent channel flow over an anisotropic porous wall - drag increase and reduction
... that wall permeability can drastically decrease the stability of the ...porous wall, made of a packed bed of spheres, on a turbulent channel ...the structure and the dynamics of turbulence are quite ...
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Heat transfer in a two-dimensional jet flow over an isothermal curved wall.
... Preston (Ref. 19) recognized this and developed a simple method of determining local turbulent skin friction on a smooth sur face which utilizes a round pitot tube resting on the surface. Preston's method is ...
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Structure of turbulent flow over regular arrays of cubical roughness
... same wall distance are very ...their smooth-wall counter- parts, the rough-wall eddies extracted herein are in general more inclined than those over smooth ...
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Near-field flow structure of a confined wall jet on flat and concave rough walls
... However, U s is less well defined than U m and is not consistently representative of the mean shear, because the maximum of the return flow is not located at the same value of z/z 1/2 . For this reason, U m was used as ...
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Recovery of wall-shear stress to equilibrium flow conditions after a rough-to-smooth step change in turbulent boundary layers
... the wall-shear stress of a turbulent boundary layer that has undergone a sudden transition from a rough to a smooth ...standard smooth-wall methods to measure wall-shear stress in such ...
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Experimental Investigation on the Impact of Wall Heating on Mixed Convection Turbulent Boundary Layer Flow Structure
... 2.2 The Color Permutation Method The previously proposed multi-color grid technique by the present authors utilizes a grid pattern to define several color-coded volumes [11]. Each color appears only once in every row and ...
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Numerical Study of Reynolds Number Effects on Flow over a Wall-Mounted Cube in a Channel Using LES
... behavior over a wall-mounted cube in a channel, various numerical approaches have been ...ow over a cube to be treated by LES, as there are large vortices generated in such a ...ow over a ...
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Particle motions in oscillatory flow over a smooth bed
... the flow velocity in the free stream is nil, and the upper bound ωt = 110˚ to a phase slightly after the phase where the flow velocity becomes maximum (ωt = ...the flow and other times it stays near ...
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Curvature effects on a turbulent jet flow over a wall.
... In these investigations (Refs. 18 and 19) the radius of curvature was not a variable. However, the effect of varying the radius was suggested for a future work. The entrainment flow induced by the wall Jets ...
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Direct Simulation of Flow over A Wall-Mounted Hump
... separated flow at a Reynolds numbers where conventional models are chal- ...turbulent flow over the wall-mounted hump configuration to investigate the physics of flow separation and ...
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Spanwise structure of wall pressure on a cylinder in axial flow
... the wall pressure was computed with the fast Fourier transform using seven inde- pendent time series for each microphone ~ ...the wall pressure at high ...the wall pressure spectrum, a two ...
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Smooth Muscle. Smooth Muscle Structure
... Smooth Muscle Contractile Properties 9Capable of prolonged tonic contraction – the pace of cross-bridge cycling in smooth muscle is about 1/10 to 1/300 that of skeletal muscle. However, the fraction of time ...
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Wall-Resolved Large-Eddy Simulation of Flow Separation Over NASA Wall-Mounted Hump
... NASA wall-mounted hump experiment 2 ...the wall model employed in the near-wall region. While wall models have been proposed for both equilibrium and non-equilibrium conditions, the true ...
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