Top PDF Large-eddy Simulation of Turbulent Boundary Layers with Spatially Varying Roughness
Large-eddy Simulation of Turbulent Boundary Layers with Spatially Varying Roughness
... the boundary-layer growth and the roughness-scale variation coincide, for given α, the LES produces a statistically steady boundary-layer ...sufficiently large Reynolds number Re x , the ...
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Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers
... For better interpretation of these figures, the reader is referred to the web (colored) version of this article. In the near-wall region that is critical to our acoustic loading study, the results of the two higher-order ...
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Wall-modeled large-eddy simulation of non-equilibrium turbulent boundary layers
... a spatially-developing 3D TBL inside a bent square duct (Schwarz & Bradshaw 1994) and 3D separated flows behind a skewed bump (Ching et ...duct simulation, the mean velocity profiles and crossflow ...
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Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers
... For better interpretation of these figures, the reader is referred to the web (colored) version of this article. In the near-wall region that is critical to our acoustic loading study, the results of the two higher-order ...
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Large Eddy Simulation of the Flat Plate Turbulent Boundary Layer at High Reynolds Numbers
... numerical simulation of the TBL including high-order nonspectral methods and boundary conditions suitable for spatially developing flows with only one, as opposed to two, homogeneous ...of ...
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Large-eddy simulation of the zero-pressure-gradient turbulent boundary layer up to Re_θ = O(10^(12))
... Flat-plate turbulent boundary layers: background Research on turbulent boundary layers (TBL) has a long ...the turbulent zone, or TBL thickness δ(x), and the wall shear ...
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Large Eddy Simulation of Spatially Developing Turbulent Reacting Shear Layers with the One-Dimensional Turbulence Model
... sampled eddy will be rejected. The role of Z is to impose a threshold eddy Reynolds number that must be exceeded to allow eddy ...the eddy Reynolds number are sufficiently ...of eddy ...
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Large-eddy simulation of plume dispersion under various thermally stratified boundary layers
... thermally-stratified boundary layers and examined the use- fulness of our approach by comparing the simulated results with wind tunnel experimental ...the turbulent boundary layer is ...
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Flow Reversal in Turbulent Boundary Layers with Varying Pressure Gradients
... of turbulent boundary layers (TBL) are investigated in detail in order to understand their possible connection with large scale structures which develop in the external ...flow ...
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Large-eddy simulation of NACA65 compressor cascade with roughness
... of roughness cannot be fully established until a systematic grid refinement study has been ...if roughness height is significant and elements are densely populated, then resolving the shear layer and the ...
Large eddy simulation of a Mach 0.9 turbulent jet
... nozzle-exit boundary layers now exhibit turbulent mean and RMS ve- locity profiles, with much larger fluctuation levels near the wall than in the baseline 10M case with the thin laminar ...
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Large eddy simulation of shock wave/turbulent boundary layer interaction with and without SparkJet control
... using large-eddy simulation in this ...a spatially-developing Ma = 2.3 turbulent boundary ...the boundary layer displacement thickness at the impinging point without ...
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Adjustment of Turbulent Boundary-Layer Flow to Idealized Urban Surfaces: A Large-Eddy Simulation Study
... the simulation results and the experimental data are found for the verti- cal and spanwise profiles of the mean velocities and velocity standard deviations at different streamwise ...internal boundary layer ...
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Large eddy simulation of shock wave/turbulent boundary layer interactions and its control using Sparkjet
... Conclusions Large-Eddy Simulation of a Mach ...a spatially-developing turbulent boundary layer along a flat plate is carried ...the simulation results are validated with ...
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Large-eddy simulation and wall modelling of turbulent channel flow
... the large eddies, carrying most of the turbulent kinetic energy, set the length and time scales that describe the rest of the small-scale ...overall turbulent flow ...high-Re boundary ...
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Large eddy simulation of a three dimensional hypersonic shock wave turbulent boundary layer interaction of a single fin
... reflective boundary condition, in which all the flow variables at the boundaries are extrapolated from the inside of the ...sponge layers with stretched meshes, and the low-order spatial filter 错误 ! ...
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A Large-Eddy Simulation Study of Turbulent Flow Over Multiscale Topography
... total turbulent stress changes linearly with height, from a value of −1 at the surface to a value of zero at the top of the boundary ...effective roughness length for all the different terrains under ...
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Direct and large-eddy simulation of inert and reacting compressible turbulent shear layers
... At higher convective Mach number the fluid particles that start entering the mixing layer stay close to its edges for a longer time and are carried along before they penetrate inside. This can be seen from the elapsed ...
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Distributed Roughness Effects on Transitional and Turbulent Boundary Layers
... subsonic boundary layer on a flat plate with roughness elements distributed over the entire ...surface roughness on a spatially developing turbulent boundary layer (TBL) is ...
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Perturbation of a turbulent boundary layer by spatially-impulsive dynamic roughness
... dynamic roughness appears to develop a thinner internal layer than the static roughness of the same height, although no minima corresponding to the δ 1 layer could be located with any confidence for the ...
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