large eddy
Large Eddy Simulation of the internal injector flow during pilot injection
... The results of a Large Eddy Simulation during an entire pilot injection of the “Spray A” is presented. The needle lift profile is extracted from the experiments and mass flow results are shown. The model ...
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Large eddy simulation of accelerated turbulent flow in a circular pipe
... a large-eddy simulations (LES) of pulsating channel flow and subsequently tested the capability of Reynolds-avegared Navier-Stokes (RANS) equa- tions ...
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An investigation of turbulent steady streaming by large eddy simulation
... In order to explore the effect of increased turbulent duration and intensity on steady streaming, a simulation was carried out at a Reynolds number higher than that studied by previous authors. In order to reduce the ...
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Large eddy simulation of turbulent flow over a rough surface
... Experimental observations (Krogstad and Antonia, 1994; Krogstad et al., 1992) show that roughness elements enhance the vertical intensity (normalised by u ∗ ) significantly over the wall, while the principal Reynolds ...
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Large eddy simulation of transonic turbulent flow over a bump
... linear eddy-viscosity model and Batten et ...lates. Large-eddy simulation (LES) has not been widely applied to shock/boundary-layer interaction ...
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Temporal Large Eddy Simulations of the Near Field of an Aircraft Wake
... DOI: 10.4236/ojfd.2018.82012 163 Open Journal of Fluid Dynamics analysis was followed by the analytical and experimental studies by Jacquin and Garnier [13], Gerz and Ehret [14] and Brunet et al. [15]. A Direct Numerical ...
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Large eddy simulation of sediment transport over rippled beds
... Abstract. Wave-induced boundary layer (BL) flows over sandy rippled bottoms are studied using a numerical model that applies a one-way coupling of a “far-field” inviscid flow model to a “near-field” large ...
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Large-eddy simulation of dust-uplift by a haboob density current
... Here, large-eddy simulations, which resolve the flow inside the density current much 16 better than these convection-permitting studies, have been performed to investigate the structure [r] ...
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Large-eddy simulation of spray combustion in a gas turbine combustor
... The paper describes the results of a comprehensive study of turbulent mix- ing, fuel spray dispersion and evaporation and combustion in a gas-turbine com- bustor geometry (the DLR Generic Single Sector Combustor) with ...
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Performance of high-order implicit large eddy simulations
... implicit Large Eddy Simulations (iLES) is investigated in conjunction with high-order weighted essentially non-oscillatory schemes up to 11th-order of ...
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Automated tracking of shallow cumulus clouds in large domain, long duration large eddy simulations
... in large eddy simulations (LES) models, which make use of the self- similar power law spectrum in the inertial subrange of tur- bulence for the closure, one could make use of the cloud size distribution to ...
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Large-eddy Simulations of the Convective and Evening Transition Planetary Boundary Layers
... 3 A Nested Grid Large-Eddy Simulation of the Convective Planetary Boundary Layer 89 3.1 Introduction.. 95.[r] ...
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Large-eddy Simulation of Turbulent Boundary Layers with Spatially Varying Roughness
... One of the key studies investigating the effect of roughness transition in wall-bounded flows is attributed to Antonia and Luxton [3, 4]. They conducted experiments of rough-smooth and smooth-rough wall transition, using ...
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Large eddy simulation of microbubble transport in a turbulent horizontal channel flow
... Liquid-gas multiphase flows occur in many engineering and environmental applications, with the former ranging from the flow of oil and gas in pipelines, of steam and water in nuclear reactors and steam generators, and ...
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Large Eddy Simulation of Deposition of Anisotropic Particles in a Turbulent Channel Flow
... of large particles close to the walls in regime 3 (Sun et al, ...or large eddy simulation (LES), together with sub-grid scale (SGS) ve- locity fluctuation contributions (Njobuenwu and Fairweather, ...
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UCLALES–SALSA v1.0: a large-eddy model with interactive
... new large-eddy simulation (LES) model, coupled with an interactive sectional description for aerosols and clouds, is ...UCLA Large-Eddy Simulation Code (UCLALES) and the Sectional Aerosol ...
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Large eddy simulations of wake-stabilised flares
... the Large Eddy Simulation (LES) technique to simulate the flames of wake-stabilised flares in order to investigate the potential benefits of using this technique to predict the combustion efficiency and ...
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Large-Eddy Simulations of Magnetohydrodynamic Turbulence in Heliophysics and Astrophysics
... the Large Eddy Simulation technique was developed for the simu- lation of HD turbulence of neutral fluids, particularly in the context of atmo- spheric and engineering applications (Meneveau and Katz 2000; ...
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Large eddy simulation of molecular mixing in a recirculating shear flow
... with large-scale structures interacting with each other and the solid ...shear-layer large-scale structure, and can alter the dynamics of the mixing ...
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Near-wall behaviour of implicit large eddy simulations
... Kokkinakis and Dimitris Drikakis Figure 3 shows the velocity profiles in wall units obtained by the different numerical schemes examined.. The LM correction provides a significant improv[r] ...
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