Results 181 to 190 of about 107,584 (238)
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Large Eddy Simulation (LES) for Steady-State Turbulent Flow Prediction
2014The aim of this work is to simulate a steady turbulent flow using the Large Eddy Simulation (LES) technique in computational fluid dynamics (CFD). The simulation was done using an in-house code developed in the programming platform of Visual C++. The Finite Volume Method was used to compute numerically the solutions of the Navier-Stokes equation under ...
T. Ganesan, M. Awang
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Parametric studies on acoustics of corrugated tubes using large eddy simulation (LES)
Noise Control Engineering Journal, 2014Airflow through a corrugated tubing can generate loud tonal sounds. The production of these tones, sometimes called as whistling, in a corrugated tubing is an interesting phenomenon because the presence of corrugations in a straight tube transforms the tube into an aerodynamic sound source that may produce significant tones and resonance responses ...
B. Rajavel, M.G. Prasad
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Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP), 2019
Extensive in situ measurements and modeling initiatives are planned to improve meteorological forecast in support of High Energy Laser (HEL) weapon operations. The key is to understand the atmospheric boundary layer processes affecting optical turbulence.
Qing Wang +5 more
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Extensive in situ measurements and modeling initiatives are planned to improve meteorological forecast in support of High Energy Laser (HEL) weapon operations. The key is to understand the atmospheric boundary layer processes affecting optical turbulence.
Qing Wang +5 more
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2020
In this paper, computational fluid dynamics (CFD) viscous flow simulation of BO-105 isolated helicopter rotor blades was simulated using commercially available STAR-CCM + software. The aim of these simulations is to capture the complex flow dynamics and blade vortex interaction (BVI) noise generation in hover configuration.
John Sherjy Syriac, Narayanan Vinod
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In this paper, computational fluid dynamics (CFD) viscous flow simulation of BO-105 isolated helicopter rotor blades was simulated using commercially available STAR-CCM + software. The aim of these simulations is to capture the complex flow dynamics and blade vortex interaction (BVI) noise generation in hover configuration.
John Sherjy Syriac, Narayanan Vinod
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A Large Eddy Simulation (LES) of Plate-Fin and Tube Heat Exchangers
2010 14th International Heat Transfer Conference, Volume 4, 2010Plate-fin and tube heat exchangers are extensively studied both experimentally and numerically. With a large eddy simulation technique (LES), this study performs a detailed investigation of the temporal oscillations of streamwise, spanwise and normal velocity components in the exchanger passage and their effects on heat transfer between fins and fluid.
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A family of large eddy simulation (LES) filters with nonuniform filter widths
Physics of Fluids, 1995In this Brief Communication a family of filters for large eddy simulation (LES) with nonuniform filter widths is constructed that commute with differentiation up to any given order.
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Emulating Wildfire Plume Injection Using Machine Learning Trained by Large Eddy Simulation (LES)
Environmental Science & TechnologyWildfires have a major influence on the Earth system, with costly impacts on society. Despite decades of research, wildfires are still challenging to represent in air quality and chemistry-climate models. Wildfire plume rise (injection) is one of those poorly resolved processes and is also a major source of uncertainty in evaluating the wildfire ...
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Large eddy simulation (LES) of supercritical turbulent jet
40th AIAA Aerospace Sciences Meeting & Exhibit, 2002N. Zong, H. Meng, S.-Y. Hsieh, V. Yang
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Large Eddy Simulation (LES) of wind-driven circulation in Lake Ledro
2014Lake Ledro (Trentino – Italy) is located at 652 with a surface of 2.1 km2, a volume of 68∙106 m3 and a maximum depth of 48 m. It is used as a reservoir for hydropower produces and is one of the main touristic resource for the surrounding areas. In the recent years it was affected by intense blooms of the harmful cyanobacterium Planktotrix rubescens ...
SANTO, MARCO ANTONIO +2 more
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