Results 21 to 30 of about 6,939 (199)
Grid resolution assessment method for hybrid RANS-LES in turbomachinery
Engineering Applications of Computational Fluid Mechanics, 2022 Hybrid RANS-LES is a promising method for analyzing the complex flow structure in turbomachinery due to its excellent compromise between accuracy and computational cost.
Ruiyu Li +4 more
doaj +1 more source
Cutting-Edge Turbulence Simulation Methods for Wind Energy and Aerospace Problems
Fluids, 2021 The availability of reliable and efficient turbulent flow simulation methods is highly beneficial for wind energy and aerospace developments. However, existing simulation methods suffer from significant shortcomings.
Stefan Heinz +2 more
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Hybrid RANS/LES of plane jets impinging on a flat plate at small nozzle-plate distances [PDF]
, 2012 A k-omega BASED HYBRID RANS/LES (Reynolds-averaged Navier-Stokes/large eddy simulation) model is tested for simulation of plane impinging jets at various nozzle-plate distances (H/B), where H is the distance and B is the slot's width) and various ...
Degroote, Joris +4 more
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Reynolds stress constrained large eddy simulation of separation flows in a U-duct
Propulsion and Power Research, 2014 This paper presents Reynolds stress constrained large eddy simulation (RSC-LES) method applied to a U-duct flow. Different from traditional Reynolds-averaged Navier-Stokes/detached eddy simulation (RANS/DES) hybrid method (including DES method), the RSC ...
Quanyong Xu, Yantao Yang
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The prospect of using LES and DES in engineering design, and the research required to get there [PDF]
, 2014 In this paper we try to look into the future to divine how large eddy and detached eddy simulations (LES and DES, respectively) will be used in the engineering design process about 20-30 years from now.
Larsson, Johan, Wang, Qiqi
core +1 more source
Energies, 2019 Accurate prediction of pollutant dispersion is vital to the energy industry. This study investigated the Computational Fluid Dynamics (CFD) simulation of pollutant emission in a natural draft dry cooling tower (NDDCT) with flue gas injection. In order to
Guangjun Yang +9 more
doaj +1 more source
State of the Art in the Optimisation of Wind Turbine Performance Using CFD [PDF]
, 2019 Wind energy has received increasing attention in recent years due to its sustainability and geographically wide availability. The efficiency of wind energy utilisation highly depends on the performance of wind turbines, which convert the kinetic energy ...
Haghnegahdar, Mohammad Amin +5 more
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A Deep Learning-Based Mapping Model for Three-Dimensional Propeller RANS and LES Flow Fields
Applied SciencesIn this work, we propose a deep learning-based model for mapping between the data of the flow field of the propeller generated by the Reynolds-averaged Navier–Stokes (RANS) and those generated by Large Eddy Simulation (LES).
Jianhai Jin +5 more
doaj +1 more source
Oil & Gas Science and Technology, 2006 Advances in physical models, numerical methods, and computational power together have brought large-eddy simulation (LES) to the point where it warrants serious consideration for computing in-cylinder turbulent flows.
Haworth D. C.
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Mathematical Methodology and Metallurgical Application of Turbulence Modelling: A Review
Metals, 2021 This paper focusses on three main numerical methods, i.e., the Reynolds-Averaged Navier-Stokes (RANS), Large Eddy Simulation (LES), and Direct Numerical Simulation (DNS) methods. The formulation and variation of different RANS methods are evaluated.
Yannan Wang +4 more
doaj +1 more source