Large Eddy Simulation (LES) for IC Engine Flows

被引：32
作者：
Kuo, Tang-Wei [1 ]
Yang, Xiaofeng [1 ]
Gopalakrishnan, Venkatesh [1 ]
Chen, Zhaohui [1 ]
机构：
[1] Gen Motors Global Res & Dev, Warren, MI USA
来源：
OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES | 2014年 / 69卷 / 01期
关键词：
TURBULENT FLOWS; MODEL;
D O I：
10.2516/ogst/2013127
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Large Eddy Simulation (LES) for IC Engine Flows - Numerical computations are carried out using an engineering-level Large Eddy Simulation (LES) model that is provided by a commercial CFD code CONVERGE. The analytical framework and experimental setup consist of a single cylinder engine with Transparent Combustion Chamber (TCC) under motored conditions. A rigorous working procedure for comparing and analyzing the results from simulation and high speed Particle Image Velocimetry (PIV) experiments is documented in this work. The following aspects of LES are analyzed using this procedure: - number of cycles required for convergence with adequate accuracy; - effect of mesh size, time step, sub-grid-scale (SGS) turbulence models and boundary condition treatments; - application of the proper orthogonal decomposition (POD) technique.
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收藏
页码：61 / 81
页数：21
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