A One-Equation-Type Subgrid-Scale Model Including No Length Scale

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概要

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• A subgrid-scale (SGS) model, based on a non-equilibrium model and described by SGS kinetic energy for large-eddy simulations, is presented. The objective of this study is to propose a one-equation-type SGS model including no length scale, unlike the conventional model, and to verify its performance by comparison with other models. For this objective, we apply these models to a plane channel turbulent flow and Rayleigh--Bénard convection. The proposed model can suitably predict the mean velocity and the mean temperature, and it can estimate bulk velocity and Nusselt number values more accurately than the other models on a coarse grid, which indicates its usability as an SGS model.

• 2013-07-15

著者

• Koyama Shoji

  Institute of Industrial Science, University of Tokyo, Meguro, Tokyo 153-8505, Japan

関連論文

• A One-Equation-Type Subgrid-Scale Model Including No Length Scale

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