Statistical Approach to Inhomogeneous Trubulence with Unidirectional Mean Flow: Evaluation of Reynolds Stress
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概要
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Statistical analysis is made of the inhomogeneous turbulence with unidirec-tional mean flow in infinite fluid. The velocity is assumed to depend on thecoordinate normal to the flow. Considering that the space variation of the meanflow is small compared with that of the fluctuating one, twc>space scales corre-sponding to mean and fluctuating flows are introduced into the Navier-Stokesequations. The direct-interaction approximation is applied to the equation thusfound, and Reynolds stress is evaluated. Results obtained are applied to thecalculation of grid-scale Reynolds stress used frequently in a numerical simulationof turbulent flows.
- 社団法人日本物理学会の論文
- 1979-02-15
著者
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Yoshizawa Akira
Institute For Industrial Science University Of Tokyo
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Yoshizawa Akira
Institute Of Science University Of Tokyo
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