Unified Turbulence Closure Model for Axisymmetric and Planar Free Shear Flows

David F. Robinson; Julius E. Harris; H. A. Hassan

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Unified Turbulence Closure Model for Axisymmetric and Planar Free Shear Flows

机译：轴对称和平面自由剪切流的统一湍流闭合模型

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摘要

A new two-equation turbulence model based on the exact turbulent kinetic energy and the variance of vorticity or enstrophy equations is developed and used to calculate planar and axisymmetric free shear flows. It is shown that one set of model constants reproduces available growth rates and similarity profiles of velocity and shear stress. In general, agreement is well within the scatter of experimental data.

机译：基于精确的湍动能以及涡度或涡旋方程的方差，建立了一个新的两方程湍流模型，并将其用于计算平面和轴对称自由剪切流。结果表明，一组模型常数再现了可用的增长率以及速度和切应力的相似性。通常，一致性完全在实验数据的分散范围内。

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来源
《AIAA Journal》 |1995年第12期|p. 2325-2331|共7页
作者
David F. Robinson; Julius E. Harris; H. A. Hassan;
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作者单位

North Carolina State University, Raleigh, North Carolina 27695-7910;

NASA Langley Research Center, Hampton, Virginia 23681-0001;

North Carolina State University, Raleigh, North Carolina 27695-7910;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类航空、航天;
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Unified Turbulence Closure Model for Axisymmetric and Planar Free Shear Flows

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