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EVALUATION OF MODIFIED TURBULENCE MODELS

机译:修正湍流模型的评估

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摘要

Developed for prediction of turbulent flux in second order closure equation, turbulent flux can be calculated by relation between turbulent kinetic energy (TKE) and dissipation equation. Four cases and 20 experiments show the length scale depends on the value of input data. Stability function increases significantly. Also, a covariance temperature has influence on stability function for heat (Sh) and w'~2. The turbulent kinetic energy has the strongest influence with heat flux, momentum flux in x- and y-directions, and dissipation.
机译:为预测二阶封闭方程中的湍流而开发,可以通过湍动能(TKE)与耗散方程之间的关系来计算湍流。 4个案例和20个实验表明,长度比例取决于输入数据的值。稳定性功能大大提高。同样,协方差温度对热(Sh)和w'〜2的稳定性函数有影响。湍动能对热通量,x和y方向的动量通量以及耗散影响最大。

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