One-point velocity statistics in decaying homogeneous isotropic turbulence.

One-point velocity statistics in decaying homogeneous isotropic turbulence.
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衰减均匀各向同性湍流中的一点速度统计。

DOI:
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发表时间:
2008
期刊:
Physical review. E, Statistical, nonlinear, and soft matter physics
影响因子:
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通讯作者:
I. Hosokawa
I. Hosokawa
中科院分区:
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文献类型:
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作者:
I. Hosokawa

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本文对衰减均匀各向同性湍流多点速度概率密度函数的Monin-Lundgren方程族进行了合理的封闭,以处理单点速度分布的第一个方程。因此,我们自然会得到分布的两参数解族,它们是高斯分布。
A reasonable closure of the Monin-Lundgren hierarchy of equations for many-point probability density functions of velocity for decaying homogeneous isotropic turbulence is achieved to treat the first equation for the one-point velocity distribution. As a result, we are naturally led to a two-parameter family of solutions for the distribution, which are Gaussian.