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Renormalized theory of drift turbulence in plasma shear flows

机译:等离子剪切流中漂移湍流的重新归一化理论

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摘要

The integrated non-modal linear and renormalized nonlinear analysis of the temporal evolution of drift-type modes in plasma flows with a homogeneous velocity shear is developed. Analysis is performed in the time domain without spectral decomposition in time. It is proved that a long-standing belief that the enhanced decorrelation of the fluctuation by shear flow is the universal process in the turbulence quenching in shear flow is erroneous. In fact, the theory has a serious deficiency that renders it useless.
机译:建立了均质速度剪切作用下等离子流中漂移型模态时间演化的综合非模态线性和归一化非线性分析。在时域中执行分析,而不会在时间上进行频谱分解。事实证明,长期以来认为剪切流起伏增加的去相关是剪切流湍流猝灭的普遍过程是错误的。实际上,该理论存在严重缺陷,使其无用。

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