一様流中で回転する円柱の後流構造 : 第2報,乱流構造およびエネルギ分布

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This paper describes the structure of the energy. Reynolds stress and intermittency in the wake of the spinning cylinder. The energy of the fluctuating velocity was decomposed into the regular flactuating component associated with the fundamental vortical structure and random fluctuating one contributed to he random fluctuating velocity. The level of each energy rapidly decreases when the spin parameter s exceeds 0.8 and becomes negligibly small over s≈1.7; the s values are well correlated with the trend of the cortical structure described in the former paper. The difference between the energy levels of the shedding vortices from both sides of the spinning cylinder suggests that the amount of the turbulent production at the saddle points depends on the strength of the rib between two consecutive vortex rolls.
1989-01-25