时间演化分形流场的直接数值模拟

石均,邱颖宁,周毅

Direct numerical simulation of temporally evolving fractal-generated turbulence

Jun SHI,Ying-ning QIU,Yi ZHOU

图 16 中心线上流向脉动速度偏导数的偏斜度和平坦度的时间演化

Fig.16 Temporal evolution of skewness and flatness of streamwise fluctuating velocity partial derivatives on centerline