Numerical simulation on evolution of subharmonic low-speed streaks in minimal channel turbulent flo

• 作 者: 李健 董刚
• 机 构: StateKeyLaboratoryofTransientPhysics
• 出 处: 应用数学和力学：英文版
• 发表日期: 2013年9期
• 关键词: 直接数值模拟 湍流边界层 条纹细分 次谐波 低速 演变 通道 切比雪夫 low-speed streak streamwise vortice instab
• 基金项目: Project supported by the National Natural Science Foundation of China （No. 11202102）, the Inno- vation Project for College Graduates of Jiangsu Province （No. CXZZ13_0189）, and the Specialized Research

The evolution of low-speed streaks in the turbulent boundary layer of the minimum channel flow unit at a low Reynolds number is simulated by the direct numerical simulation(DNS) based on the standard Fourier-Chebyshev spectral method.The subharmonic sinuo