A study on large coherent structures and noise emission in a turbulent round jet

• 作 者: WAN ZhenHua ZHOU Lin SUN DeJun
• 机 构: DepartmentofModernMechanics
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2014年8期
• 关键词: 主动噪声 大涡结构 LYAPUNOV指数 圆射流 可视化显示 排放 相干结构 概率密度函数 turbulent round jet coherent stru
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant Nos. 11072238 and 11232011） and the lll Project of China （Grant No. B07033）. All calculations have been done with the

A moderate Reynolds number,and high subsonic turbulent round jet is investigated by large eddy simulation.The detailed results(e.g.mean flow properties,turbulence intensities,etc.)are validated against the experimental data,and special attention is paid t