In the present paper,we present an investigation on the effect of roughness elements onto near-wall kinematics of a zero......

本文以圆湍射流为对象，研究了初始扰动参数的改变对湍流拟序结构发展的影响，当雷诺数Ｒｅ＝２９３８，５６４０，１１７５０，以及扰动Ｓｔｒｏｕｈａｌ（Ｓｒ）数在０－０．９范围变化时，通过流场显示，对射流喷口......