At the exit of the bluff-body, recirculation area is formed because of the negative downstream axial velocity.
2
采用水模拟氢气泡流动显示的方法对开缝钝体近尾流结构进行了实验研究。
By the method of water flow pattern visualization with hydrogen bubbles, the near wake flow behind a slit bluff body has been experimentally studied.
3
本文对装有钝体火焰稳定器的加力燃烧室燃烧效率特性进行了数值分析和实验研究。
This paper presents the combustion efficiency characteristics of an afterburner with bluff-body flame holders investigated with both numerical and experimental methods.