The flow visualization technique using shear-sensitive liquid crystal is applied to the investigation of a Mach 2 internal supersonic flow with pseudo-shock wave (PSW) in a pressure-vacuum supersonic wind tunnel.

• 在一个压力-真空超声速风洞中,剪切应力敏感液晶流动可视化技术被应用来研究方管内马赫数2拟似冲击波(pseudo shockwave)的超声速流动。