Shock oscillation in highly underexpanded jets*

Project supported by the National Natural Science Foundation of China (Grant No. 11602028) and the Science and Technology Project of General Administration of Quality Supervision Inspection and Quarantine of China (Grant Nos. 2017QK119 and 2017QK188).

Li Xiao-Peng1, †, Zhou Rui2, Chen Xiao-Ping3, Fan Xue-Jun4, Xie Guo-Shan1
       

(color online) Pressure history on either side of the jets at (a) NPR = 5.60, y/D = 2, (b) NPR = 5.60, y/D = 6, (c) NPR = 9.34, y/D = 2, and (d) NPR = 9.34, y/D = 6. The red pressure curves are sampled at x/D = 1 and z/D = 0, while the blue pressure curves are sampled at x/D = −1 and z/D = 0.