1. Science and Technology on Scramjet Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China
2. Aerodynamics Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 2, Delft 2629, The Netherlands
3. Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Roma 00184, Italy