1. National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang 621010, P. R. China
2. Sichuan College of Architectural Technology, Deyang, Sichuan 618000, P. R. China
3. High Speed Aerodynamic Institute, China Aerodynamics Research and Development Center, Mianyang, Sichuan 621000, P. R. China