导航

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2022, Vol. 43 ›› Issue (7): 25357.doi: 10.7527/S1000-6893.2021.25357

• Reviews • Previous Articles     Next Articles

Progress in hypersonic boundary layer transition delay control

LIU Qiang1,2, TU Guohua1, LUO Zhenbing2, CHEN Jianqiang1, ZHAO Rui3, YUAN Xianxu1   

  1. 1. State Key Laboratory of Aerodynamics, China Aerodynamics Research and Development Center, Mianyang 621000, China;
    2. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;
    3. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China
  • Received:2021-02-04 Revised:2021-04-09 Online:2022-07-15 Published:2021-04-08
  • Supported by:
    National Natural Science Foundation of China (11772350, 92052301, 11872374, 11872116); National Key R & D Program of China (2016YFA0401200)

Abstract: Due to the large difference between laminar flow and turbulent flow in wall friction and wall heat flow, the transition control of the hypersonic boundary layer is of vital importance to the aerodynamic performance and thermal protection system of vehicles. This paper first summarizes the main instability mechanisms of hypersonic boundary layers, followed by a review of the latest progress in the hypersonic boundary layer transition delay control technology from two aspects, namely, passive control and active control technologies. Passive control methods such as roughness elements, wavy wall, and porous coating are then introduced in detail, the active control measures such as wall heating/cooling and heavy gas injection described, the physical mechanism behind the control analyzed, and the advantages and disadvantages of various control technologies discussed. Finally, suggestions and prospects for further research on transition delay control are presented.

Key words: hypersonic flight vehicles, boundary layer transition, transition delay, flow control, drag and heat reductionhttp

CLC Number: