With the boom in deep space exploration by China since the beginning of the 21st century,the demand for high-enthalpy hypersonic shock tunnels has continued to increase.In this paper,three types of shock tunnels using...With the boom in deep space exploration by China since the beginning of the 21st century,the demand for high-enthalpy hypersonic shock tunnels has continued to increase.In this paper,three types of shock tunnels using free-piston,heated light-gas,and detonation drivers,respectively,are briefly summarized and compared.The development of large-scale hypersonic shock tunnels running in both backward and forward detonation driver modes is described in detail.A series of applications to hypersonic flow tests with engineering-scale test models demonstrate the success and advantages of this kind of shock tunnels.The challenges that arise in the operation of hypersonic tunnels are stressed,as are the requirements for precise measurement techniques in the harsh testing environments existing in these tunnels.A new approach for the development of next-generation detonation-driven high-enthalpy shock tunnels is recommended to address these challenges.展开更多
基金co-supported by the National Natural Sci-ence Foundation of China(Grant Nos.12172365,12072353,and 12132017)。
文摘With the boom in deep space exploration by China since the beginning of the 21st century,the demand for high-enthalpy hypersonic shock tunnels has continued to increase.In this paper,three types of shock tunnels using free-piston,heated light-gas,and detonation drivers,respectively,are briefly summarized and compared.The development of large-scale hypersonic shock tunnels running in both backward and forward detonation driver modes is described in detail.A series of applications to hypersonic flow tests with engineering-scale test models demonstrate the success and advantages of this kind of shock tunnels.The challenges that arise in the operation of hypersonic tunnels are stressed,as are the requirements for precise measurement techniques in the harsh testing environments existing in these tunnels.A new approach for the development of next-generation detonation-driven high-enthalpy shock tunnels is recommended to address these challenges.
