Combustion Flow in Scramjet

Dear Colleagues, 

Hypersonic vehicles, known as the third revolutionary achievement in aviation history after the propeller and turbojet aircrafts, constitute the strategic development direction of future military and civil aviation spacecraft. Scramjet is the preferred propulsion device for hypersonic vehicles. It is characterized by simple structure, easy maintenance, and good safety performance. It has good cruise performance in the Mach number range of 5-7. Its related technology is currently one of the hottest research fields.

Through the continuous research of scramjet technology conducted by various countries, the speed of hypersonic vehicles has been constantly increasing, and the flight speed of the state-of-the-art X-43 vehicle has reached Ma 9.8. Hypersonic cruise technology has made significant breakthroughs. In order to further apply scramjet to round-trip transportation systems, researchers in various countries have continuously widened its working speed range: The lower Mach number of scramjet strives to break through the lower limit to Mach 2.0-2.5, and the higher Mach number of scramjet strives to break through the upper limit to Mach 12.0-15.0. As a result, a series of key scientific problems have arisen, and it is urgent to continue to make breakthroughs in fuel/air mixing, ignition, flame stabilization, materials, structure, control, artificial intelligence, and thermal protection technologies in scramjet. This Special Issue focuses on recent advances in the study of combustion flow in scramjet.

Prof. Dr. Ye Tian
Dr. Ji Li
Guest Editors

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