The first aviation engine has been developed to achieve speeds exceeding 18,000 kilometers per hour.
Chinese researchers have announced the successful testing of the "world's first" oblique detonation engine. This engine is capable of propelling an aircraft to speeds exceeding 18,000 kilometers per hour, utilizing standard aviation kerosene.
2025-02-27 10:01:17https://naked-science.ru/community/1033853
As reported by the South China Morning Post, the oblique detonation engine has successfully completed a series of ground tests in the Beijing shock tunnel JF-12, which simulates flight conditions at high speeds over 40 kilometers above the Earth's surface.
Results published in the Journal of Experiments in Fluid Mechanics indicate a combustion speed significantly higher than that of traditional scramjet engines, with operational capabilities ranging from M=8 to M=15 (Mach number).
Engineers found that, unlike hypersonic scramjet engines that require bulky combustion chambers, adding a five-millimeter protrusion to the surface of the engine's air intake can facilitate the ignition of kerosene while maintaining the compactness of the chamber.