However, the announcement made by the Chinese Academy of Sciences, according to which such an engine, powered by aviation fuel, would have been successfully tested in the hypersonic tunnel JF-12 in Beijing, deserves special attention, especially since Chinese engineers announce that the engine would be able to reach a speed of Mach 9. Were currently adding more content to the game before we.
This approach is not, strictly speaking, new, the first device equipped with a pulsed detonation wave engine having demonstrated its effectiveness in 2008. We launched Airborne Kingdom in 2020, a BAFTA-nominated blend of city builder and exploration. But another technology emerged about ten years ago, to meet the hypersonic challenge, that of oblique detonation engines, which replace the classic combustion of the air-fuel mixture, by a succession of detonations of this same mixture, generating a considerably higher energy release, while being less sensitive to the speed of the air, allowing to reach, theoretically, significantly higher speeds than the Scramjet, with an energy performance, therefore an autonomy, much higher. The Airborne Kingdom wants to be Laputa, Studio Ghibli's Castle in the Sky, but there's more than a whiff here of the urban predators of Philip Reeve's Mortal Engines. The Scramjet, or superstatoreactor, is used today by the Russian hypersonic anti-ship missile Tzirkon, and several countries are actively working to develop this technology to equip their cruise missiles with it. Unlike Russia, China never presents equipment that is not already operational and in service during its (rare) military parades. In October 2019, the People's Liberation Army presented its DF17 hypersonic missile for the first time, topped with a hypersonic glider.
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