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- W3043135619 endingPage "95" @default.
- W3043135619 startingPage "86" @default.
- W3043135619 abstract "The Oblique Detonation Wave Engine is expected to propel the aircraft to hypersonic speeds. Currently available studies are mainly focused on the initiation characteristics of the oblique detonation wave on a straight wedge. The control method is of great importance for a better thrust performance. However, there lacks the trigger location control method of the oblique detonation wave. In the current research, a co-flow hot jet is utilized to initiate the oblique detonation wave with an initiation length shorter than that on a straight wedge. The performance of the co-flow hot jet under different inflow pressures is discussed in detail. The mechanism for the initiation of the oblique detonation wave by the co-flow hot jet is revealed. It is found that the key for the initiation by the co-flow hot jet is an underexpanded jet, which is featured by a first jet shock wave, a second jet shock wave, an expansion fan, and an intercepting shock wave. The first and second jet shock waves are observed for the first time in the research of the oblique detonation wave. The strength of the first and second jet shock waves is higher than that of the leading shock wave, reducing the initiation length of the oblique detonation wave greatly. This investigation reveals the initiation mechanism of the oblique detonation wave by the co-flow hot jet, which is of great importance for its application in the Oblique Detonation Wave Engine." @default.
- W3043135619 created "2020-07-23" @default.
- W3043135619 creator A5027863256 @default.
- W3043135619 creator A5079723796 @default.
- W3043135619 date "2020-12-01" @default.
- W3043135619 modified "2023-10-16" @default.
- W3043135619 title "Study on the initiation characteristics of the oblique detonation wave by a co-flow hot jet" @default.
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- W3043135619 doi "https://doi.org/10.1016/j.actaastro.2020.07.015" @default.
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