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Seung-Min Jeong, Hyung-Seok Han, Bu-Kyeng Sung, Wiedae Kim and Jeong-Yeol Choi
This study numerically investigated the combustion instability and characteristics of a laboratory-scale gaseous hydrogen-fueled scramjet combustor. For this purpose, a numerical simulation with an improved detached eddy simulation and a detailed hydroge...
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Min-Su Kim, In-Hoi Koo, Keon-Hyeong Lee, Eun-Sung Lee, Hyung-Seok Han, Seung-Min Jeong, Holak Kim and Jeong-Yeol Choi
This experimental investigation focused on the ignition and combustion characteristics of a tandem cavity-based scramjet combustor with side-by-side identical cavities. This study utilized the Pusan National University-direct connect scramjet combustor (...
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Jin Gao, Ziyi Kang, Weiheng Sun, Youyin Wang, Junlong Zhang and Wen Bao
With the in-depth research on hypersonic aerodynamics and hypersonic propulsion technology, humans are growing closer to space travel. Recent studies have shown that the pre-cooled air-turborocket (ATR) or turboexpander engines are some of the potential ...
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Jian Liu, Mengyao Xu, Pengchao Liu and Wenxiong Xi
At an extremely high Mach number, the regenerative cooling of traditional kerosene cannot meet the requirement of the heat sink caused by aerodynamic heating and internal combustion in a scramjet propulsion system. As a supplement of traditional regenera...
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Yi Han, Chibing Shen, Zhaobo Du and Haoran Tang
In the scramjet engine, the injection and mixing of fuel are the basis for organizing efficient combustion. The shock wave/jet shear layer interaction is one of the methods used to enhance fuel mixing in supersonic flow. In this research, the effect of t...
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Jaewon Lee, Sang Gon Lee, Sang Hun Kang and Hyuck-Joon Namkoung
For successful scramjet engine operations, it is important to understand the mechanism of the inlet unstart phenomenon. Among various unstarted flow patterns in hypersonic inlets, the mechanism of low-amplitude oscillatory unstarted flow is still unclear...
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Guangyu Wang, Shijie Liu, Haoyang Peng and Weidong Liu
A continuous detonation engine with various exhaust nozzles, analogous to typical scramjet cavity combustors with variable rear-wall heights, was adopted to perform a succession of cylindrical air-breathing continuous rotating detonation experiments fuel...
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Jin Zhang, Qilin Zhou, Xudong Zhao, Yuguang Jiang and Wei Fan
Regenerative cooling is considered promising in the thermal protection of hypersonic propulsion devices such as SCRamjet. However, the heat transfer deterioration (HTD) of hydrocarbon fuel is a severe threat to the thermal structure safety, especially un...
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