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Zhenjuan Xia, Hu Ma, Gaoyang Ge, Yong He and Changsheng Zhou
A disk-shaped rotating detonation engine with H2/air mixture was tested to identify the impact of combustor outlet geometry on the engine?s operating characteristics. Three combustor outlet diameters and five outlet lengths are employed in the experiment...
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Dongsuk Kim, Majid Asli and Klaus Höschler
As the issue of pollutant emissions from aviation propulsion escalates, research into alternative powertrains is gaining momentum. Two promising technologies are the Hybrid Electric Propulsion System (HEPS) and Pressure Gain Combustion (PGC). HEPS is exp...
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Yang Wang, Cheng Tian and Pengfei Yang
Ozone addition presents a promising approach for optimizing and regulating both combustion and ignition mechanisms. In Rotating Detonation Engines (RDEs), investigating the impact of ozone addition is particularly important due to the fact of their uniqu...
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In-Hoi Koo, Keon-Hyeong Lee, Min-Su Kim, Hyung-Seok Han, Holak Kim and Jeong-Yeol Choi
Fuel injection and mixing affect the characteristics of detonation initiation and propagation, as well as the propulsion performance of rotating detonation engine (RDE). A study on the injector is carried out in the present investigation. A rectangular-s...
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Lisong Shi, E Fan, Hua Shen, Chih-Yung Wen, Shuai Shang and Hongbo Hu
A three-dimensional upwind conservation element and solution element method (CESE) in cylindrical coordinates is first developed to effectively solve the unsteady reactive Euler equations governing a hydrogen?air rotating detonation engine (RDE) with coa...
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Jae-Hyuk Lee, Jae-Hoon Ryu, Eun-Sung Lee, Hyung-Seok Han and Jeong-Yeol Choi
A noncircular engine cross-section could provide great flexibility in the integration of propulsion into the airframe. In this work, a tri-arc RDE was constructed and tested as an example of noncircular cross-sectioned RDE. The operational characteristic...
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Igor O. Shamshin, Vladislav S. Ivanov, Viktor S. Aksenov, Pavel A. Gusev, Konstantin A. Avdeev and Sergey M. Frolov
Rotating detonation engines (RDEs) are considered to be promising thrusters for aerospace propulsion. Detonation initiation in RDEs can be accompanied by a destructive explosion of an excess volume of the fuel mixture in the combustor. To exclude this ph...
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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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Noraiz Mushtaq, Gabriele Colella and Paolo Gaetani
Pressure gain combustion is a promising alternative to conventional gas turbine technologies and within this class the Rotating Detonation Engine has the greatest potential. The Fickett?Jacobs cycle can theoretically increase the efficiency by 15% for me...
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Valeriy F. Nikitin,Yurii G. Filippov,Lyuben I. Stamov,Elena V. Mikhalchenko
Pág. 76 - 85
A rotating detonation engine (RDE) combustion chamber was modeled in the work numerically using 3D geometry. The RDE is a new type of engines capable to create higher thrust than the traditional ones, which are based on the combustible mixture deflagrati...
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