Results 1 to 10 of about 1,494,380 (180)

Combustion Characteristics in Rotating Detonation Engines

International Journal of Aerospace Engineering, 2021
A lot of studies on rotating detonation engines have been carried out due to the higher thermal efficiency. However, the number, rotating directions, and intensities of rotating detonation waves are changeful when the flow rate, equivalence ratio, inflow
Yuhui Wang, Wenyou Qiao, JialingLe
doaj   +2 more sources

Experimental Study on the Propagation Characteristics of Rotating Detonation Wave with Liquid Hydrocarbon/High-Enthalpy Air Mixture

Aerospace, 2023
Rotating detonation engines (RDEs) are a promising propulsion technology featuring high thermal efficiency and a simple structure. To adapt the practical engineering applications of ramjet RDEs, rotating detonation combustion using a liquid hydrocarbon ...
Bingyue Jia, Yining Zhang, Hao Meng, Fanxiao Meng, Hu Pan, Yanji Hong   +5 more
doaj   +2 more sources

Experimental Research of Two-phase Rotating Detonation Combustor Operating with High Total Temperature Air [PDF]

Journal of Applied Fluid Mechanics, 2022
Experiments on a two-phase rotating detonation combustor operating with gasoline and high total temperature air were conducted to investigate the initiation characteristics, operation mode, and propagation characteristics of a two-phase rotating ...
G. Ge, Y. Ma, Z. Xia, H. Ma, L. Deng, C. Zhou   +5 more
doaj   +1 more source

Characteristics of rotating detonation wave fueled by liquid kerosene with increasing equivalence ratios

FirePhysChem, 2023
To investigate the characteristics of rotating detonation waves fueled by liquid kerosene with increasing equivalence ratios, the experiments were performed through increasing the supply of liquid kerosene under three different mass flow rates of ...
Haolong Meng, Baoxing Li, Guiyang Xu, Zhong Wang, Chunsheng Weng   +4 more
doaj   +1 more source

Descending Modal Transition Dynamics in a Large Eddy Simulation of a Rotating Detonation Rocket Engine

Energies, 2021
Rotating detonation rocket engines (RDREs) exhibit various unsteady phenomena, including modal transitions, that significantly affect their operation, performance and stability.
Armani Batista, Mathias C. Ross, Christopher Lietz, William A. Hargus   +3 more
doaj   +1 more source

Experimental Investigation on Two-Phase Rotating Detonation Fueled by Kerosene in a Hollow Directed Combustor

Frontiers in Energy Research, 2022
The operating characteristic of two-phase rotating detonation fueled by kerosene in a hollow combustor with the isolation section is experimentally studied. When the air mass flow rate is 1.5 kg/s, the equivalence ratio is 0.98, and the total temperature
Sainan Xue, Zhuojun Ying, Hu Ma, Changsheng Zhou   +3 more
doaj   +1 more source

Effects of Reversed Shock Waves on Operation Mode in H₂/O₂ Rotating Detonation Chambers

Energies, 2021
Operation modes are an important topic in the research of Rotating Detonation Chamber (RDC) as it can affect the stability of RDC. However, they have not been discussed in detail due to the limitation of measurement means in experiments.
Yanliang Chen, Xiangyang Liu, Jianping Wang   +2 more
doaj   +1 more source

Experimental study on the rotating detonation engine based on a gas mixture

Frontiers in Energy Research, 2023
A direct connection test of a rotating detonation engine was conducted. The outer and inner diameters of the annular combustors were 206 and 166 mm, respectively.
Sainan Xue, Xin Zhang, Jianlu Yang, Denghang Liu, Hu Ma, Changsheng Zhou   +5 more
doaj   +1 more source

Investigation of Rotating Detonation Fueled by Liquid Kerosene

Energies, 2022
The performance of rotating detonation engines (RDEs) is theoretically better than that of traditional aero engines because of self-pressurization. A type of swirl injection scheme is introduced in this paper for two-phase detonation.
Jianping Zhou, Feilong Song, Shida Xu, Xingkui Yang, Yongjun Zheng   +4 more
doaj   +1 more source

Numerical Study on the Two-Phase Detonation Flow Field of Coal Powder-Hydrogen in a Rotating Detonation Engine [PDF]

Hangkong bingqi
Rotating detonation engines (RDEs) have attracted significant attention in the aerospace field due to their high thermal cycle efficiency. This study explores the characteristics of rotating detonation in gas-solid mixed fuel within an air atmosphere.
Weng Chunsheng, Ni Xiaodong, Xu Han
doaj   +1 more source