Results 1 to 10 of about 103 (97)

Numerical Investigation of Contact Burning in an Air-Breathing Continuous Rotating Detonation Engine

International Journal of Aerospace Engineering, 2022
Three-dimensional (3D) numerical simulations of a continuous rotating detonation engine are carried out with an unsteady Reynolds-averaged Navier-Stokes solver.
Dapeng Xiong, Mingbo Sun, Haoyang Peng, Yanan Wang, Yixin Yang, Hongbo Wang, Jiangfei Yu, Zhenguo Wang   +7 more
doaj   +2 more sources

Investigation of the Pressure Gain Characteristics and Cycle Performance in Gas Turbines Based on Interstage Bleeding Rotating Detonation Combustion [PDF]

Entropy, 2019
To further improve the cycle performance of gas turbines, a gas turbine cycle model based on interstage bleeding rotating detonation combustion was established using methane as fuel.
Lei Qi, Zhitao Wang, Ningbo Zhao, Yongqiang Dai, Hongtao Zheng, Qingyang Meng   +5 more
doaj   +2 more sources

Effects of Diverging Nozzle Downstream on Flow Field Parameters of Rotating Detonation Combustor

Applied Sciences (Switzerland), 2019
In this study, three-dimensional numerical studies have been performed to investigate the performance of a rotating detonation combustor with a diverging nozzle downstream.
Ningbo Zhao, Hongtao Zheng
exaly   +3 more sources

Numerical investigation on the interactions between rotating detonation wave complex and planar turbine cascade

Energy Science & Engineering, 2023
Due to pressure gain characteristics, the rotating detonation combustor (RDC) can be integrated into gas turbines by further improving the system's performance. The matching of unsteady flows in the RDC and turbine is a key challenge.
Qun Li, Yuwen Wu, Yiqing Xia, Xiang Li, Chunsheng Weng   +4 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

Performance analysis of a rotating detonation model for future thermal power system using hydrogen as fuel

Energy Reports, 2022
The thermodynamic cycles of the detonation combustion could potentially deliver a performance increase of 20% beyond the conventional deflagration combustor such as gas turbines and ramjets, thus the detonative combustor is a prospective technology for ...
Mengmeng Zhao, Linqing Zhang, Weiye Huo, Hongyu Yang, Yixiang Yuan   +4 more
doaj   +1 more source

Deflagration-to-Detonation Transition in a Semi-Confined Slit Combustor Filled with Nitrogen Diluted Ethylene-Oxygen Mixture

Energies, 2023
The conditions for the mild initiation of the detonation of homogeneous stoichiometric ethylene-oxygen mixtures diluted with nitrogen up to ~40%vol.
Igor O. Shamshin, Vladislav S. Ivanov, Viktor S. Aksenov, Pavel A. Gusev, Sergey M. Frolov   +4 more
doaj   +1 more source

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   +1 more source

Experimental Investigation of a Cylindrical Air-Breathing Continuous Rotating Detonation Engine with Different Nozzle Throat Diameters

Aerospace, 2022
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 ...
Guangyu Wang, Shijie Liu, Haoyang Peng, Weidong Liu   +3 more
doaj   +1 more source

Investigation on C2H4-Air combustion mode in a non-premixed rotating detonation combustor

Propulsion and Power Research, 2022
Based on the working characteristics of the rotating detonation combustor, the combustion mode of C2H4-Air under non-premixed injection conditions is experimentally studied in this paper.
Shengbing Zhou, Hu Ma, Yuan Ma, Changsheng Zhou, Ning Hu   +4 more
doaj   +1 more source