Results 11 to 20 of about 722,005 (275)

Comprehensive Performance Analysis for the Rotating Detonation-Based Turboshaft Engine

International Journal of Aerospace Engineering, 2020
The potential advantages of rotating detonation combustion are gradually approved, and it is becoming a stable and controllable energy conversion way adopted to the propulsion devices or ground-engines. This study focuses on the rotating detonation-based
Zifei Ji, Ruize Duan, Renshuai Zhang, Huiqiang Zhang, Bing Wang   +4 more
doaj   +2 more sources

Effects of Injector Configuration on the Detonation Characteristics and Propulsion Performance of Rotating Detonation Engine (RDE)

Aerospace, 2023
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.
In-Hoi Koo, Keon-Hyeong Lee, Min-Su Kim, Hyung-Seok Han, Holak Kim, Jeong-Yeol Choi   +5 more
doaj   +2 more sources

Numerical modelling of pressure rise combustion for reducing emissions of future civil aircraft [PDF]

, 2014
This work assesses the feasibility of designing and implementing the wave rotor (WR), the pulse detonation engine (PDE) and the internal combustion wave rotor (ICWR) as part of novel Brayton cycles able to reduce emissions of future aircraft.
Materano Blanco, Gilberto Ignacio
core   +7 more sources

Experimental investigation of inner flow of a throatless diverging rotating detonation engine [PDF]

, 2023
The inner flow containing the ignition process of a throatless and diverging (constant diverging angle α=5 deg) rotating detonation engine (RDE) was experimentally investigated by both optical observation and pressure measurement.
Matsuoka, Ken, Meyer, Terrence, Akira Kawasaki, Jiro Kasahara, James Braun, Hiroaki Watanabe, Ishihara, Kazuki, Braun, James, Akiko Matsuo, Guillermo Paniagua, Matsuo, Akiko, Terrence Meyer, Noboru Itouyama, Ken Matsuoka, Paniagua, Guillermo, Keisuke Goto, Goto, Keisuke, Nakata, Kotaro, Ikkoh Funaki, Watanabe, Hiroaki, Kasahara, Jiro, Kotaro Nakata, Kawasaki, Akira, Kazuki Ishihara, Itouyama, Noboru, Funaki, Ikkoh, Higashino, Kazuyuki, Kazuyuki Higashino   +27 more
core   +1 more source

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   +1 more source

Experimental Investigation of Detonation Propagation Modes and Thrust Performance in a Small Rotating Detonation Engine Using C₂H₄/O₂ Propellant

Energies, 2021
A small rotating detonation engine (RDE) model and the corresponding experimental setup were constructed for the experimental investigation of the detonation propagation characteristics and thrust performance of a circular RDE. Experiments were conducted
Hyung-Seok Han, Eun Sung Lee, Jeong-Yeol Choi   +2 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

Effects of slot injection on detonation wavelet characteristics in a rotating detonation engine [PDF]

, 2021
Two-dimensional numerical simulations are performed to investigate the effects of spatially discrete slot injection of reactants on the features of detonation wavelets in a rotating detonation engine (RDE). The detonation dynamics is described by a model
Yan, C., Ng, H.D., Teng, H.H.
core   +1 more source

Experimental Study on Propagation Characteristics of Kerosene/Air RDE with Different Diameters

Energies, 2022
A series of experimental tests were carried out in order to study the propagation characteristics of a liquid kerosene rotating detonation engine (RDE) with different diameters. Distinguished characteristics of spatial and temporal instability were found
Shida Xu, Feilong Song, Jianping Zhou, Xingkui Yang, Peng Cheng   +4 more
doaj   +1 more source

Influence of Oxygen Content on the Operating Characteristics of a Disk-shaped Rotating Detonation Engine [PDF]

Journal of Applied Fluid Mechanics
Rotating detonation engines (RDEs) are an advanced propulsion technology utilizing detonation combustion. RDEs have shown significant potential for substantially enhancing the performance of conventional propulsion systems due to their inherent ...
Z. Xia, H. Ma, B. Sun
doaj   +1 more source