Results 21 to 30 of about 53,996 (279)

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

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

Airbreathing Rotating Detonation Wave Engine Cycle Analysis

46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2010
Abstract A cycle analysis model for an airbreathing, rotating detonation wave engine (RDE) is presented. The engine consists of a steady inlet system with an isolator which delivers air into an annular combustor. A detonation wave continuously rotates around the combustor with side relief as the flow expands towards the nozzle.
Braun, Eric M, Lu, Frank K, Wilson, Donald R, Camberos, Jose A   +3 more
openaire   +2 more sources

Two-dimensional numerical study of two-phase rotating detonation wave with different injections

AIP Advances, 2019
Two-dimensional numerical simulations on the two-phase rotating detonation wave of a stoichiometric ratio of the air-octane mixture by the discrete phase model are performed.
Bo Sun, Hu Ma
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

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 Diverging Nozzle Downstream on Flow Field Parameters of Rotating Detonation Combustor

Applied Sciences, 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.
Chengwen Sun, Hongtao Zheng, Zhiming Li, Ningbo Zhao, Lei Qi, Hongbo Guo   +5 more
doaj   +1 more source

Numerical and boundary condition effects on the prediction of detonation engine behavior using detailed numerical simulations

Frontiers in Aerospace Engineering, 2023
High-fidelity numerical simulations of an experimental rotating detonation engine with discrete fuel/air injection were conducted. A series of configurations with different feed-plenum pressures but with constant equivalence ratio were studied.
Takuma Sato, Caleb Van Beck, Venkat Raman   +2 more
doaj   +1 more source

Propagation of gaseous detonation waves in a spatially inhomogeneous reactive medium [PDF]

, 2017
Detonation propagation in a compressible medium wherein the energy release has been made spatially inhomogeneous is examined via numerical simulation. The inhomogeneity is introduced via step functions in the reaction progress variable, with the local ...
Higgins, Andrew J., Kiyanda, Charles B., Mi, XiaoCheng, Ng, Hoi Dick, Nikiforakis, Nikolaos   +4 more
core   +2 more sources

Influences of thermal physical property parameters on operating characteristics of simulated rotating detonation ramjet fueled by C12H23

AIP Advances, 2022
Two-phase rotating detonation ramjets are considered to be suitable for aerospace applications due to their high thermodynamic cycle efficiency. These engines have an extremely complex internal flow field, in which the liquid fuel undergoes physical and ...
Chenglong Yan, Chen Shu, Jiafeng Zhao, Lingyu Su, Yiheng Tong, Qiaofeng Xie, Wei Lin   +6 more
doaj   +1 more source