Results 21 to 30 of about 1,494,380 (180)

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

open access: yesAIP 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]

open access: yesJournal 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

A Numerical and Analytical Study of Detonation Diffraction [PDF]

open access: yes, 2003
An investigation of detonation diffraction through an abrupt area change has been carried out via two-dimensional, parallel simulations. The existence of critical conditions for successful diffraction is closely related to the occurrence of localized re ...
Arienti, Marco
core   +1 more source

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

open access: yesApplied 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   +5 more
doaj   +1 more source

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

open access: yesEnergy 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   +4 more
doaj   +1 more source

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

open access: yesFrontiers 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   +2 more
doaj   +1 more source

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

open access: yesAIP 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   +6 more
doaj   +1 more source

Thrust characteristics research on continuous rotating detonation engine

open access: yesCase Studies in Thermal Engineering, 2023
Detonation combustion can produce pressure enhancement effect, increasing engine thrust. In this paper, a 2D Euler control equation with chemical reaction is used to solve the periodic flow of the detonation wave in a rectangular plane. The combustion of
Qingwu Wang, Shihui Zhang
doaj   +1 more source

Effect of combustion chamber diameter size on scramjet rotating detonation under high Mach number flow conditions

open access: yesAIP Advances, 2023
This study conducted 3D numerical simulations to investigate the impact of combustion chamber diameter on the combustion characteristics of liquid kerosene scramjet rotating detonation under high Mach number flow conditions (Ma6/28 km). After ignition, a
Chen Shu   +5 more
doaj   +1 more source

Planar Reflection of Gaseous Detonation [PDF]

open access: yes, 2013
Pipes containing flammable gaseous mixtures may be subjected to internal detonation. When the detonation normally impinges on a closed end, a reflected shock wave is created to bring the flow back to rest.
Jason Scott Damazo, Damazo, Jason Scott
core   +1 more source

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