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
Application of Steady and Unsteady Detonation Waves to Propulsion [PDF]
The present work investigates the applications of steady and unsteady detonation waves to air-breathing propulsion systems. The efficiency of ideal detonation-based propulsion systems is first investigated based on thermodynamics.
Wintenberger, Eric
core +1 more source
A Numerical and Analytical Study of Detonation Diffraction [PDF]
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
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Numerical Investigation of Contact Burning in an Air-Breathing Continuous Rotating Detonation Engine
Three-dimensional (3D) numerical simulations of a continuous rotating detonation engine are carried out with an unsteady Reynolds-averaged Navier-Stokes solver.
Dapeng Xiong +7 more
doaj +1 more source
Numerical modelling of pressure rise combustion for reducing emissions of future civil aircraft [PDF]
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 +6 more sources
Detonation Induced Strain in Tubes [PDF]
When a detonation wave propagates through a piping system, it acts as a traveling pressure load to the pipe wall. The detonation wave must be followed by an expansion wave in order to bring the combustion products to zero velocity at the ignition end ...
Karnesky, James Alan
core +1 more source
Effects of Reversed Shock Waves on Operation Mode in H2/O2 Rotating Detonation Chambers
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 +2 more
doaj +1 more source
Effects of Diverging Nozzle Downstream on Flow Field Parameters of Rotating Detonation Combustor
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
Detonation Diffraction in Mixtures with Various Degrees of Instability [PDF]
Planar laser induced fluorescence (PLIF) is widely used in combustion diagnostics but has only recently been successfully applied to detonation. The strong spatial variations in temperature, pressure, and background composition under these conditions ...
Pintgen, Florian Peter
core +1 more source
Influence of Oxygen Content on the Operating Characteristics of a Disk-shaped Rotating Detonation Engine [PDF]
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

