Results 21 to 30 of about 4,315 (227)

Experimental Investigation on Two-Phase Rotating Detonation Fueled by Kerosene in a Hollow Directed Combustor

open access: yesFrontiers in Energy Research, 2022
The operating characteristic of two-phase rotating detonation fueled by kerosene in a hollow combustor with the isolation section is experimentally studied. When the air mass flow rate is 1.5 kg/s, the equivalence ratio is 0.98, and the total temperature
Sainan Xue   +3 more
doaj   +1 more source

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

open access: yesAerospace, 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   +3 more
doaj   +1 more source

Influence of Gaseous Hydrogen Addition on Initiation of Rotating Detonation in Liquid Fuel–Air Mixtures

open access: yesEnergies, 2020
Hydrogen is the most common molecule in the universe. It is an excellent fuel for thermal engines: piston, turbojet, rocket, and, going forward, in thermonuclear power plants. Hydrogen is currently used across a range of industrial applications including
Jan Kindracki   +4 more
doaj   +1 more source

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

open access: yesInternational 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   +7 more
doaj   +1 more source

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

open access: yes, 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.   +4 more
core   +2 more sources

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

Comprehensive Performance Analysis for the Rotating Detonation-Based Turboshaft Engine

open access: yesInternational 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   +4 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

Experimental Study on the Propagation Characteristics of Rotating Detonation Wave with Rich Combustion Gas in Solid Ram Engine [PDF]

open access: yesHangkong bingqi
In order to study the rotational detonation characteristics of rich combustion gas in solid ramjet engines, this paper replaces solid rich combustion gas with CH4/CO/H2 mixture as fuel and uses ambient temperature air as oxidant to investigate the ...
Weng Chunsheng, Han Jiaxiang, Bai Qiaodong, Liu Zhuyong, Zheng Quan
doaj   +1 more source

Rotating detonation combustors for propulsion: Some fundamental, numerical and experimental aspects

open access: yesFrontiers in Aerospace Engineering, 2023
Propulsion systems based on the constant-pressure combustion process have reached maturity in terms of performance, which is close to its theoretical limit. Technological breakthroughs are needed to develop more efficient transportation systems that meet
Bruno Le Naour   +3 more
doaj   +1 more source

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