Results 21 to 30 of about 627,886 (336)

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

Numerical Study on the Two-Phase Detonation Flow Field of Coal Powder-Hydrogen in a Rotating Detonation Engine [PDF]

open access: yesHangkong bingqi
Rotating detonation engines (RDEs) have attracted significant attention in the aerospace field due to their high thermal cycle efficiency. This study explores the characteristics of rotating detonation in gas-solid mixed fuel within an air atmosphere.
Weng Chunsheng, Ni Xiaodong, Xu Han
doaj   +1 more source

Effects of Reversed Shock Waves on Operation Mode in H2/O2 Rotating Detonation Chambers

open access: yesEnergies, 2021
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

Surface and core detonations in rotating white dwarfs [PDF]

open access: yes, 2018
The feasibility of the double detonation mechanism—surface helium detonation followed by complete carbon detonation of the core—in a rotating white dwarf with mass ;1Me is studied using three-dimensional hydrodynamic simulations. A rapid rigid rotation
Cabezón Gómez, Rubén Martín   +2 more
core   +3 more sources

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

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

open access: yesEnergies, 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   +2 more
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

Rotating Detonation: History, Results, Problems [PDF]

open access: yesTransactions on Aerospace Research, 2020
Abstract Among of modern papers devoted to numerical modeling of rotated waves the greater part of papers are based on assumption that such wave propagates with velocity equals to the Chapman-Jouguet velocity of ideal detonation model with plane front.
openaire   +1 more source

Pressure Gain Characteristic of Continuously Rotating Detonation Combustion and its Influence on Gas Turbine Cycle Performance

open access: yesIEEE Access, 2018
Considering the pressure gain characteristic of continuously rotating detonation (CRD) combustion, a rotating detonation gas turbine cycle was established using methane as fuel.
Lei Qi   +4 more
doaj   +1 more source

The Post-Merger Magnetized Evolution of White Dwarf Binaries: The Double-Degenerate Channel of Sub-Chandrasekhar Type Ia Supernovae and the Formation of Magnetized White Dwarfs [PDF]

open access: yes, 2013
Type Ia supernovae (SNe Ia) play a crucial role as standardizable cosmological candles, though the nature of their progenitors is a subject of active investigation.
Behrends, Jan   +8 more
core   +3 more sources

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