On the distributions of fuel droplets and in situ vapor in rotating detonation combustion with prevaporized n-heptane sprays

Q Meng, N Zhao, H Zhang - Physics of Fluids, 2021 - pubs.aip.org
Rotating detonation combustion fueled with partially prevaporized n-heptane sprays is
studied with the Eulerian–Lagrangian method. A flattened two-dimensional domain with …

Numerical study on transition structures of oblique detonations with expansion wave from finite-length cowl

GX Xiang, X Gao, WJ Tang, XZ Jie, X Huang - Physics of Fluids, 2020 - pubs.aip.org
The oblique detonation wave (ODW) triggered by a semi-infinite cowl or wedge has been
widely studied, but the effects of finite-length cowls require further clarification to enhance …

斜爆轰的多波结构及其稳定性研究进展

滕宏辉, 姜宗林 - 力学进展, 2020 - lxjz.cstam.org.cn
摘要斜爆轰是气相爆轰物理的一个重要研究方向, 在航空航天新型动力领域有重要的潜在应用
价值. 作为激波诱导的高速燃烧, 斜爆轰波可以简化为包含能量添加的间断面. 然而 …

Experimental study of detonation limits in methane-oxygen mixtures: Determining tube scale and initial pressure effects

B Zhang, H Liu, B Yan, HD Ng - Fuel, 2020 - Elsevier
In this paper, detonation limits in stoichiometric methane-oxygen mixtures with varying tube
inner diameter and initial mixture pressure were investigated. Detonations in tubes with …

The effect of instability of detonation on the propagation modes near the limits in typical combustible mixtures

B Zhang, H Liu, Y Li - Fuel, 2019 - Elsevier
At the near-limit conditions, the behavior of detonation propagation manifests unstable
modes; those modes are classified into three types, ie, steady mode, fluctuation mode and …

Oblique detonation waves induced by two symmetrical wedges in hydrogen-air mixtures

G Xiang, Y Zhang, X Gao, H Li, X Huang - Fuel, 2021 - Elsevier
An understanding of oblique detonation waves (ODWs) has inherent research value for high-
speed compressible reacting flow and hypersonic propulsion. In this paper, the interactions …

Morphology of oblique detonation waves in a stoichiometric hydrogen–air mixture

H Teng, C Tian, Y Zhang, L Zhou… - Journal of Fluid …, 2021 - cambridge.org
Although the morphology of oblique detonation waves (ODWs) has been widely studied, it
remains impossible to predict the wave systems in the initiation region, which is a critical …

Formation of stabilized oblique detonation waves in a combustor

Z Zhang, C Wen, W Zhang, Y Liu, Z Jiang - Combustion and Flame, 2021 - Elsevier
Initiation and stabilization of oblique detonation waves (ODWs) are important to the
successful application of oblique detonation engines (ODEs), which, however, have been …

Numerical investigation of a Mach 9 oblique detonation engine with fuel pre-injection

Z Zhang, K Ma, W Zhang, X Han, Y Liu… - Aerospace Science and …, 2020 - Elsevier
In this study, the performances of a Mach 9 oblique detonation engine fueled by hydrogen
are numerically investigated by solving the multi-species reactive Reynolds-averaged …

Numerical investigation on the initiation of oblique detonation waves in stoichiometric acetylene–oxygen mixtures with high argon dilution

Y Zhang, Y Fang, HD Ng, H Teng - Combustion and Flame, 2019 - Elsevier
Oblique detonation waves (ODWs) in stoichiometric acetylene-oxygen mixtures, highly
diluted by 81–90% argon, are studied using the reactive Euler equations with a detailed …