Effect of thermal boundary condition and turbulent models on the combustion simulation of ethylene-fueled scramjet combustor

Y Sun, S Zheng, L Jiang, S Wang - Physics of Fluids, 2023 - pubs.aip.org
Wall thermal boundary conditions and turbulent models can affect flow and combustion
simulations but are seldom considered in the turbulent modeling of supersonic combustors …

Numerical study of periodic flame flashback in a cavity-based scramjet combustor

S Guo, X Zhang, Q Liu, L Yue - Physics of Fluids, 2023 - pubs.aip.org
The periodic flame flashback phenomenon in an ethylene-fueled cavity-based scramjet
combustor was numerically investigated by a three-dimensional unsteady Reynolds …

Effect of combustion mode on thrust performance in a symmetrical tandem-cavity scramjet combustor

M Liu, M Sun, G Zhao, Y Meng, Y Huang, G Ma… - Aerospace Science and …, 2022 - Elsevier
To investigate the relationship between the thrust performance and combustion mode in a
scramjet combustor, the acceleration process of a symmetrical tandem-cavity combustor is …

On the analysis of scale effects of flame stabilization in scramjet combustors

F Li, G Zhao, M Sun, M Liu, G Ma, C Zhao - AIAA Journal, 2024 - arc.aiaa.org
Scale effects of flame stabilization in scramjet combustors at Mach 2.52 are investigated
through experiments and numerical simulations based on two geometrically similar …

Numerical study on the mixing and combustion characteristics of a liquid kerosene jet in a scramjet combustor

F Li, P Li, X Liu, H Wang, M Sun, Z Wang - Aerospace Science and …, 2023 - Elsevier
We numerically investigate the mixing and combustion process of a kerosene jet injected
into a scramjet combustor with dual-cavity at different global fuel equivalence ratios using a …

On the scale effects of flame stabilization under different combustion modes in an ethylene-fueled scramjet combustor

F Li, G Zhao, M Sun, F Li, G Ma, M Liu, Z Cai… - Combustion and …, 2024 - Elsevier
The combustion characteristics in two geometrically similar ethylene-fueled scramjet
combustors with mass flow rates of 0.69 and 1.41 kg s-1 are experimentally investigated to …

Numerical investigation on flow choking induced by local heat release and large-scale flow separation in a supersonic combustor

K Jin, X Cai, R Hong, L Zhang, J Liang - Combustion and Flame, 2024 - Elsevier
Flow choking during the scramjet operation has attracted considerable research attention
because it restricts the development of wide-speed-range scramjet. Further investigations on …

[HTML][HTML] Mixing and combustion characteristics in a scramjet combustor with different distances between cavity and backward-facing step

LIU Mingjiang, SUN Mingbo, Y Daoning… - Chinese Journal of …, 2023 - Elsevier
The mixing and combustion characteristics in a cavity flameholding combustor under inlet
Mach number 2.92 are numerically investigated with ethylene injection. Dimensionless …

Numerical study of multi-jet with upstream divergent ramp at supersonic cross flow

Z Shen, S Yu, S Zheng, TA Nofal, A Musa… - Aerospace Science and …, 2022 - Elsevier
The efficiency of supersonic air-breathing propulsion is highly associated with fuel mixing
enhancement in a tank. Current study performed all-inclusive simulations to scrutinize the …

Role of cavity in a Mach 8 axisymmetric scramjet combustor: Flame stabilization vs combustion enhancement

G Ma, G Zhao, M Sun, T Tang, F Li, D Xiong - Physics of Fluids, 2024 - pubs.aip.org
The cavity-assisted scramjet has been proven to be the most promising propulsion system
for air-breathing hypersonic vehicles. In this paper, numerical simulations of a Mach 8 …