Effects of lifted fuel injection using an upstream ramp of a cavity on scramjet combustion

Y Dan, Z Sheng, L Zhang, L Lu - Aerospace Science and Technology, 2023 - Elsevier
A scramjet combustor (RSC) incorporating two ramps and a cavity was proposed. The
leading edge of the cavity of a normal single-cavity scramjet combustor (SSC) was …

Effect of kerosene injection states on mixing and combustion characteristics in supersonic combustor at high equivalent ratio

X Liu, P Li, F Li, C Wang, X Yang, H Wang, M Sun… - Physics of …, 2024 - pubs.aip.org
Previous studies have found that the difference in combustion characteristics of gaseous
and liquid kerosene injection in supersonic combustor is sensitive to the equivalent ratio. In …

Influence of the hydrogen transverse injection mode in a scramjet combustor performance

ÍSA Bezerra, PPB Araújo, SIS Souza… - International Journal of …, 2024 - Elsevier
This paper focuses on the numerical investigation of the transverse hydrogen injection
technique in the supersonic airflow on the combustor performance of a scramjet …

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 …

Effect of upstream injection and pylon downstream of the cavity on the mixing characteristics

PP Nair, A Suryan, V Narayanan - Physics of Fluids, 2024 - pubs.aip.org
Flame stabilizers employing pylons within scramjet engines are becoming more prominent
for enhancing fuel penetration and mixing. Studies have highlighted the enhanced mixing …

[HTML][HTML] Effect of kerosene injection states on mixing and combustion characteristics in a cavity-based supersonic combustor

LIU Xu, LI Peibo, LI Fei, W Hongbo, SUN Mingbo… - Chinese Journal of …, 2024 - Elsevier
It has been found that the static pressure distribution along the axial direction of liquid
kerosene is lower than that of the gaseous kerosene under the same flow condition and …

Rocket-augmented flame stabilization and combustion in a cavity-based scramjet

L Shi, Z Tian, C Dai, W Zhang, Z Wei, G Zhao… - Aerospace Science and …, 2023 - Elsevier
The scramjet engine has become an important propulsion system in hypersonic vehicles for
its high specific impulse, but it also has obvious shortcomings, such as narrow reliable …

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 …

Combustion mode transition and oscillation suppression in supersonic flow using hydrogen jet

T Wang, J Chen, Z Cai, M Sun, Y Yang, P Li… - Proceedings of the …, 2024 - Elsevier
This work studies the controlling of combustions in a scramjet combustor by using a micro
hydrogen jet. Ethylene is selected as the main fuel of the combustor. Data is acquired by …

Effect of injection location on mixing characteristics with pylon downstream of cavity

PP Nair, V Narayanan - Aerospace Science and Technology, 2024 - Elsevier
Scramjet propulsion holds promise for high-speed travel and reusable satellite launches, but
fuel combustion at supersonic speeds presents a challenge. Limited retention time hinders …