Numerical study on reflection of an oblique detonation wave on an outward turning wall

K Wang, Z Zhang, P Yang, H Teng - Physics of Fluids, 2020 - pubs.aip.org
Oblique detonation waves (ODWs) have been studied widely as the basis of detonation-
based hypersonic engines, but there are few studies on ODWs in a confined space. This …

Numerical study on the combustion characteristics and performances of single and multi-injectors in a scramjet combustor

SM Jeong, JE Kim, MS Kim, BK Sung, JY Choi… - Aerospace Science and …, 2024 - Elsevier
The present study numerically investigates the combustion characteristics and performance
of a direct-connect gaseous hydrogen-fueled scramjet combustor depending on the injector …

Reactive flow dynamics of low-frequency instability in a scramjet combustor

SM Jeong, HS Han, BK Sung, W Kim, JY Choi - Aerospace, 2023 - mdpi.com
This study numerically investigated the combustion instability and characteristics of a
laboratory-scale gaseous hydrogen-fueled scramjet combustor. For this purpose, a …

[PDF][PDF] A Comprehensive Review of Flamelet Methods: Future Directions and Emerging Challenges

MN Nejaamtheen, JY Choi - Energies, 2024 - researchgate.net
Understanding and accurately modeling combustion processes in engines across a wide
range of operating conditions is critical for advancing both subsonic and supersonic …

高速弹丸诱导斜爆轰激波结构实验研究

尚甲豪, 胡国暾, 汪球, 王业军, 张坤, 项高翔, 赵伟… - 力学学报, 2023 - lxxb.cstam.org.cn
斜爆轰推进系统在高超声速推进领域具有广阔的应用前景, 其释热迅速, 比冲高,
燃烧室结构简单的优点吸引研究人员的持续关注. 然而, 斜爆轰的地面试验同时涉及到高速试验 …

Numerical study of unstable shock-induced combustion with different chemical kinetics and investigation of the instability using modal decomposition technique

PK Pavalavanni, MS Jo, JE Kim, JY Choi - Aerospace, 2023 - mdpi.com
An unstable shock-induced combustion (SIC) case around a hemispherical projectile has
been numerically studied which experimentally produced a regular oscillation. Comparison …

Combustion Characteristics of a Supersonic Combustor with a Large Cavity Length-to-Depth Ratio

X Li, Q Lei, X Zhao, W Fan, S Chen, L Chen, Y Tian… - Aerospace, 2022 - mdpi.com
The combustion characteristics of a hydrogen-fueled supersonic combustor featuring a large
cavity length-to-depth ratio (ie, 11) were examined by performing experimental trials while …

A solver for simulating shock-induced combustion on curvilinear adaptive meshes

H Peng, CWC Atkins, R Deiterding - Computers & Fluids, 2022 - Elsevier
A generic solver in a structured Cartesian adaptive mesh refinement framework is extended
to simulate unsteady shock-induced combustion problems on a structured curvilinear mesh …

Combined diagnostic analysis of dynamic combustion characteristics in a scramjet engine

SM Jeong, JY Choi - Energies, 2020 - mdpi.com
In this work, the dynamic combustion characteristics in a scramjet engine were investigated
using three diagnostic data analysis methods: DMD (Dynamic Mode Decomposition), STFT …

Experiment investigation of oblique detonation wave structure induced by hypersonic projectiles

S Jiahao, H Guotun, W Qiu, W Yejun… - Chinese Journal of …, 2023 - lxxb.cstam.org.cn
By taking advantages of rapid heat release, high specific impulse and simple combustion
chamber structure, oblique detonation plays an important role in hypersonic air-breathing …