Effects of the quantity and arrangement of reactive jet obstacles on flame acceleration and transition to detonation: A numerical study

J Wang, X Zhao, L Fan, J Pan, Y Zhu - Aerospace Science and Technology, 2023 - Elsevier
Solid obstacles induce the detonation in premixed gases while causing significant thrust
losses. Jet obstacles can alleviate this deficiency, but there have been few studies on multi …

Detonation initiation of hydrocarbon-air mixtures in a pulsed detonation engine

F Schauer, C Miser, C Tucker, R Bradley… - 43rd AIAA aerospace …, 2005 - arc.aiaa.org
Detonation initiation of hydrocarbon-air mixtures is critical to the development of the pulsed
detonation engine (PDE). Conventionally, oxygen enrichment (such as a predetonator) or …

Effects of a jet turbulator upon flame acceleration in a detonation tube

S Zhao, Y Fan, H Lv, B Jia - Applied Thermal Engineering, 2017 - Elsevier
Allowing a fuel/air mixture to flow through bluff-body structures enhances the deflagration-to-
detonation transition (DDT) process in pulse-detonation engines by increasing the …

Effects of Copper Foam Wall/Obstacles on the Deflagration-to-Detonation Transition

Y Jiang, J Kang, Y Lin, S Yang, J Zhang, W Fan - AIAA Journal, 2024 - arc.aiaa.org
To investigate the process of deflagration-to-detonation transition (DDT) of the copper foam
wall in the pulse detonation engine, detonation combustion experiments were carried out …

Effects of porous wall on deflagration to detonation transition and detonation wave propagation

Y Jiang, Y Lin, Q Wang, X Fang, X Jiang, W Fan - Physics of Fluids, 2024 - pubs.aip.org
To study the influence of a porous wall on the initiation and propagation of the detonation
wave, experiments with ethylene and oxygen-rich air are carried out. The effects of oxygen …

Experimental study of a pulse detonation rocket with Shchelkin spiral

FK Lu, JM Meyers, DR Wilson - Shock Waves: Proceedings of the 24th …, 2005 - Springer
Abstract Aerodynamics Research Center, University of Texas at Arlington, TX 76019, USA
There is much recent interest in the development of propulsion systems using high …

扰流片对汽油/空气脉冲爆震发动机爆震波压力的影响

郑殿峰, 王家骅, 张会强, 林文漪 - 推进技术, 2004 - jpt.tjjsjpt.com
在汽油空气吸气式脉冲爆震发动机(PDE) 协调工作的基础上, 利用动态压力传感器测量了爆震波
峰值压力. 研究了圆环型扰流片的堵塞比, 片数和间距对爆震波峰值压力的影响 …

用于爆轰驱动的射流起爆实验研究

陆星宇, 李进平, 陈宏, 俞鸿儒 - 爆炸与冲击, 2019 - pubs.cstam.org.cn
爆轰驱动激波风洞的自由来流模拟范围与驱动气体的爆轰极限密切相关, 爆轰极限越宽则模拟
范围越大. 驱动气体一般是通过点火管进行起爆的, 提高点火管的起爆能力可以拓宽爆轰极限 …

Predetonator to thrust tube detonation transition studies for multi-cycle PDE applications

S Saretto, SY Lee, C Conrad, J Brumberg… - 39th AIAA/ASME/SAE …, 2003 - arc.aiaa.org
ABSTRACT A series of studies of the phenomena involved in the transition of a detonation
from a pre-detonator to a tube of larger cross sectional area, for a geometry in which a …

Experimental study of a pulse detonation engine driven ejector

R Shehadeh, S Saretto, SY Lee, S Pal… - 39th AIAA/ASME/SAE …, 2003 - arc.aiaa.org
Results of an experimental effort on pulse detonation driven ejectors are presented and
discussed. The experiments were conducted using a pulse detonation engine (PDE)/ejector …