The effects of large scale perturbation-generating obstacles on the propagation of detonation filled with methane–oxygen mixture

B Zhang, H Liu - Combustion and Flame, 2017 - Elsevier
Orifice plates with large blockage ratios (BR= 0.691, 0.826, 0.923 and 0.962) are placed in
the entrance of the detonation transmission to investigate the artificially large-scale …

Effects of jet in crossflow on flame acceleration and deflagration to detonation transition in methane–oxygen mixture

H Peng, Y Huang, R Deiterding, Z Luan, F Xing… - Combustion and …, 2018 - Elsevier
The fluidic jet turbulator has been a novel perturbation generator in the pulse-detonation
engines research field for the past few years. In this paper, an experiment is performed to …

Flame–turbulence interaction of laminar premixed deflagrated flames

JP McGarry, KA Ahmed - Combustion and Flame, 2017 - Elsevier
The demand for higher combustion efficiency and performance is attainable through
pressure gain combustion. Pressure gain combustion exploits the pressure rise for high flow …

[HTML][HTML] Spontaneous runaway of fast turbulent flames for turbulence-induced deflagration-to-detonation transition

J Chambers, HM Chin, AY Poludnenko, VN Gamezo… - Physics of …, 2022 - pubs.aip.org
One of the fundamental mechanisms for detonation initiation is deflagration-to-detonation
transition (DDT). This research experimentally explores the runaway condition for highly …

Deflagration shock wave dynamics of DME/LPG blended clean fuel under the coupling effect of initial pressure and equivalence ratio in elongated closed space

Q Zhang, X Qian, Y Chen, M Yuan - Journal of Cleaner Production, 2020 - Elsevier
The deflagration shock wave evolution regimes and explosion hazards of DME (dimethyl
ether)/LPG (liquefied petroleum gas) blended clean fuel under equivalence ratio of Φ= 0.8 …

Research on pulse detonation combustion systems: a status report

K Kailasanath - 47th AIAA aerospace sciences meeting including the …, 2009 - arc.aiaa.org
Recent developments in the research on pulse detonation combustion systems are
discussed in this paper. There are major programs in several countries including China …

Eulerian–Lagrangian modeling of deflagration to detonation transition in n-decane/oxygen/nitrogen mixtures

H Zheng, W Zhu, X Jia, N Zhao - Physics of Fluids, 2022 - pubs.aip.org
In this work, to promote deflagration to detonation transition (DDT), a designed hot jet in a
pre-detonator is produced to initiate detonations in the main detonation tube. We perform …

Experimental evaluation of aluminum powder fuel in a hydrogen/oxygen detonation tube

W Wu, Y Wang, K Wu, Z Ma, W Han, J Wang… - International Journal of …, 2023 - Elsevier
Solid powder detonation technology was investigated in this study. Several problems related
to the controllable and uniform injection of solid powder fuels were examined. This study …

On the detonation propagation behavior in hydrogen-oxygen mixture under the effect of spiral obstacles

B Zhang, H Liu, C Wang - International Journal of Hydrogen Energy, 2017 - Elsevier
Detonation propagation velocity behavior and cellular structure of stoichiometric hydrogen-
oxygen mixture in spiral obstacles with four roughness (ξ= 0.133, 0.231, 0.4, 0.625) are …

Flame–turbulence interactions during flame acceleration using solid and fluid obstacles

W Zhao, J Liang, R Deiterding, X Cai, X Wang - Physics of Fluids, 2022 - pubs.aip.org
A combination of solid and transverse jet obstacles is proposed to trigger flame acceleration
and deflagration-to-detonation transition (DDT). A numerical study of this approach is …