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physics.flu-dyn2023
On the mechanism of "tulip flame" formation: the effect of ignition sources
Chengeng Qian, Mikhail A. Liberman
The early stages of hydrogen-air flame dynamics and the physical mechanism of tulip flame formation were studied using high-resolution numerical simulations to solve the two-dimens…
physics.flu-dyn2019
Autoignition and detonation development from a hot spot inside a closed chamber: effects of end wall reflection
Peng Dai, Zheng Chen, Xiaohua Gan +1
The advancement of highly boosted internal combustion engines (ICEs) with high thermal efficiency is mainly constrained by knock and super-knock respectively due to the end gas aut…
physics.flu-dyn2019
Convergence properties of detonation simulations
Chengeng Qian, Cheng Wang, JianNan Liu +3
We present a high-resolution convergence study of detonation initiated by a temperature gradient in a stoichiometric hydrogen-oxygen mixture using the Pencil Code and compare with…