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physics.flu-dyn2025
Mechanism of tulip flame formation in highly reactive and low reactive gas mixtures
Chengeng Qian, Mikhail Liberman
The early stages of flame dynamics and the development and evolution of tulip flames in closed tubes of various aspect ratios and in a semi-open tube are studied by solving the ful…
physics.flu-dyn2021
Early Stages of Flame Propagation in Tubes with No-slip Walls and the Mechanism of Tulip Flame Formation
Chengeng Qian, Cheng Wang, Michael A. Liberman
The early stages of flames propagation in tubes with no-slip walls and the inversion of the flame front from a convex shape directed towards unburned gas to a concave shape with a…
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…