192 citations · 317 across the 11 of their papers we have counts for
11 papers
The Effect of Heat Loss During the Early Stages of Flame Propagation and Tulip Flame Formation
Mikhail A. Liberman, Chengeng Qian
The dynamics of premixed flames propagating in two-dimensional and cylindrical channels are investigated using direct numerical simulations of the fully compressible reactive Navie…
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…
The influence of flame-pressure waves collisions on the development and evolution of tulip flames
Chengeng Qian, Mikhail A. Liberman
The effects of pressure waves-flame collisions and tube aspect ratio on flame evolution and the formation of tulip and distorted tulip flames were investigated using numerical simu…
On the tulip flame formation: the effect of pressure waves
Chengeng Qian, Mikhail A. Liberman
The effects of pressure waves on the tulip flame formation in closed and semi-open tubes were studied using numerical simulations of the fully compressible Navier-Stokes equations…
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…
On the formation of a tulip flame in closed and semi-open tubes
Mikhail A. Liberman, Chengeng Qian, Cheng Wang
The paper examines the mechanism of the tulip flame formation for the flames propagating in closed tubes of various aspect ratios and in a half-open tube. The formation of tulip fl…
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…
The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained
A. Brandenburg, A. Johansen, P. A. Bourdin +34
The Pencil Code is a highly modular physics-oriented simulation code that can be adapted to a wide range of applications. It is primarily designed to solve partial differential equ…
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…
Influence of chemical kinetics on detonation initiating by temperature gradients in methane/air
Cheng Wang, Chengeng Qian, JianNan Liu +1
Different simplified and detailed chemical models and their impact on simulations of combustion regimes initiating by the initial temperature gradient in methane/air mixtures are s…
Influence of chemical kinetics on spontaneous waves and detonation initiation in highly reactive and low reactive mixtures
Mikhail Liberman, Cheng Wang, Chengeng Qian +1
Understanding the mechanisms of explosions is important for minimizing devastating hazards. Due to the complexity of real chemistry, a single-step reaction mechanism is usually use…