Unsteady detonation with thermodynamic nonequilibrium effect based on the kinetic theory

X Su, C Lin - Communications in Theoretical Physics, 2023 - iopscience.iop.org
In this paper, unsteady detonation is simulated and investigated from the viewpoint of kinetic
theory. The deviations of the velocity distribution function from the equilibrium state are …

Mechanism of indirect initiation of detonation

W Liu - Combustion and flame, 2012 - Elsevier
Based on the first-order Arrhenius kinetics of chemical reaction and hydrodynamics, we
proposed a mechanism to interpret the physical process of detonation onset. In the …

Kinetic modeling of detonation and effects of negative temperature coefficient

Y Zhang, A Xu, G Zhang, C Zhu, C Lin - Combustion and Flame, 2016 - Elsevier
The kinetic modeling and simulation of reactive flows, especially for those with detonation,
are further investigated. From the theoretical side, a new set of hydrodynamic equations are …

Kinetic simulation of unsteady detonation with thermodynamic nonequilibrium effects

C Lin, KH Luo - Combustion, Explosion, and Shock Waves, 2020 - Springer
Thanks to its mesoscopic kinetic nature, the discrete Boltzmann method has a capability of
investigating unsteady detonation with essential hydrodynamic and thermodynamic …

Numerical investigation of three deflagration-to-detonation transition conditions related to the velocity of the spontaneous reaction wave

X Tang, E Dziemińska, AK Hayashi, N Tsuboi - International Journal of …, 2021 - Elsevier
In this work, the deflagration-to-detonation transition (DDT) process in a tube filled with
quiescent and stoichiometric hydrogen/oxygen mixture is numerically simulated by a …

A study of pulsating behavior and stability parameter for one-dimensional non-ideal detonations

Z Xu, G Dong, Y Wang - Physics of Fluids, 2023 - pubs.aip.org
One-dimensional numerical simulations of non-ideal detonations were performed by using
inviscid reactive Euler equations. Chemical reactions in the equations were described by …

Theoretical analysis on deflagration-to-detonation transition

YF Liu, H Shen, DL Zhang, ZL Jiang - Chinese Physics B, 2018 - iopscience.iop.org
The study on deflagration-to-detonation transition (DDT) is very important because this
mechanism has relevance to safety issues in industries, where combustible premixed gases …

Theoretical approach to one-dimensional detonation instability

C Wang, G Xiang, Z Jiang - Applied Mathematics and Mechanics, 2016 - Springer
Detonation instability is a fundamental problem for understanding the micro-behavior of a
detonation front. With the theoretical approach of shock dynamics, detonation instability can …

Numerical investigation of one-dimensional overdriven detonation initiation

H TENG, Z JIANG - Chinese Journal of Computational Physics, 2008 - cjcp.org.cn
One-dimensional overdriven detonation initiation is investigated numerically within a finite
rate detailed chemical reaction model. Numerical results exhibit that due to upstream inflow …

Numerical investigation on the collision between detonations and shocks

G Han, Z Jiang, D Zhang - 力学学报, 2008 - lxxb.cstam.org.cn
Collisions between detonations and shock waves of differentstrength have been numerically
simulated by using NND scheme implementedwith the improved two-step chemical reaction …