A fully coupled, fully implicit simulation method for unsteady flames using Jacobian approximation and clustering

Q Xie, Y Liu, M Yao, H Zhou, Z Ren - Combustion and Flame, 2022 - Elsevier
Jacobian clustering is proposed to reduce the computational cost associated with matrix
operations encountered in the Newton iteration in fully coupled, fully implicit schemes for …

Numerical investigation of detonation initiation in a modeled rotating detonation engine

C Han, J Bian, B Shi, C Tian, M Zhao - Physics of Fluids, 2024 - pubs.aip.org
In experimental studies, single-wave mode and two counter-rotating wave mode are often
observed in rotating detonation combustors. To investigate the mechanism behind different …

Critical decay time model for direct detonation initiation energy in gaseous mixtures

Y Liu, Q Xie, Y Chen, R Mével, Z Ren - Journal of Propulsion and Power, 2024 - arc.aiaa.org
A critical decay time (CDT) model is developed to predict the critical energy of direct
detonation initiation in gaseous mixtures. It is based on the global initiation criterion that the …

Exploring the chemical kinetic effects on the direct detonation initiation in H2-O2-Ar mixtures

Y Liu, Y Chen, Q Xie, X Su, Z Ren… - Combustion Theory and …, 2024 - Taylor & Francis
Chemical kinetics plays an important role in the direct detonation initiation (DDI) of various
combustible mixtures. However, its impact on detonation dynamics has rarely been studied …

[引用][C] A Critical Decay Time Model for Critical Direct Detonation Initiation Energy in Gaseous Mixtures

Y Liu, Q Xie, Y Chen, R Mével, Z Ren