44 citations · 183 across the 32 of their papers we have counts for
13 papers · 1 filter
Autoignition of two-phase n-heptane/air mixtures behind an oblique shock: insights into spray oblique detonation initiation
Hongbo Guo, Yong Xu, Ningbo Zhao +1
Autoignition of n-heptane droplet/vapor/air mixtures behind an oblique shock wave are studied, through Eulerian-Lagrangian method and a skeletal chemical mechanism. The effects of…
Modelling particle collisions in moderately dense curtain impacted by an incident shock wave
Pikai Zhang, Huangwei Zhang, Yun Feng Zhang +2
The interactions between an incident shock and moderately dense particle curtain are simulated with the Eulerian-Lagrangian method. A customized solver based on OpenFOAM is extende…
Transmission of hydrogen detonation across a curtain of dilute inert particles
Yong Xu, Pikai Zhang, Qingyang Meng +2
Transmission of hydrogen detonation wave (DW) in an inert particle curtain is simulated using the Eulerian-Lagrangian approach with gas-particle two-way coupling. A detailed chemic…
Structure and dynamics of spray detonation in n-heptane droplet-vapor-air mixtures
Qingyang Meng, Majie Zhao, Yong Xu +2
Spray detonation in n-heptane two-phase mixtures is simulated using Eulerian Lagrangian method. Two-dimensional configuration is considered, and the effects of droplet diameter and…
Spark-ignited kernel dynamics in fine ethanol sprays and their relations with minimum ignition energy
Qiang Li, Huangwei Zhang
Spark ignition of ethanol droplet/vapor/air mixture is studied with a Eulerian-Eulerian method and detailed chemical mechanism. The flame kernel-droplet interaction is quantified w…
Effects of dilute coal char particle suspensions on propagating methane detonation wave
Jingtai Shi, Pikai Zhang, Yong Xu +2
Methane/coal dust hybrid explosion is one of the common hazards in process and mining industries. In this study, methane detonation propagation in dilute coal char particle suspens…
Interactions between a propagating detonation wave and circular water cloud in hydrogen/air mixture
Yong Xu, Huangwei Zhang
Interactions between a propagating hydrogen/air detonation wave and circular water cloud are studied. Eulerian Lagrangian method involving two-way gas-droplet coupling is applied.…
Forced ignition and oscillating flame propagation in fine ethanol sprays
Qiang Li, Huangwei Zhang
The present work investigates forced ignition and oscillating propagation of spray flame in a mixture of fine ethanol droplets and air. Eulerian-Eulerian method with two-way coupli…
Detailed chemistry modelling of rotating detonations with dilute n-heptane sprays and preheated air
Shan Jin, Chao Xu, Hongtao Zheng +1
Utilization of liquid fuels is crucial to enabling commercialization of rotating detonation engines in the near future. In this study, Eulerian-Lagrangian simulations are conducted…
Ignition limit and shock-to-detonation transition mode of n-heptane/air mixture in high-speed wedge flows
Hongbo Guo, Yong Xu, Hongtao Zheng +1
In this work, oblique detonation of n-heptane/air mixture in high-speed wedge flows is simulated by solving the reactive Euler equations with a two-dimensional (2D) configuration.…
Interactions between a propagating detonation wave and water spray cloud in hydrogen/air mixture
Yong Xu, Huangwei Zhang
Inhibition of hydrogen explosion is crucial to realize its wide applications and fine water spray is an ideal mitigant due to numerous advantages. In this work, interactions betwee…
Extinction and re-initiation of methane detonation in dilute coal particle suspensions
Jingtai Shi, Yong Xu, Wanxing Ren +1
In this study, methane detonation propagation in dilute coal particle suspensions is studied based on Eulerian-Lagrangian method. Two-dimensional configuration is considered, and a…
On the evolutions of induction zone structure in wedge-stabilized oblique detonation with water mist flows
Hongbo Guo, Yong Xu, Shuying Li +1
Two-dimensional wedge-stabilized oblique detonations in stoichiometric and fuel-lean H2/O2/Ar mixtures with water mists are studied with Eulerian-Lagrangian method. The effects of…