Experimental and simulation study of methanol/coal-to-liquid (CTL) reactivity and combustion characteristics of diesel engines in RCCI mode

J Zhu, Z Wang, R Li, S Liu, M Li - Fuel, 2024 - Elsevier
An experimental and simulation study of the RCCI combustion mode of coal-based fuels
(methanol prepared from coke oven gas/coal-to-liquid, Methanol/CTL)) was carried out on a …

A pairwise mixing model with kernel constraint and its appraisal in transported PDF simulations of ethylene flames

X Su, J Wei, X Wang, H Zhou, ER Hawkes, Z Ren - Combustion and Flame, 2023 - Elsevier
Modeling micro-mixing remains a primary challenge for the transported probability density
function (TPDF) method. In this study, the pairwise mixing with kernel constraint (KerM) …

Mixing in turbulent flows: An overview of physics and modelling

J Pozorski, M Wacławczyk - Processes, 2020 - mdpi.com
Turbulent flows featuring additional scalar fields, such as chemical species or temperature,
are common in environmental and industrial applications. Their physics is complex because …

Modern developments in filtered density function

S Sammak, Z Ren, P Givi - Modeling and Simulation of Turbulent Mixing …, 2020 - Springer
An overview is presented of recent developments in filtered density function (FDF)
methodology as utilized for large eddy simulation (LES) of turbulent flows. The review is …

An evaluation of gas-phase micro-mixing models with differential mixing timescales in transported PDF simulations of sooting flame DNS

H Zhou, Z Li, T Yang, ER Hawkes, Z Ren… - Proceedings of the …, 2021 - Elsevier
The use of transported probability density function (TPDF) models to predict soot has the
strong advantage that the effects of turbulent fluctuations on soot source terms can be …

Large eddy simulation of a supersonic lifted hydrogen flame with sparse-Lagrangian multiple mapping conditioning approach

Z Huang, MJ Cleary, Z Ren, H Zhang - Combustion and Flame, 2022 - Elsevier
Abstract The Multiple Mapping Conditioning/Large Eddy Simulation (MMC-LES) approach is
used to simulate a supersonic lifted hydrogen jet flame, which features shock-induced …

Flow characteristics analysis and combustion oscillation mitigation of a hydrogen industrial burner

L Zhang, S Li, T Liu, H Zhou, Z Ren - International Journal of Hydrogen …, 2025 - Elsevier
With the promotion of carbon neutrality policies, hydrogen burners are widely used in the
industrial field, and exploring the combustion characteristics and stable combustion …

Differential diffusion modeling in LES/FDF simulations of turbulent flames

H Zhou, T Yang, Z Ren - AIAA journal, 2019 - arc.aiaa.org
A modeling strategy to incorporate differential diffusion effects on both filter and subgrid
scale in large-eddy simulation (LES)/filtered density function (FDF) method is proposed …

Physics-guided fuel-switching Neural Networks for stable combustion of low calorific industrial gas

L Zhang, H Zhou, Z Ren - Energy, 2024 - Elsevier
Dual fuel combustion of low calorific industrial gas has been widely used in various types of
burners for industrial production needs. Fuel switching rule is purely empirical lacking …

On the modeling of scalar mixing timescale in filtered density function simulation of turbulent premixed flames

T Yang, Q Xie, H Zhou, Z Ren - Physics of Fluids, 2020 - pubs.aip.org
A new closure of the scalar mixing timescale is formulated to enhance the predictability of
large eddy simulation (LES)/filtered density function (FDF) simulations for turbulent premixed …