Large eddy simulation of soot evolution in turbulent reacting flows: Strain-sensitive transport approach for polycyclic aromatic hydrocarbons

S Yang, JK Lew, ME Mueller - Combustion and Flame, 2020 - Elsevier
Abstract Polycyclic Aromatic Hydrocarbons (PAH) are confined to spatially intermittent
regions of low scalar dissipation rates due to their slow formation chemistry. The length …

Large-eddy simulation of a multi-injection flame in a diesel engine environment using an unsteady flamelet/progress variable approach

X Wen, S Gierth, M Rieth, JH Chen, C Hasse - Physics of Fluids, 2021 - pubs.aip.org
In this work, large-eddy simulations (LESs) are conducted for a multiple-injection flame in a
diesel engine environment using an unsteady flamelet/progress variable (UFPV) approach …

A priori analysis of a power-law mixing model for transported PDF model based on high Karlovitz turbulent premixed DNS flames

P Zhang, T Xie, H Kolla, H Wang, ER Hawkes… - Proceedings of the …, 2021 - Elsevier
Accurate modeling of mixing in large-eddy simulation (LES)/transported probability density
function (PDF) modeling of turbulent combustion remains an outstanding issue. The issue is …

Effect of unsteadiness and scalar dissipation models on flamelet modeling of differential molecular diffusion in turbulent non-premixed DNS flames

C Han, H Wang - Flow, Turbulence and Combustion, 2022 - Springer
Prediction of differential molecular diffusion remains a great challenge for flamelet modeling
of turbulent non-premixed combustion. This work addresses this challenge through a priori …

Reynolds-number power-law scaling of differential molecular diffusion in turbulent nonpremixed combustion

C Han, H Wang - Physical Review Fluids, 2018 - APS
A full understanding of differential molecular diffusion (DMD) in turbulent combustion has its
theoretical significance for improving models of turbulent combustion. The scaling of the …