Multiscale modeling and general theory of non-equilibrium plasma-assisted ignition and combustion

S Yang, S Nagaraja, W Sun… - Journal of Physics D …, 2017 - iopscience.iop.org
A self-consistent framework for modeling and simulations of plasma-assisted ignition and
combustion is established. In this framework, a'frozen electric field'modeling approach is …

Low temperature oxidation and pyrolysis of n-heptane in nanosecond-pulsed plasma discharges

A Rousso, S Yang, J Lefkowitz, W Sun, Y Ju - Proceedings of the …, 2017 - Elsevier
The present study seeks to explore the parametric effects of oxygen concentration, argon
dilution and plasma discharge frequency on pyrolytic and oxidative reaction pathways of n …

Sensitivity of predictions to chemical kinetics models in a temporally evolving turbulent non-premixed flame

S Yang, R Ranjan, V Yang, W Sun, S Menon - Combustion and Flame, 2017 - Elsevier
To investigate the sensitivity of predictions to chemical kinetics models, two different kinetics
models, GRI-Mech 3.0 and an 11-species syngas model, are compared by performing 3D …

Time-resolved in situ measurements and predictions of plasma-assisted methane reforming in a nanosecond-pulsed discharge

TY Chen, TS Taneja, AC Rousso, S Yang… - Proceedings of the …, 2021 - Elsevier
This study investigates the plasma properties and chemical kinetics of plasma-assisted
methane reforming in a He diluted nanosecond-pulsed plane-to-plane dielectric barrier …

Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multicomponent Flows on Unstructured Grids Using Density-Based Solvers

JT Lipkowicz, S Gövert, B Janus - … of Engineering for …, 2025 - asmedigitalcollection.asme.org
The low dissipation low dispersion (LD2) second-order accurate scheme is effective for
scale-resolving simulations in finite volume computational fluid dynamics (CFD) solvers …

Comparison of flamelet/progress-variable and finite-rate chemistry LES models in a preconditioning scheme

S Yang, X Wang, V Yang, W Sun, H Huo - 55th AIAA Aerospace …, 2017 - arc.aiaa.org
I. Introduction ue to the increasing combustion-based energy demand and its environmental
concerns, high-fidelity simulation of turbulent combustion becomes highly important. For any …

Comparison of tabulation and correlated dynamic evaluation of real fluid properties for supercritical mixing

S Yang, Y Li, X Wang, U Unnikrishnan… - 53rd AIAA/SAE/ASEE …, 2017 - arc.aiaa.org
Due to the need of high thrust/power propulsion and power-generation systems, high
pressure combustion devices have become ubiquitous in contemporary gas turbine and …

Effects of Non-Equilibrium Plasma Discharge on Ignition and NTC Chemistry of DME/O2/Ar Mixtures: A Numerical Investigation

Y Zhang, S Yang, W Sun, V Yang - 53rd AIAA/SAE/ASEE Joint …, 2017 - arc.aiaa.org
The effects of non-equilibrium plasma discharge on ignition characteristics and
lowtemperature chemistry (LTC) of DME/O2/Ar mixture are numerically investigated through …

An efficient finite-rate chemistry model for a preconditioned compressible flow solver and its comparison with the flamelet/progress-variable model

S Yang, X Wang, H Huo, W Sun, V Yang - Combustion and Flame, 2019 - Elsevier
An efficient finite-rate chemistry (FRC) model is developed for a preconditioned
compressible flow solver. The model uses a point-implicit stiff ODE solver and a correlated …

The effects of ozonolysis activated autoignition on non-premixed jet flame dynamics: a numerical and experimental study

X Gao, S Yang, B Wu, W Sun - 53rd AIAA/SAE/ASEE joint propulsion …, 2017 - arc.aiaa.org
Jet flames, in all their various forms, have been an important topic for the combustion
community, as they are quite common in many practical devices. However, concerns on …