Kinetics parameter optimization of hydrocarbon fuels via neural ordinary differential equations

X Su, W Ji, J An, Z Ren, S Deng, CK Law - Combustion and Flame, 2023 - Elsevier
Chemical kinetics mechanisms are essential for understanding, analyzing, and simulating
complex combustion phenomena. In this study, a neural ordinary differential equation …

Using active subspace-based similarity analysis for design of combustion experiments

K Lin, Z Zhou, Y Wang, CK Law, B Yang - Proceedings of the Combustion …, 2023 - Elsevier
Experimental data under a wide range of conditions are essential for the optimization of
combustion kinetic models. However, some laboratory measurements under given …

On the binary diffusion coefficients of n-alkanes in He/N2

Y Li, Y Gui, X You - Combustion and Flame, 2023 - Elsevier
The binary diffusion coefficients of fuel molecules in bath gasses are key parameters for
accurate predictions of flame properties such as extinction strain rates. In combustion …

Fast uncertainty reduction of chemical kinetic models with complex spaces using hybrid response-surface networks

JH Oh, P Wiersema, K Kim, E Mayhew, J Temme… - Combustion and …, 2023 - Elsevier
Response-surface (RS) surrogate approaches permit efficient inverse uncertainty
quantification (UQ) of combustion kinetic models, wherein the uncertainty of reaction rates is …

An uncertainty-aware strategy for plasma mechanism reduction with directed weighted graphs

S Venturi, W Yang, I Kaganovich, T Casey - Physics of Plasmas, 2023 - pubs.aip.org
In this work, we present a framework for the analysis and reduction of plasma mechanisms
by means of weighted directed graphs, in which reactions and species are both treated as …

Deep active subspace method for dominant factor exploration and optimization in fan-shaped film cooling

F Cai, H Zhou, F Chen, M Yao, Z Ren - … Journal of Heat and Mass Transfer, 2025 - Elsevier
This study introduces a novel algorithm that combines deep learning with active subspace
method to address the challenge of quantitatively analyzing the effects of various …

Uncertainty analysis of soot formation in laminar flames simulated with a sectional method

X Su, MJ Cleary, H Zhou, Z Ren, AR Masri - Combustion and Flame, 2024 - Elsevier
The uncertainty in soot kinetics parameters will lead to uncertainty in the prediction of soot
characteristics, including particle size distribution (PSD) and soot volume fraction (SVF) …

Kinetics Parameter Optimization via Neural Ordinary Differential Equations

X Su, W Ji, J An, Z Ren, S Deng, CK Law - arXiv preprint arXiv:2209.01862, 2022 - arxiv.org
Chemical kinetics mechanisms are essential for understanding, analyzing, and simulating
complex combustion phenomena. In this study, a Neural Ordinary Differential Equation …

Arrhenius. jl: A Differentiable Combustion SimulationPackage

W Ji, X Su, B Pang, SJ Cassady, AM Ferris, Y Li… - arXiv preprint arXiv …, 2021 - arxiv.org
Combustion kinetic modeling is an integral part of combustion simulation, and extensive
studies have been devoted to developing both high fidelity and computationally affordable …

Uncertainty quantification of kinetic models using adjoint-driven active subspace algorithms

A Hassan, M Sabry, V Le Chenadec… - Proceedings of the …, 2023 - Elsevier
Simulations of chemically reacting flows are particularly sensitive to kinetic models, which in
turn depend on a large number of parameters. Therefore, quantifying parametric …