Advances in fixed-bed reactor modeling using particle-resolved computational fluid dynamics (CFD)

N Jurtz, M Kraume, GD Wehinger - Reviews in Chemical Engineering, 2019 - degruyter.com
In 2006, Dixon et al. published the comprehensive review article entitled “Packed tubular
reactor modeling and catalyst design using computational fluid dynamics.” More than one …

Computational fluid dynamics of reacting flows at surfaces: Methodologies and applications

D Micale, C Ferroni, R Uglietti… - Chemie Ingenieur …, 2022 - Wiley Online Library
This review presents the numerical algorithms and speed‐up strategies developed to couple
continuum macroscopic simulations and detailed microkinetic models in the context of …

Progress in accurate chemical kinetic modeling, simulations, and parameter estimation for heterogeneous catalysis

S Matera, WF Schneider, A Heyden, A Savara - Acs Catalysis, 2019 - ACS Publications
Chemical kinetic modeling in heterogeneous catalysis is advancing in its ability to provide
qualitatively or even quantitatively accurate prediction of real-world behavior because of …

[HTML][HTML] Heterogeneous chemical reactions—A cornerstone in emission reduction of local pollutants and greenhouse gases

P Lott, O Deutschmann - Proceedings of the Combustion Institute, 2023 - Elsevier
The current state and challenges of advanced experimental and modeling methods for a
better understanding of heterogeneous chemical reactions are discussed using examples …

Dual layer automotive ammonia oxidation catalysts: Experiments and computer simulation

A Scheuer, W Hauptmann, A Drochner… - Applied Catalysis B …, 2012 - Elsevier
Today, platinum based ammonia oxidation catalysts are applied in automotive exhaust
systems to avoid ammonia slip from the SCR catalyst. In this paper we present a dual layer …

Efficient neural network models of chemical kinetics using a latent asinh rate transformation

FA Döppel, M Votsmeier - Reaction Chemistry & Engineering, 2023 - pubs.rsc.org
We propose a new modeling strategy to build efficient neural network representations of
chemical kinetics. Instead of fitting the logarithm of rates, we embed the hyperbolic sine …

Kinetic parameters estimation for three way catalyst modeling

K Ramanathan, CS Sharma - Industrial & Engineering Chemistry …, 2011 - ACS Publications
One of the critical needs of a Three Way Catalyst (TWC) model is to be able to predict light-
off. This is crucial for application studies and vehicle architectural studies because most of …

[HTML][HTML] Global reaction neural networks with embedded stoichiometry and thermodynamics for learning kinetics from reactor data

T Kircher, FA Döppel, M Votsmeier - Chemical Engineering Journal, 2024 - Elsevier
The digitalization of chemical research and industry is vastly increasing the available data
for developing and parametrizing kinetic models. To exploit this data, machine learning …

Accelerating particle-resolved CFD simulations of catalytic fixed-bed reactors with DUO

EA Daymo, M Hettel, O Deutschmann… - Chemical Engineering …, 2022 - Elsevier
Simulation of fixed-bed catalytic reactors is important for engineering industrial technologies.
The large number of catalytically active surface faces makes the application of microkinetic …

[HTML][HTML] Training set design for machine learning techniques applied to the approximation of computationally intensive first-principles kinetic models

M Bracconi, M Maestri - Chemical Engineering Journal, 2020 - Elsevier
We propose a design procedure for the generation of the training set for Machine Learning
algorithms with a specific focus on the approximation of computationally-intensive first …