[HTML][HTML] A novel model for incorporation of differential diffusion effects in PDF simulations of non-premixed turbulent flames based on reaction-diffusion manifolds …

C Yu, P Breda, F Minuzzi, M Pfitzner, U Maas - Physics of Fluids, 2021 - pubs.aip.org
In this work, reaction-diffusion manifold (REDIM) reduced chemistry is used in the simulation
of turbulent non-premixed flames based on a transported-probability density function model …

Comparative analysis of reaction-diffusion manifold based reduced models for head-on-and side-wall-quenching flames

C Strassacker, V Bykov, U Maas - Proceedings of the Combustion Institute, 2021 - Elsevier
In this study, multi-dimensional molecular transport phenomena during Flame-Wall-
Interactions (FWI) and their effects on model reduction strategies are investigated. In order to …

Model reduction on the fly: Simultaneous identification and application of reduced kinetics for the example of flame-wall interactions

Y Luo, C Strassacker, U Maas, C Hasse - Proceedings of the Combustion …, 2023 - Elsevier
In manifold-based reduced models, a manifold is often generated based on an a-priori
identification. Subsequently, a successful reduced kinetic computation is largely dependent …

Interactions between the premixed flame front and the three-dimensional Taylor–Green vortex

H Zhou, J You, S Xiong, Y Yang, D Thévenin… - Proceedings of the …, 2019 - Elsevier
We study interactions between the premixed flame front and evolving vortices using the
vortex-surface field (VSF) and direct numerical simulation of a hydrogen/air premixed flame …

Sensitivity of reaction–diffusion manifolds (REDIM) method with respect to the gradient estimate

C Yu, U Maas - Combustion Theory and Modelling, 2022 - Taylor & Francis
In this work, a mathematical formulation for the calculation of the sensitivity of manifold-
based simplified chemistry with respect to the scalar gradient is derived. This methodology …

An iterative methodology for REDIM reduced chemistry generation and its validation for partially-premixed combustion

P Shrotriya, R Schießl, C Yu, V Bykov… - … Theory and Modelling, 2024 - Taylor & Francis
Partially-premixed flames (PPFs) incorporate effects of both premixed and non-premixed
types of reaction zones. The modelling of PPFs using manifold-based model reduction …

Numerical simulation of turbulent flames based on a hybrid RANS/transported-PDF method and REDIM method

C Yu, F Minuzzi, U Mass - Eurasian Chemico-Technological Journal, 2018 - ect-journal.kz
Abstract A hybrid RANS/Transported-PDF model for the simulation of turbulent reacting
flows based on automatically reduced mechanisms for the chemical kinetics (reaction …

[HTML][HTML] Simulation of methane/air non-premixed turbulent flames based on REDIM simplified chemistry

F Minuzzi, C Yu, U Maas - Flow, Turbulence and Combustion, 2019 - Springer
Combustion simulations involve the modeling of chemical kinetics, and due to the
complexity of detailed mechanisms, chemistry reduction techniques are necessary. One …

Reaction diffusion manifolds (REDIMs) applied to soot formation in ethylene counterflow non-premixed flames: an uncoupled methodology

FC Minuzzi - Computational and Applied Mathematics, 2022 - Springer
Numerical simulations of reactive flows are still a challenge when using full detailed kinetic
mechanisms, which are becoming larger and larger to incorporate most of the combustion …

Ridge-based reaction zone characterisation in non-premixed flames

R Schießl, V Bykov - Combustion and Flame, 2022 - Elsevier
We apply ridge analysis for reaction zone characterisation in non-premixed combustion.
Generalizing the topographical mountain-ridge archetype, ridges are low-dimensional …