Title
Dimension reduction of non-equilibrium plasma kinetic models using principal component analysis Dimension reduction of non-equilibrium plasma kinetic models using principal component analysis
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Bristol :Institute of Physics ,
Subject
Physics
Chemistry
Source (journal)
Plasma sources science and technology / Institute of Physics. - Bristol, 1992, currens
Volume/pages
24(2015) :2 , 14 p.
ISSN
0963-0252
0963-0252
Article Reference
025004
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The chemical complexity of non-equilibrium plasmas poses a challenge for plasma modeling because of the computational load. This paper presents a dimension reduction method for such chemically complex plasmas based on principal component analysis (PCA). PCA is used to identify a low-dimensional manifold in chemical state space that is described by a small number of parameters: the principal components. Reduction is obtained since continuity equations only need to be solved for these principal components and not for all the species. Application of the presented method to a CO2 plasma model including state-to-state vibrational kinetics of CO2 and CO demonstrates the potential of the PCA method for dimension reduction. A manifold described by only two principal components is able to predict the CO2 to CO conversion at varying ionization degrees very accurately.
E-info
https://repository.uantwerpen.be/docman/iruaauth/5ac918/961144f99a5.pdf
Full text (open access)
https://repository.uantwerpen.be/docman/irua/5e5548/9516.pdf
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