2020
DOI: 10.5757/asct.2020.29.1.005
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A New Version of the Plasma Database for Plasma Physics in the Data Center for Plasma Properties

Abstract: Bulk and surface chemistry database (DB) are necessary to compute plasma parameters using plasma simulators. As the high quality of the DB is closely related to the accuracy enhancement of simulations, we attempted to gather reliable data from previously published articles. However, previous systems could not accommodate various types of information such as electron collision cross sections, rate coefficients of heavy particle reactions, sticking coefficients on the surfaces, and thermodynamic data. Therefore,… Show more

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Cited by 10 publications
(8 citation statements)
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References 5 publications
(3 reference statements)
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“…Here we extracted these from various databases. All the data used for training and testing the regression models were automatically scraped from the following databases: QDB [8], NFRI [19], KIDA [14], and UDfA [16]. These four widely-used databases provide a good quantity of kinetic data a for binary heavy-species collisions at or near room-temperature.…”
Section: Training Datamentioning
confidence: 99%
See 2 more Smart Citations
“…Here we extracted these from various databases. All the data used for training and testing the regression models were automatically scraped from the following databases: QDB [8], NFRI [19], KIDA [14], and UDfA [16]. These four widely-used databases provide a good quantity of kinetic data a for binary heavy-species collisions at or near room-temperature.…”
Section: Training Datamentioning
confidence: 99%
“…However, for this to work all the three parameters also need to be present in the training dataset as targets for supervised learning and most of our data sources do not give a full set of Arrhenius coefficients; in practice, the majority of reactions in our dataset are characterized by a single reaction rate constant parameter, α. The kinetic data in the NFRI database [19] are provided as a series of reaction rate coefficient values for different temperatures. In principle, the desired Arrhenius coefficients could be fitted to these data, but this would require at least three data points.…”
Section: Targetsmentioning
confidence: 99%
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“…In their work, ML was used to provide rate coefficients of binary chemical reactions using three distinct optimized regression models: an SVM model, a random forest model, and a gradient-boosted trees model. The models were trained on kinetic data for binary heavy-species collisions at or near room-temperature extracted from the QBD, 74 KIDA, 75 NFRI, 76 and UfDA 77 databases. After removing duplicate reactions, the final data set consisted of 9470 reactions involving 1080 distinct species.…”
Section: Reviewmentioning
confidence: 99%
“…Such chemical databases are expected to increase in coming years as the chemistry induced by plasmas is utilised in more applications, including medical processes [636,716] and waste treatment [717,718]. [689] Excitation processes Plasma physics Atomic cross sections QDB [707] Excitation processes Technological plasmas Chemical reaction rates NIFS [710] Excitation processes Fusion Chemical reaction rates NFRI [711] Excitation processes Fusion Chemical reaction rates ALADDIN [712] Excitation processes Fusion Chemical reaction rates Phys4Entry [713] Vibrational excitation Atmospheric re-entry Heavy particle inelastic cross sections. BASECOL [714] Rotational excitation Astrophysics Heavy particle inelastic cross sections.…”
Section: Materials Databasementioning
confidence: 99%