Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas
Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica, Politecnico di Bari, Bari 70125, Italy
PLASMI Lab, CNR NANOTEC, Bari 70126, Italy
Macedonian Academy of Sciences and Arts, PO Box 428, 1000 Skopje, Macedonia
Physics Department, Wayne State University, Detroit, MI 48201, USA
Department of Physics and Astronomy, University College London, London WC1E 6BT, UK
Author to whom correspondence should be addressed.
Academic Editors: Bastiaan J. Braams, Xavier Urbain, Detlev Reiter and Viatcheslav Kokoouline
Received: 30 November 2016 / Revised: 20 March 2017 / Accepted: 20 April 2017 / Published: 2 May 2017
We report cross-sections and rate coefficients for excited states colliding with electrons, heavy particles and walls useful for the description of H
/He plasma kinetics under different conditions. In particular, the role of the rotational states in resonant vibrational excitations of the H
molecule by electron impact and the calculation of the related cross-sections are illustrated. The theoretical determination of the cross-section for the rovibrational energy exchange and dissociation of H
molecule, induced by He atom impact, by using the quasi-classical trajectory method is discussed. Recombination probabilities of H atoms on tungsten and graphite, relevant for the determination of the nascent vibrational distribution, are also presented. An example of a state-to-state plasma kinetic model for the description of shock waves operating in H
mixtures is presented, emphasizing also the role of electronically-excited states in affecting the electron energy distribution function of free electrons. Finally, the thermodynamic properties and the electrical conductivity of non-ideal, high-density hydrogen plasma are finally discussed, in particular focusing on the pressure ionization phenomenon in high-pressure high-temperature plasmas.
This is an open access article distributed under the Creative Commons Attribution License
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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MDPI and ACS Style
Celiberto, R.; Capitelli, M.; Colonna, G.; D’Ammando, G.; Esposito, F.; Janev, R.K.; Laporta, V.; Laricchiuta, A.; Pietanza, L.D.; Rutigliano, M.; Wadehra, J.M. Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas. Atoms 2017, 5, 18.
Celiberto R, Capitelli M, Colonna G, D’Ammando G, Esposito F, Janev RK, Laporta V, Laricchiuta A, Pietanza LD, Rutigliano M, Wadehra JM. Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas. Atoms. 2017; 5(2):18.
Celiberto, Roberto; Capitelli, Mario; Colonna, Gianpiero; D’Ammando, Giuliano; Esposito, Fabrizio; Janev, Ratko K.; Laporta, Vincenzo; Laricchiuta, Annarita; Pietanza, Lucia D.; Rutigliano, Maria; Wadehra, Jogindra M. 2017. "Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas." Atoms 5, no. 2: 18.
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