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Title: Multi-temperature model derived from state-to-state kinetics for hypersonic entry in Jupiter atmosphere

A state-to-state model of H{sub 2}/He plasmas coupling the master equations for internal distributions of heavy species with the transport equation for the free electrons has been used as a basis for implementing a multi-temperature kinetic model. In the multi-temperature model internal distributions of heavy particles are Boltzmann, the electron energy distribution function is Maxwell, and the rate coefficients of the elementary processes become a function of local temperatures associated to the relevant equilibrium distributions. The state-to-state and multi-temperature models have been compared in the case of a homogenous recombining plasma, reproducing the conditions met during supersonic expansion though converging-diverging nozzles.
Authors:
;  [1] ;  [2] ; ;  [3]
  1. Istituto di Metodologie Inorganiche e Plasmi, CNR, Via Amendola 144/D, 70126 Bari (Italy)
  2. Dipartimento di Ingegneria Meccanica e Aerospaziale, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino (Italy)
  3. Istituto di Metodologie Inorganiche e Plasmi, CNR, Via Amendola 144/D, 70126 Bari, Italy and Dipartimento di Chimica, Universit√° degli studi di Bari, Via Orabona 4, 70125 Bari (Italy)
Publication Date:
OSTI Identifier:
22390548
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1628; Journal Issue: 1; Conference: 29. International Symposium on Rarefied Gas Dynamics, Xi'an (China), 13-18 Jul 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BOLTZMANN STATISTICS; COMPARATIVE EVALUATIONS; COUPLING; ELECTRONS; ENERGY SPECTRA; EQUILIBRIUM; EXPANSION; HELIUM; HYDROGEN; JUPITER PLANET; KINETIC EQUATIONS; NOZZLES; PLANETARY ATMOSPHERES; PLASMA; PLASMA EXPANSION; SUPERSONIC FLOW; TEMPERATURE DEPENDENCE; TRANSPORT THEORY