A CFD solver, using Residual Distribution Schemes on unstructured grids, has been extended to deal with inviscid chemical non-equilibrium flows. The conservative equations have been coupled with a kinetic model for argon plasma which includes the argon metastable state as independent species, taking into account electron-atom and atom-atom processes. Results in the case of an hypersonic flow around an infinite cylinder, obtained by using both shock-capturing and shock-fitting approaches, show higher accuracy of the shock-fitting approach.

An unstructured shock-fitting solver for hypersonic plasma flows in chemical non-equilibrium / Pepe, R; Bonfiglioli, A.; D'Angola, A.; Colonna, G.; Paciorri, Renato. - In: COMPUTER PHYSICS COMMUNICATIONS. - ISSN 0010-4655. - STAMPA. - 196:(2015), pp. 179-193. [10.1016/j.cpc.2015.06.005]

An unstructured shock-fitting solver for hypersonic plasma flows in chemical non-equilibrium

PACIORRI, Renato
2015

Abstract

A CFD solver, using Residual Distribution Schemes on unstructured grids, has been extended to deal with inviscid chemical non-equilibrium flows. The conservative equations have been coupled with a kinetic model for argon plasma which includes the argon metastable state as independent species, taking into account electron-atom and atom-atom processes. Results in the case of an hypersonic flow around an infinite cylinder, obtained by using both shock-capturing and shock-fitting approaches, show higher accuracy of the shock-fitting approach.
2015
nonequilibrium; plasma flow; shock fitting; strong shocks; hardware and architecture; physics and astronomy (all)
01 Pubblicazione su rivista::01a Articolo in rivista
An unstructured shock-fitting solver for hypersonic plasma flows in chemical non-equilibrium / Pepe, R; Bonfiglioli, A.; D'Angola, A.; Colonna, G.; Paciorri, Renato. - In: COMPUTER PHYSICS COMMUNICATIONS. - ISSN 0010-4655. - STAMPA. - 196:(2015), pp. 179-193. [10.1016/j.cpc.2015.06.005]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/819070
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