3D MHD unsteady state modeling of a high voltage - low current plasma torch operating with air

Alexandre Lebouvier (1, 2) , Clarisse Delalondre (3) , François Fresnet (2) , Frédéric Fabry (1) , Valérie Boch (2) , Vandad-Julien Rohani (1) , François Cauneau (1) , Laurent Fulcheri (4)

1 CEP - Centre Énergétique et Procédés
2 Technocentre Renault [Guyancourt]
3 EDF R&D MFEE - Mécanique des Fluides, Energies et Environnement
4 CEP/Sophia

A non-transferred high voltage - low current DC plasma torch operating with air has been simulated using Code_Saturne CFD software for current lower than 1 A. The 3D MHD model considers two injection configurations: axial and vortex. The current and the air flow rate have been tuned in the range 0.3 to 0.6 A and 0.16 to 0.5 g/s, respectively. The influence of these parameters on the arc behavior and the arc characteristics has been studied in terms of temperature, velocity, electrical potential and Joule heating.

Mots clés: MHD modeling; low current; plasma torch

Domaines: Sciences de l'ingénieur [physics]; Energétique

Alexandre Lebouvier, Clarisse Delalondre, François Fresnet, Frédéric Fabry, Valérie Boch, et al.. 3D MHD unsteady state modeling of a high voltage - low current plasma torch operating with air. 20th International Symposium on Plasma Chemistry - ISPC20, Jul 2011, Philadelphia, United States. 4 p. ⟨hal-00617440⟩