An investigation of plasma expansion jet boundary geometries

Fluid dynamic results of an under-expanding argon plasma expanding from a cylinder sym. arc, a high d. source with small dimensions, into a low pressure vessel with large dimensions are presented. The influence of different boundary jet geometries on the flow parameters and on recombination is examd. by use of a plasma fluid model which can adapt the jet geometry. The fluid model is a radially integrated one-dimensional non-local thermal equil. model, which uses results from the gas dynamic theory of Prandtl-Meyer. [on SciFinder (R)