Abstract
The fluid equations for an active plasma generated by electron impact containing more than one species of positive ion are examined in detail when the ionization frequencies are assumed to be spatially constant with a view to generalizing the Bohm Criterion. It is shown that in this specific situation the various ion spatial distributions and transverse ion speed distributions are geometrically similar and thus each species arrives at the sheath with its own Bohm speed, when the plasma is collisionless. The collisional situation is also examined with the conclusion that in that case as well, ion densities and ion speeds are again geometrically similar. The transition between the collisionless and collisional cases is discussed but not examined in detail.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
