Accession Number : ADA131083
Title : Anode Plasma Expansion in Pinch-Reflex Diodes.
Descriptive Note : Memorandum rept.,
Corporate Author : NAVAL RESEARCH LAB WASHINGTON DC
Personal Author(s) : Colombant,D G ; Goldstein,Shyke A
PDF Url : ADA131083
Report Date : 16 Aug 1983
Pagination or Media Count : 17
Abstract : Anode plasma expansion in pinch reflex diodes is investigated using a one-dimensional magneto-hydrodynamic model. Early in time, the plasma undergoes thermal expansion and its front is slowed down due to jxB. After the current has reached its maximum and for small radius where j and B are larger, jxB may accelerate the bulk of the anode plasma to large velocities. Good qualitative agreement is obtained with the experimental observations of the time dependence of the plasma velocity as well as its radial profile. The maximum expansion velocities reach tens of cm/microsecs.
Descriptors : *Mathematical models, *Plasmas(Physics), *Magnetohydrodynamics, Anodes, Diodes, One dimensional, Thermal expansion, Velocity, Ion beams, Brightness, Time dependence, Density, Pulses
Subject Categories : Numerical Mathematics
Plasma Physics and Magnetohydrodynamics
Distribution Statement : APPROVED FOR PUBLIC RELEASE