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INVESTIGATIONS ON THE FORMATION AND PROPAGATION OF THE PLASMA IN MHD CHANNEL FLOWS.
Annual technical rept. no. 1, 1 Jan-31 Dec 69,
COLORADO STATE UNIV FORT COLLINS DEPT OF MECHANICAL ENGINEERING
Pagination or Media Count:
The report contains specific investigations relevant to technical plasmas, in particular plasmas in energy conversion systems A kinetic theory of subsonic and supersonic transport processes is given for weakly ionized and fully ionized plasmas. Subsonic and supersonic transport processes are discussed by means of typical examples current transport in strong electric fields, thermal nonequilibrium in strong electric fields, test particle problem. Analytical solutions are established for the boundary-value problem of the convection and diffusion of temperature and particle distributions in gaseous flows, and for the nonlinear Helmholtz equation describing the ionization-recombination kinetics with diffusion. A perturbation theoretical solution is derived for the nonlinear space charge problem of a plane plasma capacitor in a strong electric field, and an analytical model is developed for the nonlinear space charge oscillations excited by application of a strong voltage pulse. A preliminary account on the problem of ionization of excited atoms by turbulent electric fields in plasmas and the magnetohydrodynamic turbulence in presence of a strong magnetic field is presented. Author
APPROVED FOR PUBLIC RELEASE