Accession Number:

AD0734786

Title:

The Effects of Channel Size on the Ionization Instability in MHD Generators,

Descriptive Note:

Corporate Author:

STANFORD UNIV CALIF INST FOR PLASMA RESEARCH

Personal Author(s):

Report Date:

1971-08-01

Pagination or Media Count:

136.0

Abstract:

An experimental and theoretical study of the ionization instability in nonequilibrium, continuous-electrode MHD generators is presented. A linear-perturbation analysis was performed on a set of equations describing the free electrons and consisting of Ohms law, the electron energy equation, the Saha equation, Maxwells relations, and the boundary conditions suitable for continuous electrodes. Essential to the analysis is the retention of the radiation and heat conduction terms of the energy equation. The inclusion of the boundary conditions and the wavelength dependent terms radiation and conduction in the energy equation allow the prediction of the critical Hall parameter for various modes of the instability and the prediction of the wavelength having the largest growth rate. Author

Subject Categories:

  • Electric Power Production and Distribution
  • Plasma Physics and Magnetohydrodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE