Accession Number : AD0637581

Title :   ACCELERATION PROCESS IN THE HALL CURRENT DEVICE.

Descriptive Note : Scientific rept.

Corporate Author : GENERAL DYNAMICS/CONVAIR SAN DIEGO CALIF SPACE SCIENCE LAB

Personal Author(s) : Rosciszewski,Jan

Report Date : JUN 1966

Pagination or Media Count : 19

Abstract : A simplified analytical model of the flow process in a Hall current accelerator device is discussed. The initial acceleration from subsonic to sonic velocity (due to both Joule heating and a Lorentz force resulting from an ionizing current effect) leads to plasma temperatures and degrees of ionization of the same order of magnitude as those obtained from experiments. Examination of the expansion of the plasma in the magnetic nozzle shows that the energy of aximuthal motion of the plasma is transformed into axial directed energy. For hydrogen the final exhaust plasma velocity is about 100,000 m/sec. (Author)

Descriptors :   (*HALL EFFECT, *PLASMA ACCELERATORS), (*MAGNETOHYDRODYNAMICS, HALL EFFECT), ACCELERATION, GAS FLOW, PLASMAS(PHYSICS)

Subject Categories : Electricity and Magnetism
      Plasma Physics and Magnetohydrodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE