A STUDY OF THE SHAPE AND MOTION OF AN ARC DISCHARGE IN A TRANSVERSE MAGNETIC FIELD.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
Pagination or Media Count:
The report presents the results of an experimental investigation of the shape and motion assumed by an electric arc discharge in a transverse magnetic field. The experiments were performed on a direct current arc discharge in an argon environment at sub-atmospheric pressures. Photographic data, both still and high-speed motion picture, were obtained. The arc shape from a thermionically emitting tungsten cathode was observed for various values of magnetic induction, pressures, electrode separations, and arc currents. The rotational velocity of an arc between two concentric copper ring electrodes was measured for various magnetic inductions, pressures, and electrode separation distances. The results obtained were in general agreement with the magnetic pumping theory of retrograde arc motion. Author
- Fluid Mechanics