Exploration of arc spot motion in the presence of magnetic fields
β Scribed by M. Auweter-Ming; H.O. Schrade
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 582 KB
- Volume
- 93-94
- Category
- Article
- ISSN
- 0022-3115
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π SIMILAR VOLUMES
Cathode spot types and spot motion of arcs in ultra high vacuum have been investigated with large area cathodes that consisted of two adjacent pieces of Mo and Cu. Arc currents were 20-60 A dc and 8-20 kApulse (duration about 1 ms). Two spot types occured with different velocities and surface erosio
Convection driven by horizontal temperatures gradients in an electrically conducting, viscous, Boussinesq fluid has been studied on a computer. Results of numerical experimentswith a Grashof number of 1 are presented and compared with linear theory. Weak magnetic fields are distorted and concentrate