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- Article name
- NONSTATIONARY ELECTROVORTICAL FLOW PATTERN IN THE BATH MELT WHEN ARC CURRENT IS SWITCHED ON AND SWITCHED OFF
- Authors
- Yachikov I. M., , jachikov@mail.ru, Magnitogorsk State Technical University named after G. I. Nosov, Magnitogorsk, Russia
- Keywords
- DC arc furnace / stain of an arc / bottom electrodes / electrovortical flow patterns / tension of magnetic field / current function
- Year
- 2009 Issue 2 Pages 79 - 83
- Code EDN
- Code DOI
- Abstract
- For reduction of deterioration of lining at the bottom electrodes area the parameters of nonstationary electrovortical flow pattern in the bath melt at DC arc furnace when arc current is switched on and switched off are considered. Appearance and motion of electrovorticals at the bottom electrode area are analyzed, similarity of transient and characteristic time of performance of electrovortical flow patterns are determined. Recommendations on selection parameters of current control at the furnace with two bottom electrodes, which can be used in working units as well as in reengineering and new furnaces are proposed.
- Text
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