Static electrification phenomena in pneumatic transportation of coal
β Scribed by M. Nifuku; T. Ishikawa; T. Sasaki
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 374 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0304-3886
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## Abstract Increase of static electrification activity and discharge generation was experienced during the service operation of an aged power transformer. The transformer oil had high sulfide and sulfoxide contents and was liable to show high ECT value after aging. However, there was no apparent i
## Abstract Electrostatic characteristics in gasβsolids flow in a metal pipe are studied both theoretically and experimentally with particular attention to the collision between particles and pipe wall. Effects of gas velocity and particle diameter on the electrification are also examined.
A method of mixing Particulate materials during their pneumatic transport is proposed. The calculation of this operation is hased on the efGctive Particle dispersion coefficient determined in extxriments. This new method of Particle mixing has heen used to neutralize the electric charge on the parti