Electrification of particles by impact on inclined metal plates

✍ Scribed by Hiroaki Masuda; Koichi Iinoya

• Book ID: 102693976
• Publisher: American Institute of Chemical Engineers
• Year: 1978
• Tongue: English
• Weight: 707 KB
• Volume: 24
• Category: Article
• ISSN: 0001-1541
• DOI: 10.1002/aic.690240603

✦ Synopsis

Abstract

The electrification of particles falling onto metal surfaces was well correlated with the normal component of the impact velocity, showing that the electrification was mainly caused by the deformation of contact bodies. The current generated by the electrification at higher impact velocities was proportional to the velocity, while the current at lower velocities showed a different tendency. The elastic and plastic‐elastic collision theory including particle roundness was used to explain these experimental results. Further, the coefficient of restitution, which was related to the work done by normal impulse, was determined by means of the velocity at the elastic limit obtainable from electrification data.