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Numerical Simulation of Carrier Behavior Around a Magnet Roll in a Two-Component Developer Unit in Electrophotography

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A new particle simulator to analyze the behavior of carrier beads around a magnet roll in a two-component developer unit in electrophotography has been developed. The simulator, which is based on the Discrete Element Method, including the magnetic interaction force among particles in a magnetic field, adopts parallel processing with MPI and/or OpenMP. Parallel processing of the particle simulator with several processors provides excellent performance to simulate the behavior of a realistic amount of particles in a practical time. The simulation results obtained for tens of thousands of carrier beads reveals not only realistic particle behavior around a magnet roll but also the quantitative relation between the stress on the carrier and the amount of carrier beads that passes through a gap between the doctor blade and the magnet roll. These are very important parameters to obtain high-quality images in a two-component developer unit.

Document Type: Research Article

Publication date: 2005-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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