Microparticle Dynamics in Electrostatic and Flow Fields

Released on by Sheng Chen
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  • Microparticle Dynamics in Electrostatic and Flow Fields Book Detail

  • Author : Sheng Chen
  • Release Date : 2023-04-30
  • Publisher : Springer Nature
  • Genre : Technology & Engineering
  • Pages : 153
  • ISBN 13 : 9811608431
  • File Size : 77,77 MB
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Microparticle Dynamics in Electrostatic and Flow Fields by Sheng Chen PDF Summary

Book Description: This thesis proposes new approaches for modelling contacting interactions and electrostatic interactions between microparticles in the framework of the discrete element method and presents a systematic investigation on the agglomeration, migration and deposition of microparticles in presence of electrostatic and flow fields. It reports an exponential-form scaling for the size distribution of early-stage agglomerates in homogeneous isotropic turbulence and formulate the agglomeration and deagglomeration rates. The evolution of spherical clouds of charged particles that migrate under the action of an external electrostatic field is then investigated. Scaling laws of cloud radius and particle number density are obtained by solving a continuum convection equation. Finally, it investigates the deposition of charged particles on a flat plane and fibers. A dimensionless adhesion parameter is constructed to predict the structure of deposits. The temporal evolution of the deposit structure, particle capture efficiency, and the pressure drop are displayed with varying values of Coulomb repulsion and adhesion magnitudes.

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Adhesive Particle Flow

Adhesive Particle Flow

File Size : 9,9 MB
Total View : 6010 Views
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This is targeted at professionals and graduate students working in disciplines where flow of adhesive particles plays a significant role.