The University of Southampton

Bipolar Charging of Powders

EPSRC (GR/N28573/01)

During powder handling powder particles collide with each other and with boundary walls and so charge. Particles are found to charge in a bipolar fashion, ie some particles are charged positively, some negatively and some hardly at all. We are investigating fundamental reasons for bipolar charging and are attempting to control it.

Primary investigators

  • Adrian Bailey
  • Professor G S P Castle


  • University of Western Ontario

Associated research groups

  • Electrical Power Engineering
  • Electronics and Electrical Engineering
  • Electronics and Electrical Engineering
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