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Electrostatic Force Flow Visualization

Charles A. Yost
Year: 1995
Keywords: coherent thread, corona, electron theory, high-voltage, ion flow, schlieren imagery
Yost examines the discharge from the electrodes of a DSI Wimshurst generator. Schlieren imaging reveals a coherent thread constantly emanating from charged, pointed negative electrodes, and cumulus puffs at the negative electrode upon discharge. Corona effects of different-shaped cathodes and anodes are observed in the dark under a microscope.