電解質プラズマにおけるソリトン

概要

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Posibility of the propagation of solitary wave in electrolyte has been investigated. Configuration of rectangular cages in NaCl electrolyte solution simulates the double layer plasma apparatus of Ikezi and others. Electrical pulse is applied to the cages and the electrical signal is picked up by a single probe inserted into the electrolyte. The signals picked up by the probe are an electrostatic displacement current in a dielectric (water) and an ion current flowing into the probe by the electrical potential difference between the electrolyte and the probe. The signal, delayed from the applied electrical pulse, indicating the solitary wave in the electrolyte plasma could not be detected by the probe. Investigations on the behaviour of the ion indicate that the collision frequency between the ion and the water molecule is so high that the ion acoustic wave decays extremely rapidly and the solitary wave cannot be formed.<BR>The interaction between the ion in electrolyte and the water molecule is much stronger than the interaction between the ion and the neutral gas molecule in gaseous plasma, and the dehaviour of the ion in the electrolyte plasma is different from that in the gaseous plasma.
社団法人プラズマ・核融合学会の論文