Abstract
ABSTRACT Times for drying and nucleation of saline solutions exposed to relatively high fluxes of unipolar air ions, produced by corona electrodes, were studied with a beta-ray gauge. Ion-treated solutions of NaCl of various concentrations dried about 3.2 times faster when exposed to either 2.54 x 1012;positive or 4.42 x 1012 negative air ions cm-2 s-1 than the control samples. The nucleation site in a solution was observed to be directly below the emitting electrode; whereas nucleation appeared to be spatially random for untreated solutions. The solutions nucleated earlier when treated with the ion fluxes than the control. Electric wind caused by the ionic drag is proposed as the principal driving force for the enhancement of the drying process. The phenomenon of elctrostriction might have also aided in nucleating the solutions.
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