Abstract
Abstract An experimental study was carried out to study the relative stabilities of charged and uncharged aerosols. The clouds differed in that charged aerosol had been passed through a DC corona. The aerosol was continuously generated at a point in a low-velocity wind tunnel in which relative cloud and tunnel dimensions practically eliminated wall effects. Aerosol cloud dimensions were determined at several distances downwind from the point of generation for both charged and uncharged aerosols. The rarefaction phenomenon produced as a result of the unipolar charging was measured for both positive and negative corona. The relative effects are noted. The point at which aerodynamic effects predominate over electrostatic effects is noted. The several forces affecting the interparticle spacing are considered in explaining the phenomena noted in these experiments.
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