Collision and Coalescence of Water Drops

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  • 1 Electrical Engineering Dept., University of Missouri, Rolla
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Abstract

The coalescence efficiency of drops of diameter 0.5≤d≤2.5 mm colliding in an electric field of 70 V cm−1 was found to be about 0.5. The interactions were observed in the test section of a vertical wind tunnel; for events which were not head-on (small impact parameters) collisions, the coalescence efficiency was found to decrease with increasing impact velocity.

Abstract

The coalescence efficiency of drops of diameter 0.5≤d≤2.5 mm colliding in an electric field of 70 V cm−1 was found to be about 0.5. The interactions were observed in the test section of a vertical wind tunnel; for events which were not head-on (small impact parameters) collisions, the coalescence efficiency was found to decrease with increasing impact velocity.

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