Abstract

Abstract The behavior of large two-phase bubbles of ∼1.5 gram of hot water (at initial temperatures from 160°C to 280°C) in a tank of cold water was studied experimentally. Films of the bubble expansion and collapse provided information on bubble size and surface conditions. Pressure traces provided information on bubble pressure and oscillation period. It was observed that the expanding surface was initially unstable, that some of the bubble then appeared to be quenched by the cold water, and that the bubble surface then became stable.

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