Characteristics of collapsing vapor bubble in subcooled pool water were experimentally investigated in various subcoolings; 1K, 10K, and 20K, with different bubble sizes. In the present study, the collapsing processes were recorded by a high-speed cam...
Characteristics of collapsing vapor bubble in subcooled pool water were experimentally investigated in various subcoolings; 1K, 10K, and 20K, with different bubble sizes. In the present study, the collapsing processes were recorded by a high-speed camera. Acquired data were analyzed using Phase Interface Binarization (PIB), and 3D Reconstructing Assumption (TRA). The occurrence frequencies of bubble, rising distances and condensation times were investigated by PIB analysis. Moreover, the volume of bubbles and volumetric flow rate were calculated by TRA analysis. Based on these results, the fundamental phenomena of earlier boiling were known.