Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : October 12, 2019 - October 13, 2019
The heat flow characteristics of forced convection subcooled boiling greatly depend on the bubble diameter. For this reason, many studies on the bubble diameter have been conducted, but most studies are on the average bubble diameter and the effect of nucleation site shape on the bubble has not been considered. In this study, a visualization experiment is conducted for low-pressure forced convection subcooled boiling using water as a working fluid. The bubble diameter distribution generated in the nucleation site is explored by image analysis, the nucleation site shape is examined by microscopic observation, and the relationship between the generated bubble size and the nucleation site shape was considered. A great correlation between them was indicated.
