Abstract
Improvement of CHF requires that the cooling liquid can contact the heating surface, or a high-wettability heating surface, even if a vapor bubble layer is generated on the surface. From this point of view, an experimental study to investigate boiling condition was performed by use of an ITO glass after a γ ray irradiation environment. The results showed that the number of nucleation site was decreased and diameter of generating bubble was increased after ^<60>Co γ ray irradiated.
