modification of the vaporization state involving a quick and large reduction of the thermal exchange at the wall caused by departure from nucleate to film boiling
Note 1 to entry: In the core, this phenomenon can cause a temperature elevation and some damages on the fuel elements. Note 2 to entry: In the steam generator, this phenomenon can cause performance degradation, corrosion and formation of sediments on the dried parts. Note 3 to entry: This entry was numbered 393-17-56 in IEC 60050-393:2003.
|