... light water reactors solidification core melt in-vessel crust solidification lower head heat flux IVR PWR PRV During the late phase of anticipated severe accident in light water reactors (LWRs), the melt pool behavior in the lower head of the RPV is one of the critical issues...

... 2009 03 09 2009 06 07 2010 06 07 2010 boiling fission reactor accidents heat transfer light water reactors Post-boiling transition (post-BT) heat transfer and rewetting phenomena are important to analyze the peak cladding temperature and the duration of surface dryout...

...Tomohiko Ikegawa; Yukiko Kawabata; Yoshihiko Ishii; Masayoshi Matsuura; Shizuka Hirako; Takashi Hoshi A new concept of a small and medium sized light water reactor, named the double MS: modular simplified and medium small reactor (DMS) was developed. The main features of the DMS relative...

... 08 2008 22 08 2008 18 02 2009 drops flow instability light water reactors pressure transducers swirling flow Boiling water nuclear reactors (BWRs) are equipped with steam separators for splitting a two-phase mixture into steam and water before feeding...