Patent ID: 6173028
Filing Date: 2001-01-09
Classification: G21C,Y02E

Abstract:
A structure for promoting intermixing of heated fluid streams in a nuclear reactor, said structure being disposed within a upper plenum (40) defined within a nuclear reactor vessel (10) of said nuclear reactor above a core having a low temperature region (a) and a high temperature region (d) where a heated fluid flows at a low temperature and a high temperature, respectively, said upper plenum (40) being hydraulically communicated to an outlet nozzle (12) installed at a side wall of said nuclear reactor vessel (10), said intermixing promoting structure comprising:heated fluid guide members each formed in a short length and installed within said upper plenum (40) for guiding said heated fluid (b') flowing out from said low temperature region (a) of said reactor core to the vicinity of said outlet nozzle (12).