Apparatus for promoting intermixing of heated coolant streams in nuclear reactor

Apparatus for promoting intermixing of heated coolant streams in nuclear reactor

An apparatus for promoting intermixing of heated fluid streams within a nuclear reactor vessel is implemented in such structural configuration and disposition as to be capable of not only promoting uniform temperature distribution of a heated fluid stream flowing into an outlet nozzle but also reduc...

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Hauptverfasser: IZUMI,HAJIME, MATSUSHIMA, YOKO, TSUTSUI, TAKEHIKO, KURIMURA, CHIKARA, ICHIKAWA, TOSHIO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator IZUMI,HAJIME
MATSUSHIMA, YOKO
TSUTSUI, TAKEHIKO
KURIMURA, CHIKARA
ICHIKAWA, TOSHIO
description An apparatus for promoting intermixing of heated fluid streams within a nuclear reactor vessel is implemented in such structural configuration and disposition as to be capable of not only promoting uniform temperature distribution of a heated fluid stream flowing into an outlet nozzle but also reducing flow resistance which the heated fluid encounters within a upper plenum of the reactor vessel. The apparatus is disposed within a upper plenum (40) defined within a nuclear reactor vessel (10) of a 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. The upper plenum (40) is hydraulically communicated to outlet nozzles (12) installed at a side wall of the nuclear reactor vessel (10). The apparatus includes heated fluid guide members each having a predetermined short length and installed within the upper plenum (40) for guiding a heated fluid (b') flowing out from the low temperature region of the reactor core to the vicinity of the outlet nozzle (12).
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title Apparatus for promoting intermixing of heated coolant streams in nuclear reactor
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