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Sodium cooled fast reactor

Patent:

Abstract

In a sodium cooled fast neutron reactor, an ultrasonic generator is installed at a fuel assembly hold-down mechanism positioned above a blanket or fission gas reservoir located above the core. During operation of the reactor an ultrsonic wave of frequency 10/sup 3/ - 10/sup 4/ Hz is constantly transmitted to the core to resonantly inject the primary bubble with ultrasonic energy to thereby facilitate its growth. Hence, small bubbles grow gradually to prevent the sudden boiling of sodium if an accident occurs in the cooling system during operation of the reactor.
Publication Date:
Nov 21, 1968
Product Type:
Patent
Report Number:
JP 1974-8680; B
Reference Number:
EDB-76-052417
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; FAST REACTORS; PRIMARY COOLANT CIRCUITS; BUBBLE GROWTH; SODIUM COOLED REACTORS; BOILING DETECTION; BUBBLES; COOLANTS; REACTOR CONTROL SYSTEMS; REACTOR SAFETY; SODIUM; ULTRASONIC WAVES; VOIDS; ALKALI METALS; CONTROL SYSTEMS; COOLING SYSTEMS; ELEMENTS; EPITHERMAL REACTORS; LIQUID METAL COOLED REACTORS; METALS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; SAFETY; SOUND WAVES; 210500* - Power Reactors, Breeding
OSTI ID:
7191849
Country of Origin:
Japan
Language:
Japanese
Submitting Site:
INIS
Size:
Pages: 3
Announcement Date:

Patent:

Citation Formats

Hokkyo, N, Inoue, K, and Maeda, H. Sodium cooled fast reactor. Japan: N. p., 1968. Web.
Hokkyo, N, Inoue, K, & Maeda, H. Sodium cooled fast reactor. Japan.
Hokkyo, N, Inoue, K, and Maeda, H. 1968. "Sodium cooled fast reactor." Japan.
@misc{etde_7191849,
title = {Sodium cooled fast reactor}
author = {Hokkyo, N, Inoue, K, and Maeda, H}
abstractNote = {In a sodium cooled fast neutron reactor, an ultrasonic generator is installed at a fuel assembly hold-down mechanism positioned above a blanket or fission gas reservoir located above the core. During operation of the reactor an ultrsonic wave of frequency 10/sup 3/ - 10/sup 4/ Hz is constantly transmitted to the core to resonantly inject the primary bubble with ultrasonic energy to thereby facilitate its growth. Hence, small bubbles grow gradually to prevent the sudden boiling of sodium if an accident occurs in the cooling system during operation of the reactor.}
place = {Japan}
year = {1968}
month = {Nov}
}