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Title: REACTOR AND NOVEL METHOD

Abstract

A nuclear reactor of the type which uses a liquid fuel and a method of controlling such a reactor are described. The reactor is comprised essentially of a tank for containing the liquid fuel such as a slurry of discrete particles of fissionnble material suspended in a heavy water moderator, and a control means in the form of a disc of neutron absorbirg material disposed below the top surface of the slurry and parallel thereto. The diameter of the disc is slightly smaller than the diameter of the tank and the disc is perforated to permit a flow of the slurry therethrough. The function of the disc is to divide the body of slurry into two separate portions, the lower portion being of a critical size to sustain a nuclear chain reaction and the upper portion between the top surface of the slurry and the top surface of the disc being of a non-critical size. The method of operation is to raise the disc in the reactor until the lower portion of the slurry has reached a critical size when it is desired to initiate the reaction, and to lower the disc in the reactor to reduce the size ofmore » the lower active portion the slurry to below criticality when it is desired to stop the reaction.« less

Inventors:
;
Issue Date:
OSTI Identifier:
4310575
Patent Number(s):
2840522
Assignee:
U. S. Atomic Energy Commission
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
NSA Number:
NSA-12-014469
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-58
Country of Publication:
United States
Language:
English
Subject:
PATENTS; ABSORPTION; CONFIGURATION; CONTROL SYSTEMS; CRITICALITY; FISSIONABLE MATERIALS; FUEL SLURRIES; FUEL SOLUTIONS; HEAVY WATER MODERATOR; LEAKS; NEUTRONS; NUCLEAR REACTIONS; PATENT; PRESSURE; REACTORS; SURFACES; SUSPENSIONS; VESSELS

Citation Formats

Young, G J, and Ohlinger, L A. REACTOR AND NOVEL METHOD. United States: N. p., 1958. Web.
Young, G J, & Ohlinger, L A. REACTOR AND NOVEL METHOD. United States.
Young, G J, and Ohlinger, L A. Tue . "REACTOR AND NOVEL METHOD". United States.
@article{osti_4310575,
title = {REACTOR AND NOVEL METHOD},
author = {Young, G J and Ohlinger, L A},
abstractNote = {A nuclear reactor of the type which uses a liquid fuel and a method of controlling such a reactor are described. The reactor is comprised essentially of a tank for containing the liquid fuel such as a slurry of discrete particles of fissionnble material suspended in a heavy water moderator, and a control means in the form of a disc of neutron absorbirg material disposed below the top surface of the slurry and parallel thereto. The diameter of the disc is slightly smaller than the diameter of the tank and the disc is perforated to permit a flow of the slurry therethrough. The function of the disc is to divide the body of slurry into two separate portions, the lower portion being of a critical size to sustain a nuclear chain reaction and the upper portion between the top surface of the slurry and the top surface of the disc being of a non-critical size. The method of operation is to raise the disc in the reactor until the lower portion of the slurry has reached a critical size when it is desired to initiate the reaction, and to lower the disc in the reactor to reduce the size of the lower active portion the slurry to below criticality when it is desired to stop the reaction.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1958},
month = {6}
}