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Title: NEUTRONIC REACTOR CORE INSTRUMENT

Abstract

A multi-purpose instrument for measuring neutron flux, coolant flow rate, and coolant temperature in a nuclear reactor is described. The device consists essentially of a hollow thimble containing a heat conducting element protruding from the inner wall, the element containing on its innermost end an amount of fissionsble materinl to function as a heat source when subjected to neutron flux irradiation. Thermocouple type temperature sensing means are placed on the heat conducting element adjacent the fissionable material and at a point spaced therefrom, and at a point on the thimble which is in contact with the coolant fluid. The temperature differentials measured between the thermocouples are determinative of the neutron flux, coolant flow, and temperature being measured. The device may be utilized as a probe or may be incorporated in a reactor core. (AE C)

Inventors:
Issue Date:
OSTI Identifier:
4021405
Patent Number(s):
2997587
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-15-025018
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-61
Country of Publication:
United States
Language:
English
Subject:
ENGINEERING AND EQUIPMENT; CONTROL SYSTEMS; COOLANTS; FISSION; FLUIDS; HEATING; INSTRUMENTS; NEUTRON DETECTION; NEUTRON FLUX; RADIATIONS; REACTOR CORE; SENSITIVITY; TEMPERATURE; THERMOCOUPLES

Citation Formats

Mims, L S. NEUTRONIC REACTOR CORE INSTRUMENT. United States: N. p., 1961. Web.
Mims, L S. NEUTRONIC REACTOR CORE INSTRUMENT. United States.
Mims, L S. Tue . "NEUTRONIC REACTOR CORE INSTRUMENT". United States.
@article{osti_4021405,
title = {NEUTRONIC REACTOR CORE INSTRUMENT},
author = {Mims, L S},
abstractNote = {A multi-purpose instrument for measuring neutron flux, coolant flow rate, and coolant temperature in a nuclear reactor is described. The device consists essentially of a hollow thimble containing a heat conducting element protruding from the inner wall, the element containing on its innermost end an amount of fissionsble materinl to function as a heat source when subjected to neutron flux irradiation. Thermocouple type temperature sensing means are placed on the heat conducting element adjacent the fissionable material and at a point spaced therefrom, and at a point on the thimble which is in contact with the coolant fluid. The temperature differentials measured between the thermocouples are determinative of the neutron flux, coolant flow, and temperature being measured. The device may be utilized as a probe or may be incorporated in a reactor core. (AE C)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1961},
month = {8}
}