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Title: Non-invasive in-situ imaging of interior of nuclear reactors

Abstract

Techniques, systems, and devices are disclosed for non-invasive monitoring and imaging of nuclear fuel inside a nuclear reactor using muon detector arrays. In one aspect, these detector arrays are placed outside the reactor vessel or building for investigating the reactors without access to the cores, therefore the imaging process is non-invasive. In some implementation, these detector arrays measure both muon scattering and absorption to enable imaging and characterizing not only the very high-Z fuel materials, but also other materials in the reactor, thereby obtaining a more complete picture of reactor status. When applied to damaged reactors, the disclosed proposed techniques, systems, and devices, through the process of providing an image, can reveal the presence (or absence) of damage to fuel rod assemblies or puddles of molten fuel at the bottom of the containment vessel, thus providing crucial information to guide decisions about remedial actions.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1650746
Patent Number(s):
10614922
Application Number:
14/676,636
Assignee:
Decision Sciences International Corporation (Poway, CA)
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 G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Resource Relation:
Patent File Date: 04/01/2015
Country of Publication:
United States
Language:
English

Citation Formats

Milner, Edward Casteel, Borozdin, Konstantin N., Morris, Christopher L., Miyadera, Haruo, and Perry, John Oliver. Non-invasive in-situ imaging of interior of nuclear reactors. United States: N. p., 2020. Web.
Milner, Edward Casteel, Borozdin, Konstantin N., Morris, Christopher L., Miyadera, Haruo, & Perry, John Oliver. Non-invasive in-situ imaging of interior of nuclear reactors. United States.
Milner, Edward Casteel, Borozdin, Konstantin N., Morris, Christopher L., Miyadera, Haruo, and Perry, John Oliver. Tue . "Non-invasive in-situ imaging of interior of nuclear reactors". United States. https://www.osti.gov/servlets/purl/1650746.
@article{osti_1650746,
title = {Non-invasive in-situ imaging of interior of nuclear reactors},
author = {Milner, Edward Casteel and Borozdin, Konstantin N. and Morris, Christopher L. and Miyadera, Haruo and Perry, John Oliver},
abstractNote = {Techniques, systems, and devices are disclosed for non-invasive monitoring and imaging of nuclear fuel inside a nuclear reactor using muon detector arrays. In one aspect, these detector arrays are placed outside the reactor vessel or building for investigating the reactors without access to the cores, therefore the imaging process is non-invasive. In some implementation, these detector arrays measure both muon scattering and absorption to enable imaging and characterizing not only the very high-Z fuel materials, but also other materials in the reactor, thereby obtaining a more complete picture of reactor status. When applied to damaged reactors, the disclosed proposed techniques, systems, and devices, through the process of providing an image, can reveal the presence (or absence) of damage to fuel rod assemblies or puddles of molten fuel at the bottom of the containment vessel, thus providing crucial information to guide decisions about remedial actions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}

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