Fail-safe reactivity compensation method for a nuclear reactor

Nygaard, Erik T.; Angelo, Peter L.; Aase, Scott B.

Title: Fail-safe reactivity compensation method for a nuclear reactor

Patent · Tue Jan 23 00:00:00 EST 2018

OSTI ID:1417852

Nygaard, Erik T.; Angelo, Peter L.; Aase, Scott B.

The present invention relates generally to the field of compensation methods for nuclear reactors and, in particular to a method for fail-safe reactivity compensation in solution-type nuclear reactors. In one embodiment, the fail-safe reactivity compensation method of the present invention augments other control methods for a nuclear reactor. In still another embodiment, the fail-safe reactivity compensation method of the present invention permits one to control a nuclear reaction in a nuclear reactor through a method that does not rely on moving components into or out of a reactor core, nor does the method of the present invention rely on the constant repositioning of control rods within a nuclear reactor in order to maintain a critical state.

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Research Organization:: BWX Technologies, Inc., Charlotte, NC (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC52-09NA29596

Assignee:: BWX Technologies, Inc. (Charlotte, NC)

Patent Number(s):: 9,875,818

Application Number:: 13/649,419

OSTI ID:: 1417852

Resource Relation:: Patent File Date: 2012 Oct 11

Country of Publication:: United States

Language:: English

References (12)

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Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit Tuley, Jr., Charles R.; Bauman, Douglas A.; Feilchenfeld, Michal M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4582672 US Patent Document 4,582,672	patent	April 1986
Reactivity control of nuclear fuel pellets by volumetric redistribution of fissile, fertile and burnable poison material Santucci, Joseph https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4668468 US Patent Document 4,668,468	patent	May 1987
Nuclear reactivity control using laser induced polarization Bowman, Charles https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5063019 US Patent Document 5,063,019	patent	November 1991
Method and apparatus for increasing fuel efficiency in nuclear reactors Edlund, Milton C.; Hendricks, Robert W.; Swanson, Robert E. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5075069 US Patent Document 5,075,069	patent	December 1991
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Nuclear Reactor Control Rod Burger, Joseph M.; Smith, JR., George P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090034674 US Patent Application 11/830173; 20090034674	patent-application	February 2009
Combinatorial Heterogeneous-Homogeneous Reactor Neeley, Gary W.; Inman, James B. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090225923 US Patent Application 12/397070; 20090225923	patent-application	September 2009
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