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Title: Increased Plutonium-238 Production via High Flux Isotope Reactor Permanent Beryllium Reflector Redesign

Abstract

Irradiation of 237Np-bearing targets in the permanent beryllium reflector (PBR) of Oak Ridge National Laboratory’s (ORNL) High Flux Isotope Reactor (HFIR) results in high-purity 238Pu that can be used as a reliable power source for deep space and planetary National Aeronautics and Space Administration missions. However, HFIR’s 238Pu production capability is constrained by the available irradiation volume in its PBR. In preparation for the HFIR beryllium change-out in 2023, ORNL staff have redesigned the PBR to include six additional irradiation sites, be more versatile with respect to irradiation and scattering experiments, and enhance its thermal-structural performance. The new PBR design offers large potential increases in annual 238Pu production at ORNL.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1502566
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: Nuclear and Emerging Technologies for Space 2019 - Richland, Washington, United States of America - 2/25/2019 5:00:00 AM-2/28/2019 5:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Chandler, David, Crowell, Michael W., and Royston, Katherine E. Increased Plutonium-238 Production via High Flux Isotope Reactor Permanent Beryllium Reflector Redesign. United States: N. p., 2019. Web.
Chandler, David, Crowell, Michael W., & Royston, Katherine E. Increased Plutonium-238 Production via High Flux Isotope Reactor Permanent Beryllium Reflector Redesign. United States.
Chandler, David, Crowell, Michael W., and Royston, Katherine E. Fri . "Increased Plutonium-238 Production via High Flux Isotope Reactor Permanent Beryllium Reflector Redesign". United States. https://www.osti.gov/servlets/purl/1502566.
@article{osti_1502566,
title = {Increased Plutonium-238 Production via High Flux Isotope Reactor Permanent Beryllium Reflector Redesign},
author = {Chandler, David and Crowell, Michael W. and Royston, Katherine E.},
abstractNote = {Irradiation of 237Np-bearing targets in the permanent beryllium reflector (PBR) of Oak Ridge National Laboratory’s (ORNL) High Flux Isotope Reactor (HFIR) results in high-purity 238Pu that can be used as a reliable power source for deep space and planetary National Aeronautics and Space Administration missions. However, HFIR’s 238Pu production capability is constrained by the available irradiation volume in its PBR. In preparation for the HFIR beryllium change-out in 2023, ORNL staff have redesigned the PBR to include six additional irradiation sites, be more versatile with respect to irradiation and scattering experiments, and enhance its thermal-structural performance. The new PBR design offers large potential increases in annual 238Pu production at ORNL.},
doi = {},
url = {https://www.osti.gov/biblio/1502566}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {2}
}

Conference:
Other availability
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