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Title: Initial conceptual design study of self-critical nuclear pumped laser systems

Abstract

An analytical study of self-critical nuclear pumped laser system concepts was performed. Primary emphasis was placed on reactor concepts employing gaseous uranium hexafluoride (UF6) as the fissionable material. Relationships were developed between the key reactor design parameters including reactor power level, critical mass, neutron flux level, reactor size, operating pressure, and UF6 optical properties. The results were used to select a reference conceptual laser system configuration. In the reference configuration, the 3.2 m cubed lasing volume is surrounded by a graphite internal moderator and a region of heavy water. Results of neutronics calculations yield a critical mass of 4.9 U(235) in the form (235)UF6. The configuration appears capable of operating in a continuous steady-state mode. The average gas temperature in the core is 600 K and the UF6 partial pressure within the lasing volume is 0.34 atm.

Authors:
Publication Date:
Research Org.:
United Technologies Research Center, East Hartford, CT (USA)
OSTI Identifier:
5533651
Report Number(s):
N-79-22875
TRN: 80-004454
DOE Contract Number:  
NAS1-14329
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 42 ENGINEERING; GAS FUELED REACTORS; DESIGN; LASERS; NUCLEAR PUMPING; CONFIGURATION; CRITICAL MASS; URANIUM; ACTINIDES; ELEMENTS; FLUID FUELED REACTORS; HOMOGENEOUS REACTORS; METALS; REACTORS; 210400* - Power Reactors, Nonbreeding, Otherwise Moderated or Unmoderated; 420300 - Engineering- Lasers- (-1989)

Citation Formats

Rodgers, R J. Initial conceptual design study of self-critical nuclear pumped laser systems. United States: N. p., 1979. Web.
Rodgers, R J. Initial conceptual design study of self-critical nuclear pumped laser systems. United States.
Rodgers, R J. 1979. "Initial conceptual design study of self-critical nuclear pumped laser systems". United States.
@article{osti_5533651,
title = {Initial conceptual design study of self-critical nuclear pumped laser systems},
author = {Rodgers, R J},
abstractNote = {An analytical study of self-critical nuclear pumped laser system concepts was performed. Primary emphasis was placed on reactor concepts employing gaseous uranium hexafluoride (UF6) as the fissionable material. Relationships were developed between the key reactor design parameters including reactor power level, critical mass, neutron flux level, reactor size, operating pressure, and UF6 optical properties. The results were used to select a reference conceptual laser system configuration. In the reference configuration, the 3.2 m cubed lasing volume is surrounded by a graphite internal moderator and a region of heavy water. Results of neutronics calculations yield a critical mass of 4.9 U(235) in the form (235)UF6. The configuration appears capable of operating in a continuous steady-state mode. The average gas temperature in the core is 600 K and the UF6 partial pressure within the lasing volume is 0.34 atm.},
doi = {},
url = {https://www.osti.gov/biblio/5533651}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1979},
month = {4}
}

Technical Report:
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