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Title: Fast Burst Reactors In The U.S.A.

Abstract

In order to increase the fission yield per burst, efforts have been directed toward the development of cores which maintain dimensional stability when subjected to more extreme temperature cycles than may be tolerated in normal uranium metal. There also have been attempts to eliminate inertial difficulties related to the quenching delay associated with the finite time for translating fission energy into surface or volume expansion. This delay leads to an effective broadening of the bursts at a given yield. The second series of burst reactors as referred to here are those which employ an alloy of uranium, specifically 10 weight percent molybdenum (U-10 w/o Mo), in which extensive metallurgical tests have indicated relatively small crystal growth and excellent phase stability during or following repeated large temperature cycles (~500°C). Research Reactor) at Oak Ridge National Laboratory, Molly-G or FBR (Fast Burst Reactor) at White Sands Missile Range, and Super Kukla at Lawrence Radiation Laboratory; three additional models similar to HPRR and Molly-G are in the final planning stages, one at Sandia Corporation, one at Aberdeen Proving Grounds, and one at LASL. None of these reactors has produced more than a total of ~300 bursts to be compared with many thousands formore » a typical reactor of the first series. Accordingly, such devices may be considered in a relatively early stage of development.« less

Authors:
 [1]
  1. Los Alamos Scientific Lab., Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos Scientific Lab., Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
4594044
Report Number(s):
LA-DC-6786; SM-62/53; CONF-650
NSA Number:
NSA-19-031607
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Technical Report
Resource Relation:
Other Information: From IAEA Symposium on Pulsed Neutron Methods, Karlsruhe, Ger. Orig. Receipt Date: 31-DEC-65
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; CONFERENCE; CRITICAL ASSEMBLIES; FAST BURST REACTOR; FAST NEUTRONS; FRAN; FUELS; GERMANY; GODIVA-1; GODIVA-2; HPRR; KUKLA; MOLYBDENUM ALLOYS; NEUTRON SOURCES; OPERATION; PLANNING; PROMPT NEUTRONS; PULSES; REACTIVITY; REACTOR SAFETY; REACTORS; RESEARCH REACTORS; SPRF; TRIGA SERIES; URANIUM; URANIUM ALLOYS; Conference; Critical Assemblies; Fast Burst Reactor; Fast Neutrons; Fran; Fuels; Germany; Godiva-1; Godiva-2; Hprr; Kukla; Molybdenum Alloys; Neutron Sources; Operation; Planning; Prompt Neutrons; Pulses; Reactivity; Reactor Safety; Reactors; Research Reactors; Triga Series; Uranium; Uranium Alloys

Citation Formats

Wimett, Thomas F. Fast Burst Reactors In The U.S.A.. United States: N. p., 1965. Web. doi:10.2172/4594044.
Wimett, Thomas F. Fast Burst Reactors In The U.S.A.. United States. https://doi.org/10.2172/4594044
Wimett, Thomas F. 1965. "Fast Burst Reactors In The U.S.A.". United States. https://doi.org/10.2172/4594044. https://www.osti.gov/servlets/purl/4594044.
@article{osti_4594044,
title = {Fast Burst Reactors In The U.S.A.},
author = {Wimett, Thomas F.},
abstractNote = {In order to increase the fission yield per burst, efforts have been directed toward the development of cores which maintain dimensional stability when subjected to more extreme temperature cycles than may be tolerated in normal uranium metal. There also have been attempts to eliminate inertial difficulties related to the quenching delay associated with the finite time for translating fission energy into surface or volume expansion. This delay leads to an effective broadening of the bursts at a given yield. The second series of burst reactors as referred to here are those which employ an alloy of uranium, specifically 10 weight percent molybdenum (U-10 w/o Mo), in which extensive metallurgical tests have indicated relatively small crystal growth and excellent phase stability during or following repeated large temperature cycles (~500°C). Research Reactor) at Oak Ridge National Laboratory, Molly-G or FBR (Fast Burst Reactor) at White Sands Missile Range, and Super Kukla at Lawrence Radiation Laboratory; three additional models similar to HPRR and Molly-G are in the final planning stages, one at Sandia Corporation, one at Aberdeen Proving Grounds, and one at LASL. None of these reactors has produced more than a total of ~300 bursts to be compared with many thousands for a typical reactor of the first series. Accordingly, such devices may be considered in a relatively early stage of development.},
doi = {10.2172/4594044},
url = {https://www.osti.gov/biblio/4594044}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1965},
month = {5}
}