A risk characterization of safety research areas for Integral Fast Reactor program planning Page: 3 of 19
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A Risk Characterization of Safety Research Areas
for Integral Fast Reactor Program Planning
C. J. Mueller, J. E. Cahalan, D. J. Hill, J. V. Krarer,
J. F. Marchaterre, D. R. Pedersen, R. H. Sevy, R. W. Tilbrook,
T. Y. Wei, A. E. Vrioht
Introduction and Summary
Through emphasis on inherent safety, the Integral Fast Reactor (IFR)
design concept has attained extremely low levels of risk from core disruption
sequences, which have traditionally constituted the primary risk of nuclear
reactors to public health and safety. This paper develops a risk framework
for these sequences which demonstrates the importance of the key elements of
IFR safety research in having established the low risk posture of the
innovative designs (SAFR and PRISM) using metal fuels. Its purpose is to
provide a qualitative measure of the potential for still further risk
reduction as a guide to the establishment of research priorities for future
An overview of the top-level types of safety research can be obtained by
looking at the main elements of the project Work Breakdown Structure:
1. In-pile experiments are used to determine the margins to failure for
and validate the analysis of the transient behavior of metal fuel;
2. safety modeling and analyses investigate the safety aspects of metal
fuels over a wide range of reactor sizes and are applied to the
innovative reactor designs (PRISM and SAFR);
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Mueller, C.J.; Cahalan, J.E.; Hill, D.J.; Kramer, J.M.; Marchaterre, J.F.; Pedersen, D.R. et al. A risk characterization of safety research areas for Integral Fast Reactor program planning, article, January 1, 1988; Illinois. (digital.library.unt.edu/ark:/67531/metadc1055491/m1/3/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.