Preconceptual ABC design definition and system configuration layout Page: 7 of 145
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PRECONCEPTUAL ABC DESIGN DEFINITION AND SYSTEM CONFIGURATION LAYOUT
PRECONCEPTUAL
ABC DESIGN DEFINITION AND
SYSTEM CONFIGURATION LAYOUT
OBJECTIVE: Define Preconceptual ABC Design and System Configuration
Layout That Meets ABC Safety and Performance Requirements.
1.0 INTRODUCTION
1.1 MSBR as a Basis for Design
In 1971, ORNL published a conceptual design of a molten salt breeder reactor (MSBR)'
that has been used extensively in this report in guiding the development of the ABC
plant layout. The ORNL design is based on an extensive experience base in molten
salt reactor technology and molten salt reactor design and, for all practical purposes,
has to be the point of reference (and departure) for any new molten salt system
layout. Such a decision is also supported by the fact that since the termination of the
molten salt reactor program in the 1970's, no more molten salt reactor design and
technology development work has been conducted in the U.S.'
1.2 Changes in Reactor Design Approach Since the MSBR
While the stoppage of the molten salt reactor program two decades ago froze the
molten salt reactor technology base to that of the mid 1970's, changes in the
approaches to reactor design, safety and licensing happened since that time that have
(i) Under the NASAP Program during the late 1970's, ORNL developed the conceptual
design characteristics of a denatured molten salt reactor with once-through fueling (ORNL-
TM-7207) that was based on the earlier MSBR design. However, no follow-up design was
conducted, and the technology development program has been dormant since.MARCH 1995
REVISION 0
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Barthold, W. Preconceptual ABC design definition and system configuration layout, report, March 1, 1995; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc715534/m1/7/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.