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Annular core for Modular High-Temperature Gas-Cooled Reactor (MHTGR) [electronic resource].

Published
San Diego, Calif. : General Atomic Company, 1987.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 10 : digital, PDF file
Additional Creators
General Atomic Company and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The active core of the 350 MW(t) MHTGR is annular in configuration, shaped to provide a large external surface-to-volume ratio for the transport of heat radially to the reactor vessel in case of a loss of coolant flow. For a given fuel temperature limit, the annular core provides approximately 40% greater power output over a typical cylindrical configuration. The reactor core is made up of columns of hexagonal blocks, each 793-mm high and 360-mm wide. The active core is 3.5 m in o.d., 1.65 m in i.d., and 7.93-m tall. Fuel elements contain TRISO-coated microspheres of 19.8% enriched uranium oxycarbide and of fertile thorium oxide. The core is controlled by 30 control rods which enter the inner and outer side reflectors from above.
Report Numbers
E 1.99:ga-a-18870
E 1.99: conf-870812-29
conf-870812-29
ga-a-18870
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
08/01/1987.
"ga-a-18870"
" conf-870812-29"
"DE87013998"
9. SMIRT: international conference on structural mechanics in reactor technology, Lausanne, Switzerland, 17 Aug 1987.
Turner, R.F.; Stansfield, O.M.; Baxter, A.M.; Vollman, R.E.
Funding Information
AC03-84SF11963
View MARC record | catkey: 14801551