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Title: Supercritical CO2 direct cycle Gas Fast Reactor (SC-GFR) concept.

This report describes the supercritical carbon dioxide (S-CO{sub 2}) direct cycle gas fast reactor (SC-GFR) concept. The SC-GFR reactor concept was developed to determine the feasibility of a right size reactor (RSR) type concept using S-CO{sub 2} as the working fluid in a direct cycle fast reactor. Scoping analyses were performed for a 200 to 400 MWth reactor and an S-CO{sub 2} Brayton cycle. Although a significant amount of work is still required, this type of reactor concept maintains some potentially significant advantages over ideal gas-cooled systems and liquid metal-cooled systems. The analyses presented in this report show that a relatively small long-life reactor core could be developed that maintains decay heat removal by natural circulation. The concept is based largely on the Advanced Gas Reactor (AGR) commercial power plants operated in the United Kingdom and other GFR concepts.
Authors:
; ;  [1] ;  [2] ;  [2] ; ; ;
  1. (Computational Engineering Analysis, Albuquerque, NM)
  2. (Texas A&M University, College Station, TX)
Publication Date:
OSTI Identifier:
1013226
Report Number(s):
SAND2011-2525
TRN: US1102462
DOE Contract Number:
AC04-94AL85000
Resource Type:
Technical Report
Research Org:
Sandia National Laboratories
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; AFTER-HEAT REMOVAL; BRAYTON CYCLE; CARBON DIOXIDE; FAST REACTORS; NATURAL CONVECTION; POWER PLANTS; REACTOR CORES; UNITED KINGDOM; WORKING FLUIDS