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Title: Trends in fusion reactor safety research

Fusion has the potential to be an attractive energy source. From the safety and environmental perspective, fusion must avoid concerns about catastrophic accidents and unsolvable waste disposal. In addition, fusion must achieve an acceptable level of risk from operational accidents that result in public exposure and economic loss. Finally, fusion reactors must control routine radioactive effluent, particularly tritium. Major progress in achieving this potential rests on development of low-activation materials or alternative fuels. The safety and performance of various material choices and fuels for commercial fusion reactors can be investigated relatively inexpensively through reactor design studies. These studies bring together experts in a wide range of backgrounds and force the group to either agree on a reactor design or identify areas for further study. Fusion reactors will be complex with distributed radioactive inventories. The next generation of experiments will be critical in demonstrating that acceptable levels of safe operation can be achieved. These machines will use materials which are available today and for which a large database exists (e.g. for 316 stainless steel). Researchers have developed a good understanding of the risks associated with operation of these devices. Specifically, consequences from coolant system failures, loss of vacuum events, tritium releases,more » and liquid metal reactions have been studied. Recent studies go beyond next step designs and investigate commercial reactor concerns including tritium release and liquid metal reactions. 18 refs.« less
Authors:
; ;
Publication Date:
OSTI Identifier:
6027946
Report Number(s):
EGG-M-91262; CONF-910615--7
ON: DE92003288
DOE Contract Number:
AC07-76ID01570
Resource Type:
Conference
Resource Relation:
Conference: Summer annual meeting of the American Society of Mechanical Engineers, Karlsruhe (Germany), 3-8 Jun 1991
Research Org:
EG and G Idaho, Inc., Idaho Falls, ID (United States)
Sponsoring Org:
DOE; USDOE, Washington, DC (United States)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; THERMONUCLEAR REACTORS; REACTOR SAFETY; RADIOACTIVATION; REACTOR ACCIDENTS; RISK ASSESSMENT; THERMONUCLEAR FUELS; THERMONUCLEAR REACTOR MATERIALS; TRITIUM; ACCIDENTS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; FUELS; HYDROGEN ISOTOPES; ISOTOPES; LIGHT NUCLEI; MATERIALS; NUCLEI; ODD-EVEN NUCLEI; RADIOISOTOPES; SAFETY; YEARS LIVING RADIOISOTOPES 700400* -- Fusion Technology-- (1992-)