Abstract:

GRAPHITE AND XENON BEHAVIOR AND THEIR INFLUENCE ON MOLTEN-SALT REACTOR DESIGN

Authors:

DUNLAP SCOTT and W. P. EATHERLY

Oak Ridge National Laboratory, Nuclear Division, Oak Ridge, Tennessee 37830

October 2, 1969

Existing data on dimensional changes in graphite have been fitted to parabolic temperature sensitive curves. From these, the graphite life , radiation-induced stresses, and, permissible geometries have been calculated. It is concluded existing materials can be utitized in a molten-salt reactor which has a core graphite life of about four years, without serious cost penalty.

Fission product xenon can be removed by sparging the fuet salt with helium bubbles and removing them after enrichment. With reasonable values of salt-to-bubble transfer coefficient and graphite permeability , the penalty to breeding ratio can be reduced to less than .0.5%.

Dec 5, 2014   1635   egeneration    Nuclear Applications And Technology Technical Briefs
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