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Benchmark Gas Core Critical Experiment

J. F. Kunze, J. H. Lofthouse, C. G. Cooper, R. E. Hyland

Nuclear Science and Engineering

Volume 47 / Number 1 / January 1972 / Pages 59-65


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A critical experiment with spherical symmetry has been conducted on the gas core nuclear reactor concept. The nonspherical perturbations in the experiment were evaluated experimentally and produce corrections to the observed eigenvalue of <1%ΔK. The reactor consisted of a low density, central uranium hexafluoride gaseous core, surrounded by an annulus of void or low density hydrocarbon, which in turn was surrounded with a 97-cm-thick heavy water reflector.

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