A method for correlating, over a wide range of moderator-to-uranium ratios, the critical conditions for homogeneous bare reactors having various types of moderators. The method is applied to the results of an eighteen-group analysis of homogeneous bare reactors and to some experimental results, and good correlation is obtained. This correlation shows the effect of the nuclear properties of the reactor materials on the criticality conditions, and permits these conditions to be estimated for other bare reactors.
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