Abstract
Abstract A new experimental method is proposed, whereby physics parameters in large fast reactors can be estimated accurately with limited quantities of available Pu and U fuels. The method consists of a standard experiment and a series of supplemental experiments. The standard experiment is carried out in a system whose geometrical dimensions are the same as those of the actual fast reactor of interest, with Pu fuel loaded in a small portion of the core, and U fuel in the remainder to constitute the driver region. This driver region is divided into a certain number of subregions, and the series of supplemental experiments are carried out with the U fuel successively replaced by Pu in each of the subregions. These experiments permit the physics parameters in large fast reactors to be estimated within the first order perturbation. The theoretical correction term is of order higher than the second, and is required only to cover the interaction between the subregions. Some numerical calculations are made in ...
Published Version
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