Establishing the Long-Term Fuel Management Scheme Using Point Reactivity Model.

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概要

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• A new approach to establish the long-term fuel management scheme is presented in this paper. The point reactivity model is used to predict the core average reactivity. An attempt to calculate batchwise power fraction is introduced through the two-dimensional nodal power algorithm based on the modified one-group diffusion equation and the number of fuel assemblies on the core periphery. Suggested is an empirical formula to estimate the radial leakage reactivity with ripe core design experience reflected.<BR>This approach predicts the cycle lengths and the discharge burnups of individual fuel batches up to an equilibrium core when the proper input data such as batch enrichment, batch size, type and content of burnable poison and reloading strategies are given. Eight benchmark calculations demonstrate that the new approach used in this study is reasonably accurate and highly efficient for the purpose of scoping calculation when compared with design code predictions.

• 一般社団法人 日本原子力学会の論文

著者

• LEE Young-Ouk

  Korea Atomic Energy Research Institute

• PARK Yong-Soo

  Korea Atomic Energy Research Institute

• KIM Jae-Hak

  Korea Atomic Energy Research Institute

• SONG Jae-Woong

  Korea Atomic Energy Research Institute

• ZEE Sung-Kyun

  Korea Atomic Energy Research Institute

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• Establishing the Long-Term Fuel Management Scheme Using Point Reactivity Model.

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