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Factoring-based method for the design of a nuclear fuel

机译:基于因子的核燃料设计方法

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In this work a simple method for a fuel lattice design is presented. The method is focused on finding the radial distribution of the fuel rods having different fissile contents to obtain a prescribed neutron multiplication factor k_∞ to a certain discharge burnup and to minimize the rod power peaking. This method is based on the factorization of the fissile content of each fuel bar and the performance of this novel method was demonstrated with a fuel design composed of enriched uranium for a typical boiling water reactor (BWR). The results show that the factoring-based method for the design of a nuclear fuel converges to a minimum rod power peaking and a prescribed k_∞ in few iterations. A comparative analysis shows that the proposed method is more efficient than existing methods.
机译:在这项工作中,提出了一种用于燃料格设计的简单方法。该方法着重于找到具有不同裂变含量的燃料棒的径向分布,以获得规定的中子倍增系数k_∞,以达到一定的放电燃尽并最小化棒功率峰值。该方法基于每个燃料棒裂变含量的因式分解,并且针对典型的沸水反应堆(BWR),由富含铀的燃料设计证明了该新方法的性能。结果表明,基于因子分解的核燃料设计方法在几次迭代中收敛到最小杆功率峰值和规定的k_∞。对比分析表明,提出的方法比现有方法更有效。

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