マイクロ波加熱を用いたMOX燃料製造時の核燃料再処理溶液設置用スペーサーの溶液均一加熱に対する影響

概要

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As a part of the nuclear fuel cycle in Japan, the mixed oxide (MOX) fuels are produced through the microwave heating of the Pu/U mixed nitrate solution obtained from spent fuels. In this work, we investigate the effect of a spacer between the bottom of cavity and solution dish in microwave oven cavity to heat uniformly Pu/U mixed nitrate solution for producing MOX fuels. As a result, we show the effectiveness of inserting the spacer for a uniform heating of the solution by evaluating the top-to-bottom ratio.