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輻照條件對U10Mo-Al彌散型燃料腫脹性能的影響
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中國工程物理研究院科學技術發(fā)展基金(2010B0103007)和國家自然科學基金(11005094)資助


Effects of Different Irradiation Conditions on Swelling Performance of U10Mo-Al Dispersion Fuel
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    摘要:

    通過建立微球燃料元件模型,對U10Mo-Al彌散型燃料在不同輻照條件下的輻照腫脹性能進行模擬計算,結(jié)果表明:輻照溫度越高,燃料腫脹越明顯;隨著裂變率的增加,在燃耗拐點以前,燃料的腫脹速率基本相同,在燃耗拐點以后,裂變率大的燃料腫脹較慢;與實驗數(shù)據(jù)點進行比較,在合理的范圍內(nèi)理論值和實驗值相一致。

    Abstract:

    A mini-spherical model of fuel was designed and the irradiation swelling of U10Mo-Al dispersion fuel was simulated by the model. The results show that a higher irradiation temperature leads to a more obvious swelling of fuel. With the fission rate increasing, below the turning point of burnup the rate of swelling is nearly the same; however, beyond the turning point of burnup, the rate of swelling is slower at higher fission rate. The predicted results are well consistent with the experimental in a reasonable range.

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劉 曉,盧鐵城,邢忠虎,錢達志.輻照條件對U10Mo-Al彌散型燃料腫脹性能的影響[J].稀有金屬材料與工程,2011,40(6):1125~1128.[Liu Xiao, Lu Tiecheng, Xing Zhonghu, Qian Dazhi. Effects of Different Irradiation Conditions on Swelling Performance of U10Mo-Al Dispersion Fuel[J]. Rare Metal Materials and Engineering,2011,40(6):1125~1128.]
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  • 收稿日期:2010-06-13
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