通过建立微球燃料元件模型,对Ul<,10>Mo-Al弥散型燃料在不同辐照条件下的辐照肿胀性能进行模拟计算,结果表明:辐照温度越高,燃料肿胀越明显;随着裂变率的增加,在燃耗拐点以前,燃料的肿胀速率基本相同,在燃耗拐点以后,裂变率大的燃料肿胀较慢;与实验数据点进行比较,在合理的范围内理论值和实验值相一致.
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