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本文叙述了与研究性重水反应堆上临界实验有关的一些理论工作:首先是实验方案提出时的考虑,其次是对这些实验进行的理论计算及其结果,最后是对一系列临界实验结果的简化分析。 理论计算的结果与实验结果的比较表明,我们所采用的物理数据和计算方法对于重水反应堆的临界大小可以给出误差不超过5％的结果。 对一系列临界实验结果的简化分析给出了决定各种装载量和水位下拉氏参数的—个简单公式。
This paper describes some of the theoretical work related to the critical experiments on research heavy water reactors: the first is to consider the experimental scheme proposed, followed by the theoretical calculations and the results of these experiments, and finally the simplified analysis of a series of critical experimental results . Comparisons between the theoretical calculations and the experimental results show that the physical data and computational methods we used can give a result that the error is not more than 5% for the critical size of a heavy water reactor. A simplified analysis of the results of a series of critical experiments gives a simple formula that determines the parameters of the pull-down at various loading levels and water levels.