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本文通过点堆模型,分析了脉冲堆瞬态棒提升速度对于脉冲运行工况的影响。得到如下结论:1.瞬态棒出堆的末速度对功率脉冲的峰值影响最大。2.出堆速度越高,投入的过剩反应性的损失越小。3.存在一个临界速度,当低于该速度时,反应堆将不会产生脉冲功率。以这一分析为基础,我们选用快排型气缸作为瞬态棒的提升机构。在对气缸的运动进行分析计算及试验的基础上,提出了设计曲线及设计方法。在这一试验中,气缸的末速度达到11m/s。
In this paper, through the point-stack model, the influence of the rising speed of the transient pulse of the pulse stack on the pulse operating conditions is analyzed. Obtained the following conclusions: 1. The instantaneous stick out of the end of the speed of the maximum impact on the power pulse. 2. The higher the speed of the reactor, the less the loss of excess reactivity into the reactor. 3. There is a critical speed below which the reactor will not generate pulsed power. Based on this analysis, we chose a fast-line cylinder as the lift mechanism for the transient rod. Based on the analysis and calculation of the cylinder movement and the experiment, the design curve and the design method are put forward. In this test, the cylinder end speed reached 11m / s.