10MW高温气冷堆温度系数的测量和评价

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Measurement and Evaluation of Temperature Coefficient of 10 MW High Temperature Gas-Cooled Reactor-Test Module

Institute of Nuclear Energy Technology, Tsinghua University, Beijing, 100084, China

摘要: 在没有辅助热源的情况下,采用主氦风机循环和不大于500kW的核功率的联合加热方式加热堆芯并测量10MW高温气冷堆的温度系数,用周期法测得石墨反射层平均温度从45.48℃到236.93℃过程中引起的反应性变化。同时,通过物理计算对测量结果进行评估,如果扣除氙毒和温度分布的影响,测量值和计算值是符合的。
- 高温气冷堆 /
- 温度系数 /
- 反应性变化
Abstract: T Without any auxiliary heating source, the core is heated by means of main helium circulator and nuclear power no more than 500kW and temperature coefficient of HTR-10 has been measured. Reactivity change caused by temperature rise from 45.48℃ to 236.93℃ is obtained with cycle method. Measured results are evaluated by physical calculation, and calculated values agree well with the measured values when there no effect of xenon poison and temperature distribution.
- HTR-10 test reactor /
- Temperature coefficient /
- Reactivity variation