含Pu材料临界装置温度平衡实验研究

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Study of Temperature Equilibrium Experiment on Critical Assembly with Plutonium

Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, China;National Engineering Research Center of Nuclear Technology Application in Industry, Mianyang, Sichuan, 621900, China

摘要: 采用镍铬-康铜热电偶探测器对临界装置活性区内及外表面的温度动态过程进行监测。通过导热微分方程得出了温度平衡时Pu材料层、不锈钢层和聚乙烯反射层内温度分布,分析了活性区温度变化对系统反应性的影响。
- 临界装置 /
- 温度平衡 /
- 温度分布 /
- 导热系数
Abstract: The inner and outer surface dynamic temperature monitoring in the core of critical assembly was performed with Ni10Cr-Cu45Ni thermocouple detectors. The temperature distribution was obtained in plutonium, stainless steel layer and polyethylene reflector through thermal conductivity differential equation during equilibrium temperature.It analyzed the temperature change effect on the system reactivity.
- Critical assembly /
- Temperature equilibrium /
- Temperature distribution /
- Thermal conductivity coefficient