摘要
应用均相流模型对中国先进研究堆自然循环两相流动不稳定性进行数值分析计算,获得了自然循环不稳定性边界,分析了流量、压降、壁温、流体温度以及沸腾边界等参数在不稳定工况下的变化。研究结果为中国先进研究堆的安全运行和事故分析提供了重要参考。
Two phase flow instability in natural circulation loops of China Advanced Research Reactor was investigated. The homogeneous flow model is used to establish the system control equations. Gear method is employed to solve the system equations documented in form of ordinary differential equations numerically. The boundaries of the instability of natural circulation loops were obtained. The variations of flux, pressure difference, wall temperature, fluid temperature and the boiling boundary were analyzed. Especially, the phase-space trajectory of boiling boundary at various flux was discussed. The calculated results have great significance for the safety operation of China Advanced Research Reactor and its accident analysis.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2006年第2期228-234,共7页
Atomic Energy Science and Technology
基金
西安交通大学动力工程多相流国家重点实验室建设资助项目
关键词
不稳定性
自然循环
中国先进研究堆
instability
natural circulation
China Advanced Research Reactor
