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自然循环及堆芯再淹没中两相流动传热行为研究是大型先进压水堆核电站重大专项“反应堆堆芯及安全分析关键技术研究”课题的第一子课题(2011ZX06004-007-001)。本课题针对大型先进压水堆中非能动余热排出热交换器自然循环过程及堆芯再淹没过程中的两相流动传热现象,开展理论和试验研究,研究物理机理,发展物理模型,获得设计和安全评审需要的数据,改进传热计算分析程序,为大型先进压水堆的安全分析计算
Natural circulation and core re-submerged two-phase flow in the heat transfer behavior of large-scale advanced PWR nuclear power major projects “core reactor and safety analysis of key technologies,” the first sub-topics (2011ZX06004-007-001) . In this paper, aiming at the natural circulation process of non-active residual heat removal heat exchanger in large advanced PWR and the two-phase flow and heat transfer during core re-submerging, theoretical and experimental studies are carried out to study the physical mechanism, develop the physical model and obtain the design And safety review of the data needed to improve the heat transfer calculation and analysis procedures for large advanced PWR safety analysis and calculation