the 3 - d coolant flow in the annular and lower plenums at pwr nuclear power station is very complex, and its mechanism is fundamental for design of components and analysis of safety in reactor.
压水堆堆内进口环腔及下腔室内流动现象异常复杂,深入了解该现象对于进行可靠的反应堆堆内构件的设计及安全性分析具有重要的指导作用。