Whether or not the reactor is installed with enclosure, the main pressure drop is focused in the fuel region.The pressure drop in the fuel region increases with the increase of the entry flowrate.

• 无论是否带有围桶,堆内压降均主要集中在堆芯燃料组件上,入口流量增大,堆芯燃料组件上的压降随之增加;