部件Component

压降/kPa Pressure drop/kPa

入口管嘴段Inlet nozzle

65.6

环形下降段Annular downcomer

3.3

下腔室Lower plenum

83.9

堆芯Core

229.0

上堆芯板Upper core plate

23.2

上腔室及出口Upper plenum and outlet

14.2

总压降Total pressure drop

419.4