Research Article

CATHARE Assessment of Natural Circulation in the PKL Test Facility during Asymmetric Cooldown Transients

Table 1

Main components of the PKL reactor vessel.

ComponentCATHARE componentCATHARE element

Lower plenumVLPVOLUME
Core bundleVCOAXIAL
Core bypassVCBAXIAL
Core upper plenumVUPVOLUME
Vessel upper headVUHVOLUME
Upper downcomerVINVOLUME
Downcomer pipesVDC1, VDC2AXIAL
Upper head bypassVHBAXIAL