Research Article

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

Table 2

Main components of the PKL secondary side.

ComponentCATHARE componentCATHARE element

Feed water lineFWn*Axial
Annular downcomerSnDW*Volume
Downcomer pipesDCnP*Axial
Lower plenumSnLP*Volume
RiserSnU*Axial
Steam generatorSnD*Volume
Steam linesSLn*Axial

* is the loop number 1 to 4.