Ricerc@Sapienza

The Water Cooled Lithium Lead (WCLL) breeding blanket concept is the one of
the PbLi-based concepts under development within the framework of the EUROfusion
project. This concept is characterized by cooling the PbLi using water tubes embedded in
the PbLi flow. In this work, the MHD coupling between the conductive tubes walls and the
PbLi flow is studied for the geometrical and operational configuration of the WCLL.
Velocity profiles are computed first considering a toroidal magnetic field using a fully
developed flow approach. The obtained MHD velocity profiles are then used as an input for
a 3D thermal-hydraulic computation of a WCLL channel. This includes the volumetric heat
generation in PbLi and solid materials caused by the neutron flux.