LOWER NOZZLE FOR NUCLEAR FUEL ASSEMBLY FOR PRESSURIZED WATER REACTOR

摘要

A lower nozzle an upper end and a lower end for the lower nozzle to rest on a lower core plate of a reactor core and a lateral surface extending along a longitudinal axis from the lower end to the upper end. The lateral surface including a longitudinal segment tapering downwardly progressively and continuously along the longitudinal axis and extending on at least 50% of the height of the lateral surface.