IMPROVED NATURAL CONVECTION HEAT DISSIPATION STRUCTURE FOR THE PACKAGING OF TRANSPORT AND / OR STORAGE OF RADIOACTIVE MATERIALS

摘要

The invention relates to a structure (30) of natural convection heat dissipation, intended to equip the periphery of a package for the transport and / or storage of radioactive materials, the structure having two adjacent half-structures ( 30a, 30b) each comprising primary fins (40a, 40b) parallel and inclined with respect to a direction of the height (8) of the structure, the primary fins (40a, 40b) of the two half-structures (30a, 30b) forming generally vertically V-shaped fins (44) when the package is arranged vertically with its bottom (4) facing downwards.