Tn International

Orano Nuclear Packages and Services

Stéphane Brut

Nasser Zahri

Marcel Tardy

Didier Vuillermoz

Alexandre Biguet

Charles-Edouard Hamy

The invention relates to a storage device for storing and/or transporting nuclear fuel assemblies, which includes recesses () defined by separating partitions () defining first and second recesses (), the partition comprising: two first walls () defining the first and second recesses and made of an aluminium-alloy material which is free of neutron-absorbing elements, and defining therebetween a first inter-wall space (); two second walls () arranged in the first space () and made of a material which comprises neutron-absorbing elements, the distance between the inner () and outer () surfaces of each second wall () defining a thickness (e), and a distance (E) being defined between the outer surface () of each second wall and a median partition plane (), the values meeting the condition 0.1&#x2264;e/E&#x2264;0.43.

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Le Chesnay, France

Stéphane Brut