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Camugnano, Italy

Camprini P.C.,Brasimone Research Center | Bernardi D.,Brasimone Research Center | Pillon M.,Frascati Research Center | Angelone M.,Frascati Research Center | And 4 more authors.
Fusion Engineering and Design | Year: 2015

In the framework of fusion materials research, a neutron source has been considered a key installation to support EU plan toward DEMO reactor design. IFMIF facility being the present proposal, a pragmatic approach to EU fusion roadmap timeline considers complementary solutions mandatory, within a shared strategy. New Sorgentina Fusion Source (NSFS) has been recently proposed in order to populate an engineering database through materials irradiation tests. Proven technology of D-T neutron generators is implemented together with ion source and accelerator devices currently used in neutral injection systems at experimental tokamaks. Deuterium and tritium enriched hydride is on-line reloaded by impinging D-T beams via ion implantation onto a high-speed rotating target - D-T retention is allowed through temperature control. Hydride metal layer is re-deposited increasing plant availability factor. Target design is proposed to cope with thermal transients and mechanical loads. Solutions to thermal fatigue concerns are presented. Irradiation capability is then enhanced attaining relevant materials exposure. Main facility characteristics are provided as well as thermal and mechanical issues. © 2015 Elsevier B.V.

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