[1] EURATOM CIEMAT Fus Assoc, Breeding Blanket Tech Unit, E-28040 Madrid, Spain
[2] Tech Univ Catalonia UPC, Dept Phys & Nucl Engn, E-08028 Barcelona, Spain
[3] Univ Basque Country, Dept Nucl Engn & Fluid Mech, E-48103 Bilbao, Spain
[4] Univ Ramon Llull, ETS Inst Quim Sarria, E-08017 Barcelona, Spain
[5] SENER Ingn & Sistemas, E-08025 Barcelona, Spain