Licensing ITER 20-12-2010. Reference Marbach et al. Fusion Science and Technology 44 (2003) p. 251 Rodriguez-Rodrigo et al. Fusion Engineering and Design.

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Presentation transcript:

Licensing ITER

Reference Marbach et al. Fusion Science and Technology 44 (2003) p. 251 Rodriguez-Rodrigo et al. Fusion Engineering and Design (2005) p Alejaldre et al. FEC –IEAE See the pdf given to you

The licensing procedure ITER licensing follows the French regulation Authority: Autorité de Sûreté Nucléaire (ASN) Law and Decree: Law on transparency and nuclear safety (TSN) no ( 13 june 2006) and Decree No ( 02 Nov. 2007) ITER is considered as “Installation Nucléaire de Base” (INB) which means a nuclear installation (as a power plant) Reasons: Tritium and the level of activation of material ( Cf. Rosanvallon et al., Fusion Engineering &Design 85 (2010) 1788)

References for T Cf. Gugla et al., Fusion Engineering &Design 82 (2007) 472 Cristescu et al., Fusion Science and Technology 52, ( 2007) 659

Some notion about T (1) Half life time: years Decay mode :  decay with maximum energy 18.6 keV and average energy 5.7 keV Activity: Bq.g -1

Some notion about T (2) Total natural inventory of T: estimated 3.6 kg (1300 PBq) produced through 14 N +n  12 C +T 14 N +n  3 4 He + T 16 O+n  14 C +T Production: kg (50-70 PBq)

Some notion about T (3) Anthropogenic T: Mainly in heavy water fission reactor (Pressurised heavy water reactor), of CANDU type ( CANadian Deuterium natural Uranium reactor) Total production : 90 PBq/(Gwe*year) or about 0.3 kg/((Gwe*year). A PWR produces about 2000 times less T

T and ITER During a 400s DT pulse, 0.4g of T is consumed. About 2-3 kg of T is necessary for operation 1 kg is in the Long Term Storage from external source

Characteristics of the process Non prescriptive approach Continuous dialog between the owner of the INB (here ITER Organisation) and the ASN

The steps

Example: Dialog for 17 MA operation includes 17 MA Operation at 15 MA

Where are we? Rapport Préliminaire de Sécurité have been updated to answer questions. Next Step: Public Enquiry