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AN ASSESSMENT OF THE BASE BLANKETFOR ITER A. R. Raffray, M. A, Abdou, and A. Ying, Mechanical, Aerospace and Nuclear
 

Summary: AN ASSESSMENT OF THE BASE BLANKETFOR ITER
A. R. Raffray, M. A, Abdou, and A. Ying, Mechanical, Aerospace and Nuclear
Engineering Department, University of California,Los Angeles, CA 90024-1597
Abstract
Ideally, the ITER base blanket would provide the necessary
tritium for the reactor to be self-sufficientduring operation, while
having minimal impact on the overall reactor cost, reliability and
safety.A solid breeder blanket has been developed in the CDA phase
in an attemptto achieve such objectives.Thereferencesolidbreeder
base blanket configurationsat the end of the CDA phase has many
attractive features such as a tritium breedingratio (TBR)of 0.8-0.9
and a reasonably low tritium inventory . However, some concerns
regarding the risk, cost and benefit of the base blanket have been
raised. These includeuncertaintiesassociatedwith the solid breeder
thermal conwoland thepotentially high costof the amountof Be used
to achieve high TBR and to provide the necessary thermal barrier
between the high temperature solid breeder and low temperature
coolant.
This work addresses these concerns. The basis for the
selection of a breeding blanket is first discussed in light of the

  

Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles

 

Collections: Plasma Physics and Fusion