Article

Requirements specification for the Neutral Beam Injector on FAST

Consorzio RFX, EURATOM-ENEA Association, Corso Stati Uniti 4, 35127 Padova, Italy; Associazione Euratom/ENEA sulla Fusione, CP 65-00044 Frascati, Rome, Italy; CEA, IRFM, F-13108 Saint-Paul-lez-Durance, France; Istituto di Fisica del Plasma ‘P.Caldirola’, Associazione Euratom-ENEA-CNR, Milano, Italy
Fusion Engineering and Design DOI:10.1016/j.fusengdes.2011.03.012 pp.974-977

ABSTRACT This paper discusses the scientific and technical requirements for a Neutral Beam Injection system on the FAST tokamak and describes a preliminary conceptual design of a suitable injector. FAST is being proposed as a European experiment in support to the operations on ITER and to the design of DEMO. The specific mission of this device is an integrated approach to a number of outstanding burning plasmas physics and operational issues with an emphasis on the impact of fast particles on turbulent transport. Such scientific requirements set a series of technical challenges regarding the injector and the coupling of the injector to the FAST main chamber that are addressed in the paper. A preliminary conceptual design of the injector is proposed which attempts to meet the stated requirements.

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Keywords

DEMO
 
European experiment
 
FAST
 
FAST main chamber
 
fast particles
 
FAST tokamak
 
injector
 
integrated approach
 
Neutral Beam Injection system
 
operations
 
paper discusses
 
plasmas physics
 
preliminary conceptual design
 
scientific
 
scientific requirements
 
specific mission
 
stated requirements
 
suitable injector
 
turbulent transport