Page 14 - Jet Outflow and Open Field Line Measurements on C-2U Device
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Neutral Beam Injection
Neutral Beam System Specification
Goals: Heating and Current Drive
High neutral current, low energy, angled beams
Beam angle optimized by Monte Carlo and Q2D transport simulation:
Reduces fast ion losses, increases core heating, increases separatrix elongation Injection in ion-diamagnetic direction
Establishes >~ 50% fast ion pressure
Parameter Value
Beam energy 15 keV
Total power in neutrals 10+ MW
# of injectors 6
Pulse duration 8 ms flat top
Ion current per source 145 A
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