PPT Slide

On-Axis Seed CD with ICRF Fast Wave Power

• CURRAY ray tracing code is used.

• Wave frequency is chosen to place

2fcD resonance at R > Ro+a, and

2fcT resonance at R << Raxis, to avoid

ion and alpha absorption.

• Power is launched 20o above OB

midplane with spectrum peak

for best current profile alignment.

• Plasma & wave parameters :

R = 5.52 m, A = 4, _ = 2.2, _ =0.8,

Bo = 8 T, Ip = 19 MA, _N = 6.0,

Teo = 27.8 keV, neo,20 = 5.1,

Zeff = 1.8

f = 95 MHz, N|| = -2.0.

electron

ion

f = 95 MHz

N|| = -2

Pe/P = 0.99

OB

FWCD

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