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Research Needs for Magnetic Fusion Energy Sciences - US Burning ...

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needed Theory,<br />

Computation,<br />

Modeling<br />

Existing Facilities needed Facilities Existing Theory,<br />

Computation,<br />

advanced Control<br />

MSt RFx<br />

CEs PE (itER-era goal) Modeling<br />

PoP<br />

issues<br />

3-d nonlinear<br />

2-fluid (s=108 ),<br />

gyrokinetics<br />

3-d nonlinear<br />

mhd, test-particle<br />

stochastic theory<br />

establish base <strong>for</strong><br />

burning-plasma<br />

experiment with<br />

ip≥4 ma<br />

single-helicity state<br />

at low aspect<br />

current profile control,<br />

S-scaling, singlehelicity<br />

state, at<br />

ip≥2 ma<br />

S-scaling, singlehelicity<br />

state, at ip 1<br />

perpendicular beam<br />

injection, vi /va≤1 tangential<br />

beam injection,<br />

substantial fast<br />

ion beta, vi /va≥1 Energetic particle<br />

effects<br />

3-d nonlinear<br />

2-fluid<br />

3-d nonlinear mhd<br />

with finite pressure<br />

verify and control at<br />

high per<strong>for</strong>mance<br />

identify at i p ≥2 ma limited capability<br />

possible with further<br />

improved confinement<br />

possibly identify<br />

at ip

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