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22 Fundamentals of Magnetic Thermonuclear Reactor Design
USSR (1970s–80s) ARIES DEMO AT IV II I PPCS-D DEMO-S OTR GTRT 4.0 4.0 4.0 4.5 3.0 5.2 4.2 4.3 1.8 1.8 1.8 1.9 1.85 1.5 2.0 ∼2.0 2.5 ∼5.0 ∼5.0 4.5 4.5 3.0 2.4 (!) 3.0 5.4 6.0 6.0 3.0 3.0 3.0 3.0 6.0 – – – 1.2 0.6 2.0 3.0 ∼1.0 15 8 8 20 12 20 8 15 40 200 70 12
TABLE 2.5 Tokamak Reactor Design Parameters
T-20 2.8 1.0 2.8 4.0 4.0 10 50 ∼1.5 ∼ 0.7 15 0.2 ∼0.01
ITER 3.1 1.7 3.0 1.8 1.0 10 1.7 1.0 400 0.6 0.3
Plasma column cross-section Normalised plasma beta Plasma temperature (keV) Plasma additional heating power 50 Plasma effective charge Inductive burn time (s) Neutron fluence (MW·year/m 2 )
Parameter Aspect ratio elongation Stability margin (q) Factor H y,2 (MW) Plasma–TFC gap (m) Neutron wall load (MW/m 2 )
