Page 40 - Fundamentals of Magnetic Thermonuclear Reactor Design

22 Fundamentals of Magnetic Thermonuclear Reactor Design

AT 4.0 ∼2.0 2.5 5.4 ∼1.0 15 40 2.0 1.2 Stationary 3.5 ∼15

ARIES IV 4.0 1.8 ∼5.0 6.0 – 8 ∼40 ∼1.7 ∼1.4 Stationary 3.5 ∼15

4.0 1.8 ∼5.0 6.0 ∼40 1.64 1.2 Stationary 3.5 ∼15
II – 8

4.5 1.8 4.5 3.0 20 200 1.65 ∼1.2 Stationary 2.5 ∼15
I –
PPCS-D Stationary 10–15
DEMO 3.0 1.9 4.5 3.0 1.2 12 70 1.6 1.7 2.4

DEMO-S 5.2 1.85 3.0 3.0 0.6 20 120 ∼1.7 1.6 Stationary 2.5 10–15

USSR (1970s–80s) OTR GTRT 4.2 4.3 1.5 2.0 2.4 (!) 3.0 3.0 6.0 2.0 3.0 8 15 80 200 ∼1.5 ∼1.5 ∼1.0 ∼1.0 600 900 1.2 1.0 5.0 5.0

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 )