☢️ Fusion Energy Balance — Lawson Criterion (2D)
D + T → ⁴He + n + 17.6 MeV · n·T·τ ≥ ignition threshold
Plasma Density
n (×10²⁰ m⁻³)
1.0
Plasma Temperature
T (keV)
20
Energy Confinement
τ_E (s)
1.0
Heating Power
P_h (MW)
50
Plasma Volume
V (m³)
100
▶ Sweep T
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— No plasma —
—
n·T·τ (keV·s/m³)
3×10²¹
Ignition threshold
—
P_fusion (MW)
—
Q = P_f / P_h
—
Ignition achieved?
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