Lawson Criterion Fusion Triple Product Calculator
Controlled thermonuclear fusion: Compute the Lawson triple product ($n_e \cdot T \cdot \tau_E$), fusion energy gain factor ($Q$), alpha self-heating ratio, and breakeven/ignition margins.
Plasma Core Parameters
1 keV ≈ 11.6 million Kelvin
Greenwald density scale
ITER target ~3.7 s; JET ~0.4 s
ITER ~830 m³; SPARC ~20 m³
Auxiliary Heating & Fuel Cycle
NBI (Neutral Beam) + ICRH + ECRH
Fusion Power & Lawson Assessment
Triple Product (n·T·τ_E):
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10²¹ keV · s / m³
Fusion Energy Gain Q:
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P_fusion / P_aux (Q = 1 breakeven)
Fusion Power:
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MW (total DT)
Alpha Heating:
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MW (3.5 MeV ⁴He)
Stored Energy W:
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MJ thermal
Burning Plasma & Ignition Status
Confinement Regime:
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Alpha Self-Heating Fraction $f_\alpha = P_\alpha / (P_\alpha + P_{aux})$:
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