sci.nuclear-criticality-four-factor Calculator
Calculates nuclear multiplication factor k_eff = k∞ × P_TNL × P_FNL from four-factor formula and non-leakage probabilities, determining reactor criticality. Critical reactor: k_eff = 1; startup (subcritical): k_eff < 1; power excursion (supercritical): k_eff > 1 — control rods reduce k_eff by absorbing neutrons.
Inputs
- Eta
- A multiplier applied in the calculation.
- Epsilon
- A multiplier applied in the calculation.
- P
- Reference formula or conversion factor shown for context.
- F
- A multiplier applied in the calculation.
- P Nl
- Age in completed years. Many health and fitness formulas adjust for age.
Results
- k∞ (four-factor formula)
- A dimensionless multiplier applied in the calculation.
- k_eff (effective multiplication)
- Gratuity amount — the suggested amount to add to the bill as a service tip.
- reactivity ρ
- Rate of radioactive decay events per second (becquerels or curies). Decreases exponentially with time.
- k∞ = η·ε·p·f
- Reference formula or conversion factor shown for context.
- criticality
- Reference formula or conversion factor shown for context.
- reactivity in pcm
- Rate of radioactive decay events per second (becquerels or curies). Decreases exponentially with time.
factor formula four fast nuclear