// multi-utility computation suite · offline · instant · precise
┌──────────────────────────┐
│ [c] calcalyst_ │
│ computation suite │
└──────────────────────────┘
// select a module to initialize
/ search↵ open firstesc close
// adsenseEMPTY_LEADER_SLOT728×90
// adsenseMOBILE_ANCHOR_SLOT320×50
// keyboard_shortcuts
/focus search
↑↓navigate module list
Enter
open first result from search
open highlighted
compute when module is open
compute when focused in a field
Escclose module · clear selection
⌫
sci.criticality-keff-estimate Calculator
Calculates the effective neutron multiplication factor k_eff for a nuclear reactor from four-factor formula components and geometric buckling. k_eff = 1.000 is critical (self-sustaining chain reaction) — k_eff > 1 is supercritical (power increasing); k_eff < 1 is subcritical (chain reaction dying out).
Inputs
Fuel Enrichment Pct
Reference formula or conversion factor shown for context.
Fuel Mass Kg
Total mass (kg). Distinct from weight — weight = mass × gravity. Mass is constant; weight varies with location.
Moderator Type
Reference formula or conversion factor shown for context.
Geometry
Reference formula or conversion factor shown for context.
Results
k-effective (estimate)
The value at the specified point or condition.
k-infinity
Sample size or count used in the calculation.
criticality state
The value at the specified point or condition.
four-factor formula
A dimensionless multiplier applied in the calculation.
η (fission neutrons/absorption)
Sample size or count used in the calculation.
note
Supplementary information explaining an assumption, caveat, or important context for interpreting the result.