Nuclear Science

Nuclear science calculators for radioactive decay, dose rate, shielding, criticality, fuel burnup, isotope production, and waste classification.

Matches are ranked by relevance. Use CtrlK anytime to search the full site.

Estimate neutron multiplication factor from geometry, enrichment, moderation, and reflection parameters.

Calculate daughter nuclide activity buildup and decay from parent decay using the Bateman equation.

Calculate decontamination factor and efficiency from before and after contamination measurements.

Calculate radiation dose rate from source activity and distance using the inverse square law.

Calculate activity produced from neutron irradiation given flux, cross section, and irradiation time.

Calculate energy extracted from nuclear fuel assemblies by burnup level in MWd/MTU.

Classify radioactive waste per 10 CFR 61 from radionuclide concentrations using sum-of-fractions.

Track cumulative radiation dose against annual occupational limits and ALARA targets.

Calculate remaining radioactive activity from initial activity, half-life, and elapsed time.

Calculate required shield thickness for target dose reduction using half-value and tenth-value layers.