recordprecursorGroups_6_TRACEdefault

Default delayed-neutron groups from TRACE Manual Table 9-1

Extends from PartialPrecursorGroup.

Parameters

TypeNameDefaultDescription
StringextraPropertiesNames (from PartialPrecursorGroup)fill("", 0)Names of precursor groups
IntegernC (from PartialPrecursorGroup)size(extraPropertiesNames, 1)# of precursor groups
Real[nC]C_nominal (from PartialPrecursorGroup)fill(1e14, nC)Nominal amounts that scale the trace-substance inventories in fluid volumes; see the documentation of ReactorKinetics.Data
TRANSFORM.Units.NonDimalphas (from PartialPrecursorGroup)Normalized precursor fractions [betas = alphas*Beta]
TRANSFORM.Units.NonDimBeta (from PartialPrecursorGroup)Effective delayed neutron fraction
TRANSFORM.Units.InverseTimelambdas (from PartialPrecursorGroup)Decay constants for each precursor group
Realparents (from PartialPrecursorGroup)fill(0, nC, nC)Matrix of parent sources (sum(column) = 0 or 1) for each fission product 'daughter'. Row is daughter, Column is parent.
SI.Energy[nC]w_near_decay (from PartialPrecursorGroup)fill(0, nC)Energy release (near field - beta) per fission product decay per type
SI.Energy[nC]w_far_decay (from PartialPrecursorGroup)fill(0, nC)Energy release (far field - gamma) per fission product decay per type