Table 4: CANDU lattice properties.

ElementPropertyUnitsValueComment

FuelTemperatureK941.29
Diametercm1.2244

CladdingTemperatureK560.66
ODcm1.308

Fuel bundleType37-element
Number of pins161218
Ring radiicm01.52.94.35
Ring pitches°00150

CoolantCompositionD2O99.2% purity
Densityg/cm30.81212
TemperatureK560.66

Pressure tubeCompositionZr-Nb Alloy97.5 wt% Zr
2.5 wt% Nb
Densityg/cm36.57
TemperatureK560.66
IDcm10.3378
ODcm11.2064

Gas GapCompositionCO2
Densityg/cm30.002297
TemperatureK345.66

Calandria tubeCompositionZr Alloy97.24 wt% Zr
1.6 wt% Fe
1.1 wt% Cr
0.06 wt% Ni
Densityg/cm36.44
TemperatureK345.66
IDcm12.8956
ODcm13.1750

ModeratorCompositionD2O99.91% purity
Densityg/cm31.082885
TemperatureK345.66

Lattice pitchcm28.575

Outer diameter. Inner diameter.