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. 2021 Aug 31;11:17403. doi: 10.1038/s41598-021-96954-9

Table 3.

The parameters and dimensions of advanced PWR assembly1719.

Fuel assembly rod array 17 × 17
Number of guide thimbles 24
Number of instrumentation thimbles 1
Pin-to-pin pitch 1.326 cm
Number of fuel rods per assembly 264
Assembly fuel height 365.76 cm
Fuel pellet radius 0.409575 cm
Gap thickness 0.008255
Fuel enrichment 4.9%
Cladding outer radius 0.474980 cm
Cladding thickness 0.05715 cm
Cladding inner radius of guide tube 0.5624 cm
Cladding outer radius of guide tube 0.6032 cm
Fuel density UO2: 10.468 (95.5% theoretical density)
Specific power density for reference UO2-Zr 38.33 Watt/gram
Coolant density 0.7119 g/cm3