Research Article
Neutronic Performance of the VVER-1000 Reactor Using Thorium Fuel with ENDF Library
Table 1
Reactor core and fuel assembly design data [
10].
| | Reactor core | Value |
| | Fuel assembly form | Hexagonal | | Equivalent diameter of the core (cm) | 415 | | Active height of the fuel (cm) | 353 | | Fuel assemblies number | 163 | | Thermal power (MW) | 3000 | | Coolant/moderator | H2O + H3BO3 | | Rod pitch (cm) | 1.275 |
| | Fuel Assembly (FA) | Value | | Assembly pitch (cm) | 23.6 | | Number of pins in the FA | 331 | | Fuel rods number in the FA | 311 | | Fuel pin pitch (cm) | 1.275 | | Length of fuel pin (cm) | 353 | | Diameter of fuel pellet central hole (cm) | 0.15 | | Outer/inner diameter of fuel pin (cm) | 0.757/0.15 | | Outer/inner diameter of cladding (cm) | 0.91/0.773 | | Outer/inner diameter of guide tube (cm) | 0.126/0.106 | | Outer/inner diameter of central tube (cm) | 0.13/0.11 | | Fuel pin material | UO2 | | Density of fuel pin material (g/cm3) | 10.5 | | Density of clad material (g/cm3) | 6.4516 | | Composition of clad material (%) | 99% Zr, 1% Nb | | Density of guide tube material (g/cm3) | 6.4516 | | Absorber material | Boron |
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