Research Article
Radioactive Source Specification of Bushehr’s VVER-1000 Spent Fuels
Table 1
Main characteristics of the FAs used in BNPP.
| | Parameter | Value |
| | Fuel assembly | | | Reactor type | VVER-1000 (V-446) | | Geometry | Hexahedral prism | | Height, m | 4.570 | | Fuel (UO2) mass, kg | 489.8 | | Fuel enrichment | | | Assembly type 40 | | | Average, 235U wt% | 4.02 | | Type 1, 235U wt% (number of rods) | 4.1 (245) | | Type 2, 235U wt% (number of rods) | 3.7 (66) | | Fuel rods | | | Number of fuel rods | 311 | | Clad inside diameter, mm | 7.73 | | Clad outside diameter, mm | 9.1 | | Clad material | Alloy Zr + 1% Nb | | Active fuel length, m | 3.53 |
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