Open Access
Table 3
Fuel rod data for fuel performance code startup for Zy-4 and SS claddings.
| Parameter | Value |
|---|---|
| Irradiation time | 40 080 h |
| Cladding outer diameter | 9.7 mm |
| Cladding inner diameter | 8.43 mm |
| Cladding wall thickness | 0.635 mm |
| Cladding roughness | 0.000508 mm |
| Cladding material | Zy-4/348 SS |
| Fuel pellet diameter | 8.25 mm |
| Fuel stack height | 3.81 m |
| Fuel pellet density | 10.41 g/cm3 |
| Fuel pellet roughness | 0.000762 mm |
| Fuel pellet sintering temperature | 1600 °C |
| Fuel pellet resintering density change | 150 kg/m3 |
| U-235 enrichment | 3.48% |
| Plenum length | 27.17 cm |
| Rod internal (He) pressure | 2.62 MPa |
| Fuel rod pitch | 1.27 cm |
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