Research Article
Preliminary Evaluation of a Nuclear Scenario Involving Innovative Gas Cooled Reactors
Table 3
EPR parameters adopted for the model [
19].
| Reactor design parameters |
| Thermal power | 4500 | N° of loops | 4 | Heat generated in fuel | 97.4% | Nominal pressure | 155 bar | Thermal design flow rate/loop | 27195 m3/h | Ave. velocity along fuel rods | 4.8 m/s | Nominal inlet temperature | 295.7 °C | Ave. in core temperature | 313.7 °C | Ave. in vessel temperature | 312.8 °C | Ave. core heat flux | 54.7 W/cm2 | Ave. linear power density | 163.4 W/cm |
| Fuel assembly (dimensions given at 20°C) |
| Rod array | | N° assembly | 241 | Fuel rods/assembly | 265 | Fuel assembly pitch | 21.504 cm | Fuel assembly length | 480 cm | Lattice rod pitch | 1.26 cm | Overall transverse dimensions | cm | Guide thimbles/assembly | 24 |
| Fuel rods (dimensions given at 20°C) |
| Number | 63865 | Outside diameter | 9.50 mm | Diametrical gap | 0.17 mm | Clad thickness | 0.57 mm | Pellet diameter | 8.19 mm |
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