Research Article
Radiogenic Lead with Dominant Content of 208Pb: New Coolant and Neutron Moderator for Innovative Nuclear Facilities
Table 5
Transition from (U,Pu)N-fuel to (U,Pu)O2-fuel.
| Parameter | Fuel | Natural lead | 208Pb |
| Content of Pu-fraction (%) | (U,Pu)N (U,Pu)O2 | 13.84 14.81 | 13.58 14.45 | Pitch of fuel lattice (mm) | (U,Pu)N (U,Pu)O2 | 13.6 12.2 | 23.6 20.4 | Height of the reactor core (cm) | (U,Pu)N | 110 | 298 | (U,Pu)O2 | 125 | 314 | Coolant velocity (relative units) | (U,Pu)N (U,Pu)O2 | 1 1.60 | 0.59 0.87 | Number of fuel rods (relative units) | (U,Pu)N (U,Pu)O2 | 1 0.89 | 0.41 0.39 | Pressure drop for coolant flow through the reactor core (relative units) | (U,Pu)N (U,Pu)O2 | 1 4.02 | 0.18 0.57 |
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