Research Article
Gas-Cooled Thorium Reactor with Fuel Block of the Unified Design
Table 4
Basic design parameters of the reactor.
| | Performance | Value |
| | Full thermal reactor power (MWt) | 60 | | Neutrons flux density: | | | Thermal (n/cm2/s) | 2.8 ⋅ 10−13 | | Fast (n/cm2/s) | 4.8 ⋅ 10−13 | | Reactor geometrical parameters: | | | Equivalent diameter of reactor core with reflector (m) | 3.1 | | Height of reactor core with reflector (m) | 3.0 | | Reactor core geometrical parameters: | | | Reactor core equivalent diameter (m) | 2.4 | | Reactor core height (m) | 2.4 | | Fuel assembly type (fuel block of the unified design) | 2000Z2 | | Number of fuel assemblies in the reactor core (pcs) | 381 | | Fuel assembly geometrical parameters: | | | Width across the flats (m) | 0.2 | | Height (m) | 0.8 | | Fuel pellets number (pcs) | 3120 | | Heavy metal mass (kg) | 1.282 | | Fuel pellet geometrical parameters: | | | Height (m) | 0.020 | | Diameter (m) | 0.012 | | Heavy metal mass (kg) | 0.411 ⋅ 10−3 | | Full starting core fuelling: | | | Mass of Th (kg) | 244 | | Mass of Pu (kg) | 244 | | Maximum reactivity margin (), % | 21.3 | | Full-power reactor operation time (days) | 510 |
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