Research Article
Physics Features of TRU-Fueled VHTRs
Table 1
Parameters of the Reference VHTR Design.
| | Parameter | Value | Parameter | Value |
| | Fuel | U | Power (M) | 600 |
| | Enrichment (%) | 15 | Power Density (W/c) | 6.9 |
| | Coolant | He | Pressure (MPa) | 7.0 | | Inlet/Outlet Temperature (°C) | 490/950 |
| | # of Columns | 102 | # of fuel columns | 66 | | # of control columns | 36 | | # of blocks/column | 13 |
| | Block Pitch (cm) | 36 | # of fuel pins/fuel block | 32 |
| | Block Height (cm) | 58 | # of C rods/fuel block | 2 | | Control rods/control block | 2 | | Emergency rods/control block | 1 | | Compact pitch (cm) | 5.15 | | Fuel hole radius (cm) | 4.1 | | Compact inner radius (cm) | 0.5 | | Compact outer radius (cm) | 1.3 |
| | Packing (%) | 30 | 10.41 g/c kernel radius (cm) | 0.02985 | | 1.14 g/c buffer radius (cm) | 0.03588 | | 1.89 g/c PyC1 radius (cm) | 0.03895 | | 3.20 g/c SiC radius (cm) | 0.04184 | | 1.87 g/c PyC2 radius (cm) | 0.04645 | | Matrix (g/c) | 1.77 | | Block (g/c) | 1.69 |
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