|
| Components | Design target | Criteria | | Results |
|
| System design | Multiple heat applications | Heat supply for district heating network (MW) | 0~25 | 0~25 |
| Demonstration of gas turbine and hydrogen production | Gas turbine and hydrogen production can be demonstrated by using the secondary side of IHX |
|
| Core | Reduce the number of uranium enrichments | Number of uranium enrichments | <6 | 3 |
| Reduce the core size | Average core power density (MW/m3) | 3.5 | 3.5 |
| Increase plant availability | Refueling interval (years) | 2 | 2 |
| Maximum fuel temperature (°C) | <1495 | 1467 |
|
| Reactor internal | Shutdown cooling system is designed as nonsafety class system | RPV temperature at AOO (°C) | <425 | 420 |
|
| Reactor pressure vessel (RPV) | Reduce the weight | Weight in mode of packing (tons) | <300 | about 180 |
|
| Vessel cooling system (VCS) | Passive means | Biological shielding concrete wall temperature at normal operation (°C) | <65.0 | 64.8 (panel temp.) |
| Fuel temperature at accident (°C) | <1600 | The acceptance criteria were satisfied in the events of the rupture of concentric hot gas duct in the primary cooling system and the SG tube rupture |
| RPV temperature at accident (°C) | <540 | |
|
| Shutdown cooling system (SCS) | Reduce the reactor coolant pressure boundary | Eliminate the primary piping related to SCS | No primary piping related to SCS |
|
| Steam generator (SG) | Reduce the amount of heat-resistance alloy | Weight of heat-resistance alloy (tons) | <5.4 | 1.5 |
|
| Intermediate heat exchanger (IHX) | Thermal duty: 20 MW | Primary stress limit (MPa)
(creep damage factor <0.1, 40 years of lifetime) | ≤2.6 | 2.6 |
| Inline layout of the concentric duct nozzles | Vessel temperature (°C) | <370 | 305 |
|
| Containment structure | Reduce the weight | Weight of steel (tons) | <700 | About 420 |
| Minimize the amount of air which may react with graphite components | Free volume (m3) | >3290 | 3860 (without IHX),
3700 (with IHX) |
| Withstand the pressure transient | Free volume (m3) | <3890 |
| Pressure at rupture of main steam piping (MPa) | <0.41 | 0.12 |
|
| Safety analysis | Satisfy the acceptance criteria | Shown in Table 10 | The acceptance criteria were satisfied in the events of the rupture of concentric hot gas duct in the primary cooling system and the SG tube rupture |
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