Research Article
Numerical Study of Natural Circulation Flow in Reactor Coolant System during a Severe Accident
| Location | Setting (base case) |
| Working fluid | SF6 |
| Operating pressure | 2,068,427 Pa |
| Secondary side temperature (tube wall) | 337.85 K (64.7°C) (Inlet: 51.4°C, outlet: 66.1°C) |
| Tube wall | Convective heat transfer (outer surface) hext = 250 W/m2K Text = 337.85 K | No-slip wall | Reactor and hot leg Plenum and tube sheet wall | No-slip wall Adiabatic |
| Reactor-hot leg interface | Porous jump |
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