Reactor Coolant Properties: heavy_water_CANDU
Thermophysical properties of nuclear reactor coolants at operating temperatures and pressures. Covers light water (H2O) for PWR at 15.5 MPa (270-340°C) and BWR at 7 MPa (270-280°C), heavy water D2O for CANDU at 10 MPa (250-310°C), helium gas for HTGR/VHTR at 7 MPa (250-750°C), liquid sodium for SFR/LMFBR at near-atmospheric pressure (200-550°C), and molten salt FLiBe (2LiF-BeF2) for MSR (500-700°C). Properties: density, dynamic viscosity, thermal conductivity, specific heat, Prandtl number. Distinct from standard steam tables which do not cover D2O, sodium, helium, or FLiBe at reactor conditions.
| coolant type | temperature C | density kg m3 (kg/m3) | dynamic viscosity uPa s (uPa*s) | notes | prandtl number (dimensionless) | pressure MPa (MPa) | reactor type | specific heat J kgK (J/kgK) | thermal conductivity W mK (W/mK) |
|---|---|---|---|---|---|---|---|---|---|
| heavy_water_CANDU | 250 | 825 | 148 | D2O coolant in CANDU pressure tubes; inlet temperature | 1.062 | 10 | CANDU | 4,250 | 0.592 |
| heavy_water_CANDU | 265 | 810 | 131 | Mid-channel CANDU; Tsat at 10 MPa ≈ 311°C | 0.96 | 10 | CANDU | 4,255 | 0.58 |
| heavy_water_CANDU | 280 | 794 | 116 | Core temperature CANDU nominal operation | 0.874 | 10 | CANDU | 4,270 | 0.567 |
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