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Table 1
Physicochemical properties used for the fuel and fertile salt in the Benchmark, measured for the salt 78 mol% LiF-22 mol% ThF4 [29].
| Formula | Value at 700 °C | Validity range, °C | |
|---|---|---|---|
| Density ρ (g/cm3) | 4.094–8.82 × 10−4 (T (K) − 1008) | 4.1249 | 620–850 |
| Kinematic viscosity ν (m2/s) | 5.54 × 10−8 exp{3689/T (K)} | 2.46 × 10−6 | 625–846 |
| Dynamic viscosity µ (Pa s) | ρ (g/cm 3 ) × 5.54 × 10−5 exp{3689/T (K)} | 10.1 × 10−3 | 625–846 |
| Thermal conductivity λ (W/(m K)) | 0.928 + 8.397 × 10−5 × T (K) | 1.0097 | 618–747 |
| Heat capacity C p (J/(kg K)) | (−1.111 + 0.00278 × T (Κ)) × 103 | 1594 | 594–634a |
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