Table 1

Physical properties of fuel and intermediate salt [23,24].

Parameter Unit Value
Fuel salt − LiF-ThF4-235UF4-(TRU)F3
Melting point °C 581
Density kg m−3 5108–0.8234 T (K)
Dynamic viscosity Pa s 6.187 · 10−4 exp (772.2/(T(K)–765.2)]
Thermal conductivity W m−1 K−1 1.7
Specific heat capacity J kg−1 K−1 1010
Intermediate salt − Fluoroborate (NaF-NaBF4/8%–92%)
Melting point °C 694
Density kg m−3 2446.3–0.711 · T(K)
Dynamic viscosity Pa s 8.77 × 10−5exp(2240/T(K))
Thermal conductivity W m−1 K−1 0.66–2.37 × 10−4 · T(K)
Specific heat capacity J kg−1 K−1 1506

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