Table 1

Properties of the fuel circuit and intermediate circuit materials [8,9,10,11].

Fuel circuit Fuel salt initial composition
Mean fuel salt temperature in fuel circuit (°C)
LiF-ThF4-233UF4 (77.5-20-2.5 mol%)
Fuel salt temperature rise in the core (°C) 100
Total fuel salt volume (m3) 18
Total fuel salt cycle in the fuel circuit (s) 3.9
Fuel salt dilation coefficient (−3.°C−1) 8.82. 10−4
Fuel salt density (−3) 4.1
Fuel salt melting temperature (°C) 585
Fuel salt boiling temperature (°C) 1742
Fuel circuit structural material Hastelloy N
Intermediate circuit Intermediate salt Fluoroborate (NaF-NaBF4)
Total intermediate salt volume (m3) ∼100
Melting temperature (°C) 384

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