Table 6

Nominal full-power steady-state values of main plant variables as obtained from the plant simulator.

Variable Nominal value Unit Variable Nominal value Unit
Fuel circuit     Intermediate Loop    
Total reactor thermal power 3000 MWth Salt mass flow rate (all 4 loops) 28,992 kg s−1
Circuit total decay power 126 MWth Average salt velocity − hot leg 2.27 m s−1
Effective delayed neutron fraction 245 × 10−5 Average salt velocity − cold leg 2.21 m s−1
Fuel salt mass flow rate 29,703 kg s−1 Power conversion Loop    
Core inlet temperature 650 °C Net turbine mechanical power 1145.7 MW
Core outlet temperature 750 °C Total net efficiency 38.2 %
Intermediate Heat Exchanger     Secondary Heat Exchanger    
Heat transfer rate (1 unit) 190.8 MW Heat transfer rate (1 unit) 764.8 MW
Salt inlet temperature − cold side 600 °C Gas inlet temperature 460 °C
Salt outlet temperature − cold side 670 °C Gas outlet temperature 615 °C
Salt average velocity − cold side 2.68 m s−1 Gas average velocity − cold side 21.8 m s−1
Reynolds number − cold side 5150–6230 Reynolds number − cold side 1.71 × 104 − 1.93 × 104
Heat transfer coefficient − cold side (Gnielinski correlation, transition flow) 12.44–13.5 kW m−2 K−1 Heat transfer coefficient − cold side (Gnielinski correlation, turbulent flow) 1.9−1.91 kW m−2 K−1
Pressure drop − cold side 1.21 bar Pressure drop − cold side 0.06 bar
Fuel salt average velocity − hot side 1.15 m s−1 Salt average velocity − hot side 0.41 m s−1
Reynolds number − hot side 71–489 Reynolds number − hot side 3950–4785
Heat transfer coefficient − hot side (laminar flow) 5.69 kW m−2 K−1 Heat transfer coefficient − hot side (Gnielinski correlation, turbulent flow) 1.86–2.1 kW m−2 K−1
Pressure drop − hot side 3.6 bar Pressure drop − hot side 0.013 bar

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