Table 5

Description of the simulator input and output variables.

Input Description
Primary Loop  
rho_external External reactivity source
primary_flowrate Fuel circuit mass flow rate (all 16 sectors)
ext_source External neutron source
Intermediate Loop  
interm_flowrate Intermediate circuit mass flow rate (all 4 loops)
bypass_valve Bypass circuit valve opening
Power Conversion Loop  
w_gas Turbine gas mass flow rate
w_reheat Reheating gas mass flow rate
T_intercooling Temperature of gas cooling and intercooling

Output Description

Primary Loop  
Power Reactor thermal power
rho_tot Total reactivity variation (relative to starting steady-state)
beta_eff Total effective delayed fraction for circulating fuel
recTime_FC Fuel circuit salt recirculation time
Tcore_avg Effective core-average temperature
Tcore_in Core inlet salt temperature
Tcore_out Core outlet salt temperature
Q_intHX (not shown) Intermediate HXs total heat transfer rate
rho_T (not shown) Reactivity variation due to temperature feedback
rho_dens (not shown) Reactivity variation due to density feedback
Intermediate Loop  
T_IC_min Max temperature of intermediate salt (IHX outlet)
T_IC_max Min intermediate salt temperature (SHX outlet)
recTime_IC Intermediate loop salt recirculation time
Q_secHX (not shown) Secondary HXs total heat transfer rate (all 4 units)
Power conversion loop  
mech_power Turbine mechanical power
T_gas_hot Gas temperature at SHX outlet
T_gas_cold Gas temperature at SHX inlet

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