@@ -34,7 +34,7 @@ def get_sco2_design_parameters():
3434
3535 # Cycle design options
3636 # Configuration
37- des_par ["cycle_config" ] = 1 # [1] = RC, [2] = PC
37+ des_par ["cycle_config" ] = 1 # [1] = RC, [2] = PC, [3] = HTR BP, [4] = TSF
3838
3939 # Recuperator design
4040 des_par ["design_method" ] = 2 # [-] 1 = specify efficiency, 2 = specify total recup UA, 3 = Specify each recup design (see inputs below)
@@ -95,15 +95,15 @@ def get_sco2_design_parameters():
9595 des_par ["deltaP_counterHX_frac" ] = 0.0054321 # [-] Fraction of CO2 inlet pressure that is design point counterflow HX (recups & PHX) pressure drop
9696
9797 # HTR BP parameters
98- des_par ['is_bypass_ok' ] = - 0.11 # 1 = Optimize, 0 = no bypass, < 0 = fix bp_frac to abs(input)
98+ des_par ['is_bypass_ok' ] = - 0.11 # Bypass Fraction 1 = Optimize, 0 = no bypass, < 0 = fix bp_frac to abs(input)
9999 des_par ['T_bypass_target' ] = 480 # [C] Target HTF Outlet Temperature (if bypass frac is not fixed)
100100 des_par ['T_target_is_HTF' ] = 1 # Temperature target is HTF outlet (rather than sco2)
101101 des_par ['deltaT_bypass' ] = 0 # [dC] Temperature difference at Mixer 2
102102 des_par ['set_HTF_mdot' ] = 0 # [kg/s or False] Do NOT set HTF mdot (model solves it with approach temps)
103103
104104 # TSF paramters
105- des_par ['is_turbine_split_ok' ] = 1 # 1 = Optimize, 0 = no bypass, < 0 = fix bp_frac to abs(input)
106- des_par ['eta_isen_t2' ] = des_par ['eta_isen_t' ] # Turbine 2 isentropic efficiency
105+ des_par ['is_turbine_split_ok' ] = 1 # Turbine split fraction 1 = Optimize, 0 = no bypass, < 0 = fix bp_frac to abs(input)
106+ des_par ['eta_isen_t2' ] = des_par ['eta_isen_t' ] # Turbine 2 isentropic efficiency
107107
108108 return des_par
109109
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