
modelsCO2CycleNREL
Extends from Interfaces.Models.PowerBlock.
Parameters
| Type | Name | Default | Description |
| SI.Power | W_cooling_des | 0.02*W_des | Fraction of gross power consumed by cooling system |
| SI.Efficiency | nu_sys | 0.04 | System availability loss factor due to system outages and other events |
| Design |
| SI.HeatFlowRate | W_des | 111e6 | Design turbine gross output |
| SI.Temperature | T_in_ref | from_degC(574) | HTF inlet temperature (design) |
| SI.Temperature | T_out_ref | from_degC(290) | HTF outlet temperature (design) |
| SI.AbsolutePressure | p_bo | 10e5 | Boiler operating pressure |
| SI.HeatFlowRate | Q_flow_ref | 294.118e6 | Design thermal power |
| Operating strategy |
| Real | nu_min | 0.25 | Minimum turbine operation |
| Assumptions |
| Boolean | enable_losses | false | = true enable thermal losses with environment |
| SI.Temperature | T_des | from_degC(35) | Ambient temperature at design |
| Parasities energy losses |
| Boolean | external_parasities | false | = true enable parasities as an input |
| Real | nu_net | 0.9 | Estimated gross to net conversion factor at the power block |
| Real | W_base | 0.0055*294.188e6 | Power consumed at all times |
Components
| Type | Name | Default | Description |
| SI.HeatFlowRate | Q_flow | | Cycle heat addition |
| SI.Temperature | T_in | Medium.temperature(state_in) | |
| SI.Temperature | T_out | Medium.temperature(state_out) | |
| Cycle | cycle | | |
| Cooling | cool | | |
| Real | load | | |
| Real | eff_pb | | Power Block Efficiency |
| SI.Power | W_gross | | Gross power cycle ouput |
| SI.Power | W_cooling | | Cooling system gross power |
| SI.Power | W_loss | | Parasitic losses power |
| SI.Energy | E_gross | | |
| SI.Energy | E_net | | |
| Boolean | logic | | |
Contents
| Name | Description |
| Cycle | |
| Cooling | |