modeldata_SHX
Secondary heat exchanger: Tube - Supercritical Steam, Shell - Primary Coolant Salt
Extends from Icons.Record (Icon for records).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | nHX_total | 6 | Total # of HXs |
| Real | nParallel | 3 | # of parallel HX loops |
| Real | nHX_loop | nHX_total/nParallel | # of HXs per loop |
| SI.Power | Qt_capacity | 125e6 | Nominal capacity per HX |
| String | Material | "Alloy-N" | HX material |
| SI.Temperature | T_inlet_tube | from_degF(800) | Inlet temperature |
| SI.Temperature | T_outlet_tube | from_degF(1050) | Outlet temperature |
| SI.Temperature | T_inlet_shell | from_degF(1100) | Inlet temperature |
| SI.Temperature | T_outlet_shell | from_degF(900) | Outlet temperature |
| SI.PressureDifference | dp_tube | from_psi(152) | Pressure drop |
| SI.Pressure | p_inlet_tube | from_psi(3752) | Inlet pressure |
| SI.Pressure | p_outlet_tube | p_inlet_tube - dp_tube | Outlet pressure |
| SI.PressureDifference | dp_shell | from_psi(115) | Pressure drop |
| SI.Pressure | p_inlet_shell | from_psi(264) | Inlet pressure |
| SI.Pressure | p_outlet_shell | p_inlet_shell - dp_shell | Outlet pressure |
| SI.MassFlowRate | m_flow_tube | from_lbm_hr(1.79e6) | Mass flow rate per HX |
| SI.MassFlowRate | m_flow_shell | from_lbm_hr(3.7e6) | Mass flow rate per HX |
| SI.Length | th_tube | from_inch(0.035) | Tube thickness |
| SI.Length | D_tube_outer | from_inch(0.375) | Tube outer diameter |
| SI.Length | D_tube_inner | D_tube_outer - 2*th_tube | Tube inner diameter |
| SI.Length | th_shell | from_inch(0.5) | Shell thickness |
| SI.Length | D_shell_inner | from_inch(30.5) | Shell inner diameter |
| Real | nTubes | 1604 | # of tubes |
| String | pitchType | "Triangular" | Tube pitch type |
| SI.Length | pitch_tube | from_inch(0.7188) | Tube pitch |
| SI.Length | length_tube | from_inch(37.5*12) | Tubesheet to tubesheet distance |
| SI.Area | surfaceArea_tubeouter | D_tube_outer*pi*length_tube*nTubes | Surface area outer tube basis |
| SI.CoefficientOfHeatTransfer | U | TRANSFORM.Units.Conversions.Functions.CoefficientOfHeatTransfer_W_m2K.from_btuhrft2f(500) | |
| Real | nBaffles | 52 | # of baffles |
| String | baffleType | "Disk and Dougnut" | Baffle type |
| SI.Length | spacing_baffle | from_inch(8.6) | Distance between baffles |
| SI.Length | D_diskBaffle | from_inch(22) | Outer diameter of disk type baffle |
| SI.Length | D_doughnutBaffle | from_inch(21.6) | Inner diameter of doughnut type baffle |