modelOperatingPoint
Operating point
Extends from ThermoPower.Friction.Interfaces.FrictionBase1DFV (Friction base model for 1DFV components).
Information
Friction factor is calculated starting from a nominal operating point;Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Length | Dhyd (from FrictionBase1DFV) | Hydraulic Diameter (single element in parallel) | |
| SI.PerUnit | Kfc (from FrictionBase1DFV) | Friction factor correction coefficient | |
| Integer | Nt (from FrictionBase1DFV) | 1 | Number of tubes in parallel |
| Integer | N (from FrictionBase1DFV) | 2 | Number of nodes for thermal variables |
| SI.Length | L (from FrictionBase1DFV) | Tube length | |
| SI.Area | A (from FrictionBase1DFV) | Cross-sectional area (single element in parallel) | |
| SI.PerUnit | wnf (from FrictionBase1DFV) | Fraction of nominal flow rate at which linear friction equals turbulent friction | |
| Medium.MassFlowRate | wnom (from FrictionBase1DFV) | Nominal mass flowrate (total) | |
| SI.PressureDifference | dpnom (from FrictionBase1DFV) | Nominal pressure drop | |
| SI.Length | omega_hyd (from FrictionBase1DFV) | 4*A/Dhyd | Wet perimeter (single tube) |
| Medium.Density | rhonom | Nominal inlet density |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Medium.ThermodynamicState | fluidState (from FrictionBase1DFV) | Thermodynamic state of the fluid at the nodes | |
| Medium.MassFlowRate | w (from FrictionBase1DFV) | Mass flowrate (single tube) | |
| Real | Kf (from FrictionBase1DFV) | Hydraulic friction coefficient | |
| Real | Kfl (from FrictionBase1DFV) | Linear friction factor | |
| SI.PerUnit | Cf (from FrictionBase1DFV) | Fanning friction factor | |
| Boolean | NoFriction (from FrictionBase1DFV) | =true, if no friction is used |
Revisions
- 12 Mar 2026
by Andrea Bartolini:
First release.