modelAlphas
Specify Heat Transfer Coefficient (alpha)
Extends from PartialSinglePhase.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Internal Interface | |||
| Real | nParallel (from PartialHeatTransfer_setT) | 1 | Number of parallel components |
| Integer | flagIdeal (from PartialHeatTransfer_setT) | 0 | Flag for models to handle ideal boundary |
| Advanced | |||
| SI.ReynoldsNumber | Re_lam (from PartialHeatTransfer_setT) | 2300 | Laminar transition Reynolds number |
| SI.ReynoldsNumber | Re_turb (from PartialHeatTransfer_setT) | 4000 | Turbulent transition Reynolds number |
| Boolean | use_T_film (from PartialHeatTransfer_setT) | false | =true for T_film = 0.5*(T_wall + T_fluid) else T_fluid |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| HeatAndMassTransfer.Interfaces.HeatPort_Flow | heatPort (from PartialHeatTransfer_setT) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Medium.ThermodynamicState | state (from PartialHeatTransfer_setT) | Thermodynamic state of fluid | |
| SI.Velocity | v (from PartialHeatTransfer_setT) | Fluid Velocity | |
| SI.Diameter | dimension (from PartialHeatTransfer_setT) | Characteristic dimension (e.g. hydraulic diameter) | |
| SI.Area | crossArea (from PartialHeatTransfer_setT) | Cross sectional flow area | |
| SI.Area | surfaceArea (from PartialHeatTransfer_setT) | Surface area for heat transfer | |
| SI.Temperature | T_fluid (from PartialHeatTransfer_setT) | Medium.temperature(state) | Fluid temperature |
| SI.Temperature | T_wall (from PartialHeatTransfer_setT) | heatPort.T | Wall temperature |
| SI.MassFlowRate | m_flow (from PartialHeatTransfer_setT) | Fluid mass flow rate | |
| SI.ReynoldsNumber | Re (from PartialHeatTransfer_setT) | Reynolds number | |
| SI.PrandtlNumber | Pr (from PartialHeatTransfer_setT) | Prandtl number | |
| SI.CoefficientOfHeatTransfer | alpha (from PartialHeatTransfer_setT) | Coefficient of heat transfer | |
| SI.NusseltNumber | Nu (from PartialHeatTransfer_setT) | Nusselt number | |
| SI.HeatFlowRate | Q_flow (from PartialHeatTransfer_setT) | heatPort.Q_flow/nParallel | Heat flow rate |
| TRANSFORM.Media.BaseProperties1Phase | mediaProps (from PartialSinglePhase) | Bulk fluid properties | |
| SI.CoefficientOfHeatTransfer | alpha0 | 0 | Coefficient of heat transfer |