modelPartialFlowChar
Base class for pump flow characteristics. Extending class solves for head.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.VolumeFlowRate | V_flow_nominal | m_flow_nominal/rho_nominal | Nominal volumetric flow rate |
| SI.Height | head_nominal | dp_nominal/(rho_nominal*Modelica.Constants.g_n) | Nominal head |
| Boolean | isPump | true | =true then affinity laws for pump else fan |
| SI.PressureDifference | dp_start | p_b_start - p_a_start | |
| Internal Interface › Nominal Operating Parameters: | |||
| SI.MassFlowRate | m_flow_nominal | Mass flow rate | |
| SI.Density | rho_nominal | Density | |
| Modelica.Units.NonSI.AngularVelocity_rpm | N_nominal | Pump speed | |
| SI.Length | diameter_nominal | Impeller Diameter | |
| SI.PressureDifference | dp_nominal | Nominal pressure gain | |
| Initialization | |||
| SI.MassFlowRate | m_flow_start | ||
| SI.Pressure | p_a_start | ||
| SI.Pressure | p_b_start | ||
| SI.SpecificEnthalpy | h_start | ||
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Medium.ThermodynamicState | state | Thermodynamic state | |
| SI.PressureDifference | dp | Pressure rise difference | |
| Modelica.Units.NonSI.AngularVelocity_rpm | N | Pump speed | |
| SI.Length | diameter | Impeller Diameter | |
| SI.Density | rho | Medium.density(state) | Density |
| SI.VolumeFlowRate | V_flow | Volumetric flow rate | |
| Units.NonDim | affinityLaw | Affinity law for scaling | |
| SI.Height | head | Pump pressure head | |
| SI.MassFlowRate | m_flow |
Contents
| Name | Description |
|---|---|
 Medium |