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.MassFlowRate | m_flow_start | | |
| SI.Pressure | p_a_start | | |
| SI.Pressure | p_b_start | | |
| SI.SpecificEnthalpy | h_start | | |
| SI.PressureDifference | dp_start | p_b_start - p_a_start | |
| SI.Density | rho_start | Medium.density_ph(p_b_start, h_start) | |
| SI.VolumeFlowRate | V_flow_start | m_flow_start/rho_start | |
| Internal Interface › Nominal Operating Parameters: |
| SI.MassFlowRate | m_flow_nominal | | Mass flow rate |
| SI.Density | rho_nominal | | Density |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | N_nominal | | Pump speed |
| SI.Length | diameter_nominal | | Impeller Diameter |
| SI.PressureDifference | dp_nominal | | Nominal pressure gain |
Components
| Type | Name | Default | Description |
|---|
| Medium.ThermodynamicState | state | | Thermodynamic state |
| SI.MassFlowRate | m_flow | | Mass flow rate |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | N | | Pump speed |
| SI.Length | diameter | | Impeller Diameter |
| SI.Density | rho | Medium.density(state) | Density |
| SI.VolumeFlowRate | V_flow | m_flow/rho | Volumetric flow rate |
| Units.NonDim | affinityLaw | | Affinity law for scaling |
| SI.Height | head | | Pump pressure head |
Contents
| Name | Description |
|---|
 Medium | |