VolumeFlowEnforces constant volume flow |
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Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
Fan resp. pump with constant volume flow rate. Pressure increase is the response of the whole system.
Coolant's temperature and enthalpy flow are not affected.
Setting parameter m (mass of medium within fan/pump) to zero leads to neglect of temperature transient cv*m*der(T).
Thermodynamic equations are defined by Partials.TwoPort.
Parameters (7)
| medium |
Value: Modelica.Thermal.FluidHeatFlow.Media.Medium() Type: Medium Description: Medium in the component |
|---|---|
| m |
Value: Type: Mass (kg) Description: Mass of medium |
| T0 |
Value: Type: Temperature (K) Description: Initial temperature of medium |
| T0fixed |
Value: false Type: Boolean Description: Initial temperature guess value or fixed |
| tapT |
Value: 1 Type: Real Description: Defines temperature of heatPort between inlet and outlet temperature |
| useVolumeFlowInput |
Value: false Type: Boolean Description: Enable / disable volume flow input |
| constantVolumeFlow |
Value: Type: VolumeFlowRate (m³/s) Description: Volume flow rate |
Outputs (4)
| T |
Type: Temperature (K) Description: Outlet temperature of medium |
|---|---|
| T_a |
Type: Temperature (K) Description: Temperature at flowPort_a |
| T_b |
Type: Temperature (K) Description: Temperature at flowPort_b |
| dT |
Type: TemperatureDifference (K) Description: Temperature increase of coolant in flow direction |
Connectors (3)
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flowPort_a |
Type: FlowPort_a |
|---|---|---|
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flowPort_b |
Type: FlowPort_b |
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volumeFlow |
Type: RealInput |
Components (1)
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medium |
Type: Medium Description: Medium in the component |
|---|
Used in Examples (9)
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Modelica.Electrical.Machines.Examples.DCMachines Test example: Cooling of a DCPM motor |
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Modelica.Thermal.FluidHeatFlow.Examples Simple cooling circuit |
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Modelica.Thermal.FluidHeatFlow.Examples Cooling circuit with parallel branches |
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Modelica.Thermal.FluidHeatFlow.Examples Indirect cooling circuit |
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Modelica.Thermal.FluidHeatFlow.Examples Cooling circuit with drop out of pump |
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Modelica.Thermal.FluidHeatFlow.Examples Cooling circuit with parallel branches and drop out of pump |
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Modelica.Thermal.FluidHeatFlow.Examples Cooling of one hot mass |
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Modelica.Thermal.FluidHeatFlow.Examples Cooling of two hot masses |
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Modelica.Thermal.FluidHeatFlow.Examples Test the OpenTank model |