modelPumpParallel
Example that tests the model pump parallels
Extends from Modelica.Icons.Example.
Information
This example demonstrates the use of the flow model with two different configurations. At steady-state, all flow models have the same mass flow rate and pressure difference.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | numPum | 2 | The number of pumps |
| Modelica.Units.SI.MassFlowRate | m_flow_nominal | 6000/3600*1.2 | Nominal mass flow rate |
| Real | thr1 | 1E-4 | Threshold for shutoff valves in parallel 1 |
| Real | thr2 | thr1*m_flow_nominal | Threshold for shutoff valves in parallel 2 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Applications.BaseClasses.Equipment.FlowMachine_y | pumPar1 | Pumps with speed controlled | |
| Buildings.Fluid.FixedResistances.PressureDrop | dp2 | Pressure drop | |
| Buildings.Fluid.FixedResistances.PressureDrop | dp1 | Pressure drop | |
| Buildings.Fluid.Sources.Boundary_pT | sou | Source | |
| Buildings.Fluid.Sources.Boundary_pT | sin | Sink | |
| Modelica.Blocks.Sources.Pulse[numPum] | y | Input signal | |
| Buildings.Applications.BaseClasses.Equipment.FlowMachine_m | pumPar2 | Pumps with m_flow controlled | |
| Buildings.Fluid.FixedResistances.PressureDrop | dp3 | Pressure drop | |
| Buildings.Fluid.FixedResistances.PressureDrop | dp4 | Pressure drop |
Contents
| Name | Description |
|---|---|
| MediumW | Medium model |
Revisions
-
July 11, 2019, by Michael Wetter:
Removedfrom_dp=truefor all resistance models as otherwise the model fails to simulate in JModelica. -
January 12, 2019, by Michael Wetter:
Removedeach. -
July 22, 2017, by Yangyang Fu:
First implementation.