WOLFRAM SYSTEM MODELER
UnloadingReliefValveStatic unloading relief valve |
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Diagram
Wolfram Language
In[1]:=
SystemModel["Hydraulic.Valves.PressureControl.Internal.UnloadingReliefValve"]
Out[1]:=
Information
This is a static model of an unloading relief valve.
Limitations
This model does not contain lumped volumes, so it does not integrate the flow and compute the pressure at the ports.Parameters (8)
| medium |
Value: Oil() Type: Medium Description: Medium in the component |
|---|---|
| Gleak |
Value: 1e-020 Type: PressureDependentLeakage (m³/(s⋅Pa)) Description: Leakage between orifices |
| pMax |
Value: 21000000.0 Type: Pressure (Pa) Description: Pressure when valve is fully open |
| pMin |
Value: 20000000.0 Type: Pressure (Pa) Description: Pressure when valve starts to open |
| t1 |
Value: 0.1 Type: Time (s) Description: Time constant for first-order system |
| AMax |
Value: 0.01 Type: Area (m²) Description: Maximum opening area |
| Cd |
Value: 0.62 Type: Real Description: Coefficient of discharge for the opening |
| kp |
Value: 0.85 Type: Real Description: Pilot ratio; a positive value helps port_a |
Connectors (3)
Components (3)
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medium |
Type: Medium Description: Medium in the component |
|---|---|---|
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flowAB |
Type: ControlledOrifice Description: Controlled restriction |
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spool |
Type: SpoolHPilotOperated Description: Model of a hydraulic spool |
Used in Components (1)
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Hydraulic.Valves.PressureControl Unloading relief valve, controlled by the pressure difference between the ports |