WOLFRAM SYSTEM MODELER
PumpVariableModel of a pump with variable displacement and volumes |
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SystemModel["Hydraulic.PumpsAndMotors.PumpVariable"]
![]() | : | Mass flow rate | |
![]() | : | Fluid density | |
D | : | Maximum displacement | |
u | : | Displacement setting | |
![]() | : | Pressure difference between the ports | |
![]() | : | Torque | |
![]() | : | Angular velocity |
u>=1 | : | Maximum flow from port a to port b | |
u=0 | : | Only leakage flow from port a to port b | |
u<=-1 | : | Maximum flow from port b to port a |
medium |
Value: Oil() Type: Medium Description: Medium in the component |
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D |
Value: Type: Volume (m³) Description: Displacement per revolution |
externalLeakage |
Value: 1e-12 Type: PressureDependentLeakage (m³/s·Pa) Description: Leakage between cylinders |
internalLeakage |
Value: 1e-12 Type: PressureDependentLeakage (m³/s·Pa) Description: Leakage between cylinders |
frictionD |
Value: 1 Type: RotationalDampingConstant (N·m·s/rad) Description: Viscous friction |
J |
Value: 1 Type: MomentOfInertia (kg·m²) Description: Moments of inertia |
tankPressure |
Value: 100000.0 Type: Pressure (Pa) Description: Tank pressure |
V |
Value: 0.0001 Type: Volume (m³) Description: Volume |
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medium |
Type: Medium Description: Medium in the component |
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volume_b |
Type: Volume |
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volume_a |
Type: Volume |
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inertia |
Type: Inertia |
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friction |
Type: Damper |
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pumpMotorVariable |
Type: BasicDisplacementMachine |
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externalLeakage_b |
Type: RestrictionLaminar |
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tank_b |
Type: Tank |
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tank_a |
Type: Tank |
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externalLeakage_a |
Type: RestrictionLaminar |
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internalLeakage_ab |
Type: RestrictionLaminar |
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fixed1 |
Type: Fixed |
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limiter1 |
Type: Limiter |
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Hydraulic.Examples.Rotation Example circuit of a pump driving a motor |