WOLFRAM SYSTEM MODELER

DisplacementMachine

Model of a pump/motor with volumes

Diagram

Wolfram Language

In[1]:=
SystemModel["Hydraulic.PumpsAndMotors.Internal.DisplacementMachine"]
Out[1]:=

Information

This is a partial model of a pump/motor with volumes.

Limitations

This class is partial, which means that it cannot be instantiated. It is meant to be inherited by other classes. Volumetric efficiency is not included in the models.

Parameters (8)

medium

Value: Oil()

Type: Medium

Description: Medium in the component

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

Connectors (3)

port_b

Type: Port_b

port_a

Type: Port_a

flange

Type: Flange_a

Components (12)

medium

Type: Medium

Description: Medium in the component

volume_b

Type: Volume

volume_a

Type: Volume

inertia

Type: Inertia

friction

Type: Damper

pumpMotorVariable

Type: BasicDisplacementMachine

externalLeakage_b

Type: RestrictionLaminar

tank_b

Type: Tank

tank_a

Type: Tank

externalLeakage_a

Type: RestrictionLaminar

internalLeakage_ab

Type: RestrictionLaminar

fixed1

Type: Fixed

Extended by (2)

VariableDisplacementMachine

Hydraulic.PumpsAndMotors.Internal

Model of a pump/motor with variable displacement and volumes

FixedDisplacementMachine

Hydraulic.PumpsAndMotors.Internal

Model of a pump/motor with fixed displacement and volumes