WOLFRAM SYSTEM MODELER

CheckValve

Static check valve

Diagram

Wolfram Language

In[1]:=
SystemModel["Hydraulic.Valves.DirectionalControl.Internal.CheckValve"]
Out[1]:=

Information

This is a static model of a check valve.

Limitations

This model does not contain lumped volumes, so it does not integrate the flow and compute the pressure at the ports.

Parameters (7)

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: 100000.0

Type: Pressure (Pa)

Description: Pressure when valve is fully open

pMin

Value: 100

Type: Pressure (Pa)

Description: Pressure when valve starts to open

A

Value: 0.01

Type: Area (m²)

Description: Opening area when opened

Cd

Value: 0.62

Type: Real

Description: Coefficient of discharge for the opening

t1

Value: 0.001

Type: Time (s)

Description: Time constant for first-order system

Connectors (2)

port_b

Type: Port_b

Description: Port for hydraulic fluid (unfilled icon)

port_a

Type: Port_a

Description: Port for hydraulic fluid (filled icon)

Components (3)

medium

Type: Medium

Description: Medium in the component

restriction

Type: ControlledOrifice

Description: Controlled restriction

spool

Type: SpoolH

Description: Model of a hydraulic spool

Used in Components (1)

CheckValve

Hydraulic.Valves.DirectionalControl

Check valve with lumped volumes