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WOLFRAM SYSTEM MODELER

FixedLaminarThrottle

Laminar restriction using conductance

Diagram

In[1]:=

SystemModel["Hydraulic.Valves.FlowControl.FixedLaminarThrottle"]

Out[1]:=

This model with lumped volumes describes laminar flow. The flow is given by the equation:

where

	:	Mass flow rate
	:	Fluid density
G	:	Conductance of the restriction
	:	Pressure difference between ports a and b

F. Young, R. Munson, H. Okiishi, and W. Huebsch, A Brief Introduction to Fluid Mechanics, 4th ed., Hoboken, NJ: Wiley, 2007 p. 291.

medium	Value: Oil() Type: Medium Description: Medium in the component
G	Value: 1e-010 Type: ConductanceOfLaminarResistance (m³/(s⋅Pa)) Description: Conductance of laminar resistance
V	Value: 0.0001 Type: Volume (m³) Description: Volume of component

medium

Value: Oil()

Description: Medium in the component

Value: 1e-010

Description: Conductance of laminar resistance

Value: 0.0001

Type: Volume (m³)

Description: Volume of component

	port_b	Type: Port_b Description: Port for hydraulic fluid (unfilled icon)
	port_a	Type: Port_a Description: Port for hydraulic fluid (filled icon)

port_b

Description: Port for hydraulic fluid (unfilled icon)

port_a

Description: Port for hydraulic fluid (filled icon)

	medium	Type: Medium Description: Medium in the component
	restrictionLaminar	Type: RestrictionLaminar Description: Laminar restriction using conductance
	volume_a	Type: Volume Description: Fixed volume with fluid storage
	volume_b	Type: Volume Description: Fixed volume with fluid storage

Hydraulic.Examples.Accumulators

Example circuit with an unloading relief valve and an accumulator

Hydraulic.Examples.Accumulators

Example circuit with automatic discharge of an accumulator

Hydraulic.Examples.Rotation

Example circuit of a pump driving a motor