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MapleSim Hydraulics Library from Modelon

Spool Valve  Spool valve

This is a model of a spool valve.

Connections

Name

Description

Modelica ID

supportA

 

supportA

supportB

 

supportB

flangeA

 

flangeA

flangeB

 

flangeB

oil

 

oil

portA

 

portA

portA1

 

portA1

Parameters

General Parameters

Name

Default

Units

Description

Modelica ID

L

 

m

Element length

L

reverse

false

 

Reverse the sign convention, see documentation for details

reverse

V0

0

m3

Dead volume

V0

A

 

m2

Spool area

A

Arod

 

m2

Rod area

A_rod

deltaR

10-5

m

Radial clearance > 0

deltaR

TransitionType

1

 

Type of transition

TransitionType

k1

10

 

Laminar part of flow model

k1

k2

2.04

 

Turbulent part of flow model

k2

Cdmax

0.7

 

Discharge coefficient

Cdmax

λc

14

 

Critical flow number

lambdac

ΔTsystem

0

K

Temperature offset from system temperature

dT_system

Orifice Parameters

Name

Default

Units

Description

Modelica ID

orificeType

1

 

 

orificeType

flowareamax

 

m2

Maximum flow area

flowareamax

xmin

 

m

Position>x_min => valve opens

x_min

xmax

 

m

Position>x_max => valve fully open

x_max

areatab

0,0.1,0.2,0.3

 

Table for orifice area

area_tab

diamtab

0,0.1,0.2,0.3

 

Table for orifice hydraulic diameter

diam_tab

See Also

Elements, MapleSim Hydraulics Library from Modelon Overview


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