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MapleSim Hydraulics Library from Modelon

Ind Hole No Volumes  Inductance of a small hole

The IndHoleNoVolume component describes the inductance of an oil column in a small, sharp-edged hole and includes the observed increase compared with the theoretical value. The model is valid for sharp-edged holes with:

0.5 mm < d < 1

and

1 < d / &ell; < 2

There is a check to determine whether the following condition is met:

&ell; > d

Use the modifier

q(start=1e-6,fixed=true)

to set the initial condition for the flow rate of the inductance [m3/s].

Connections

Name

Description

Modelica ID

portA

Layout of port where oil flows into an element (0<mflow, pB<pA means 0<&Delta;p)

port_A

portB

Hydraulic port where oil leaves the component (mflow<0, pB<pA means 0<&Delta;p)

port_B

oil

 

oil

Parameters

Name

Default

Units

Description

Modelica ID

&Delta;Tsystem

0

K

Temperature offset from system temperature

dT_system

0.015

m

Hole length

length

d

8.5·10-4

m

Hole diameter

diameter

See Also

Lines, MapleSim Hydraulics Library from Modelon Overview


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