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MapleSim Hydraulics Library from Modelon

Pump With Loss  Pump with constant displacement and table-based mechanical efficiency

Connections

Name

Description

Modelica ID

portA

Port A, where oil flows into the component (0<q, pB<pA means 0<&Delta;p)

port_A

portB

Port B, where oil leaves the component (q<0, pB<pA means 0<&Delta;p)

port_B

flangea

 

flange_a

flangeb

 

flange_b

oil

 

oil

Parameters

General Parameters

Name

Default

Units

Description

Modelica ID

&Delta;Tsystem

0

K

Temperature offset from system temperature

dT_system

external leakage

true

 

If true, a small amount of oil leaks to the tank components

externalLeakage

use volume A

true

 

If true, a volume is present at port_A

useVolumeA

use volume B

true

 

If true, a volume is present at port_B

useVolumeB

Gext

10-13

m3sPa

Conductance of external leakage

Gext

Gint

5.·10-12

m3sPa

Conductance of the internal motor leakage

Gint

Dpump

10-4

m3

Displacement per revolution

Dpump

GPint

10-13

m3sPa

Conductance of internal leakage

GPint

J

0.01

kgm2

Moment of inertia

J

td

0

 

Friction coefficient#

td

table eps[m]

[0,9/10; 1,9/10]

 

Table for mechanical efficiency, eps_m

table_eps_m

variable mechanical efficiency

true

 

Include variable mechanical efficiency

variableMechanicalEfficiency

εmechconst

910

 

Mechanical efficiency, if constant value

eps_m_constant

Oil Parameters

Name

Default

Units

Description

Modelica ID

VA

10-6

m3

Geometric volume at port A

volumeA

VB

10-6

m3

Geometric volume at port B

volumeB

See Also

Pumps, MapleSim Hydraulics Library from Modelon Overview


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