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MapleSim Hydraulics Library from Modelon

Id Flow Source Ext Command  Ideal flow source with externally commanded flow rate

This component describes an ideal flow source with externally commanded flow rate. The flow rate is given by commandSignal in m3/s, and it can be negative. The pressure is a result of the flow rate and the following resistances.

 

Equations

Variables

Connections

Parameters

Equations

ρ=ρoilp=pB+patmoil,T=T,vair=vgasoil,psat=psat

T=T0oil+ΔTsystem

mflowBρ=commandSignal

Variables

Name

Value

Units

Description

Modelica ID

ρ

 

kgm3

Density

rho

T

 

K

Local temperature

T

psat

[1]

Pa

Gas saturation pressure

p_sat

[1] oil.gasSaturationPressureT=T,vgas=oil.vgas

Connections

Name

Description

Modelica ID

oil

 

oil

portB

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

port_B

commandSignal

Connector of input signal used as flow rate

commandSignal

Parameters

Name

Default

Units

Description

Modelica ID

&Delta;Tsystem

0

K

Temperature offset from system temperature

dT_system

See Also

Pumps

MapleSim Hydraulics Library from Modelon Overview

 


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