LaminarResistance

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LaminarResistance

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Iconic Diagrams\Hydraulics\Restrictions

Use

Domains: Continuous. Size: 1-D. Kind: Iconic Diagrams (Hydraulics).

Description

This model describes the laminar flow through a component:

 

pa.phi = pb.phi = G*(pa.p - pb.p);

 

The pressure at both ports has a lower limit which is equal to the vapour pressure. Therefore the actual equations used in this component are:

 

p1_lim = if pa.p < p_vapour then p_vapour else pa.p end;

p2_lim = if pb.p < p_vapour then p_vapour else pb.p end;

dp = p1_lim - p2_lim;

pa.phi = G*dp;

pb.phi = pa.phi;

 

There is no check on the validity of laminar flow in this component!

Interface

Ports

Description

pa, pb

Both terminals of the hydraulic component.

Causality

 

fixed volume flow out pa

fixed volume flow out pb

 

Parameters

 

G

Conductance of laminar resistance [m3/s.Pa], G >= 0!.