modelOverallFlow

Both laminar and turbulent flow (Modelica.Fluid.Dissipation)
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Extends from SiemensPower.Utilities.PressureLoss.PartialFriction (Base class for friction pressure loss correlations), SiemensPower.Utilities.PressureLoss.PartialFrictionSinglePhase (Base class for restricting the choice of friction correlations).

Information

Author: Haiko Steuer SCD
Checked by:
Protection class: public

License, Copyright and Disclaimer


Licensed by Siemens AG under the Siemens Modelica License 2

Copyright 2007-2012 Siemens AG. All rights reserved.

This Modelica package is free software and the use is completely at your own risk; it can be redistributed and/or modified under the terms of the Siemens Modelica License 2. For license conditions (including the disclaimer of warranty) see Siemens Modelica License 2 .

Parameters

TypeNameDefaultDescription
Reallambda (from PartialFriction)0.02constant friction factor (used for valve friction model only)
Modelica.SIunits.LengthdiameterInnergeoPipe.d_out - 2*geoPipe.s
Modelica.SIunits.AreaAModelica.Constants.pi*0.25*diameterInner*diameterInner
Advanced
SiemensPower.Utilities.Structures.PipeGeogeoPipe (from PartialFriction)geometry parameters of the tube
Modelica.SIunits.Lengthdz (from PartialFriction)length of tube section for which friction pressure loss is wanted

Components

TypeNameDefaultDescription
Modelica.SIunits.Pressurep (from PartialFriction)pressure
Modelica.SIunits.SpecificEnthalpyh (from PartialFriction)specific enthalpy
Modelica.SIunits.Densityrho (from PartialFriction)mass density
Modelica.SIunits.DynamicViscosityeta (from PartialFriction)dynamic viscosoty
RealsteamQuality (from PartialFriction)Steam quality
Realxdo (from PartialFriction)Critical steam quality, at which the boiling crisis (e.g. dryout) occurs
Modelica.SIunits.MassFlowRatem_flow (from PartialFriction)mass flow rate
Modelica.SIunits.Pressuredp (from PartialFriction)
Modelica.Fluid.Dissipation.PressureLoss.General.dp_pressureLossCoefficient_IN_conDPMFLOW_ADD_IN_con
Modelica.Fluid.Dissipation.PressureLoss.General.dp_pressureLossCoefficient_IN_varDPMFLOW_ADD_IN_var
Modelica.Fluid.Dissipation.PressureLoss.StraightPipe.dp_overall_IN_conDPMFLOW_IN_con
Modelica.Fluid.Dissipation.PressureLoss.StraightPipe.dp_overall_IN_varDPMFLOW_IN_var