modelVolumeVLE_L4

A 1D tube-shaped control volume considering one-phase and two-phase heat transfer in a straight pipe with static momentum balance and simple energy balance.

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Extends from ClaRa.Basics.Icons.Volume_L4, ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ).

Information

For detailed model documentation please consult the html-documentation shipped with ClaRa.

Authorship and Copyright Statement for original (initial) Contribution

Author:

References:

For references please consult the html-documentation shipped with ClaRa.

Remarks:

This component was developed by ClaRa development team under the 3-clause BSD License.

Acknowledgements:

ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).

CLA:

The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf

By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.

The ClaRa development team consists of the following partners:

TLK-Thermo GmbH (Braunschweig, Germany)

XRG Simulation GmbH (Hamburg, Germany).

Parameters

Type	Name	Default	Description
Units.DensityMassSpecific[geo.N_cv]	rho_nom	TILMedia.VLEFluid.MixtureCompatible.Functions.density_phxi(medium, p_nom, h_nom)	Nominal density
Fundamental Definitions
TILMedia.VLEFluid.Types.BaseVLEFluid	medium	simCenter.fluid1	Medium in the component
Boolean	frictionAtInlet	false	True if pressure loss between first cell and inlet shall be considered
Boolean	frictionAtOutlet	false	True if pressure loss between last cell and outlet shall be considered
Nominal Values
Units.Pressure[geo.N_cv]	p_nom	ones(geo.N_cv)*1e5	Nominal pressure
Units.EnthalpyMassSpecific[geo.N_cv]	h_nom	ones(geo.N_cv)*1e5	Nominal specific enthalpy for single tube
Units.MassFlowRate	m_flow_nom	100	Nominal mass flow w.r.t. all parallel tubes
Units.PressureDifference	Delta_p_nom	1e4	Nominal pressure loss w.r.t. all parallel tubes
Initialisation
Integer	initOption	0	Type of initialisation
Units.EnthalpyMassSpecific[geo.N_cv]	h_start	ones(geo.N_cv)*800e3	Initial specific enthalpy for single tube
Units.Pressure[geo.N_cv]	p_start	ones(geo.N_cv)*1e5	Initial pressure
Units.MassFraction[medium.nc - 1]	xi_start	zeros(medium.nc - 1)	Initial composition
Initialisation › Model Settings
Boolean	useHomotopy	simCenter.useHomotopy	true, if homotopy method is used during initialisation
Summary and Visualisation
Boolean	showExpertSummary	simCenter.showExpertSummary	True, if an extended summary shall be shown, else false
Boolean	showData	false	True, if a data port containing p,T,h,s,m_flow shall be shown, else false

Connectors

Type	Name	Description
ClaRa.Basics.Interfaces.FluidPortIn	inlet	Inlet port
ClaRa.Basics.Interfaces.FluidPortOut	outlet	Outlet port
ClaRa.Basics.Interfaces.HeatPort_a[geo.N_cv]	heat

Components

Type	Name	Default	Description
String	complexity (from ComplexityLevel)	"??"
ClaRa.SimCenter	simCenter
Summary	summary
PressureLoss	pressureLoss		Pressure loss model
HeatTransfer	heatTransfer		heat transfer model
Geometry	geo
MechanicalEquilibrium	mechanicalEquilibrium		Mechanical equilibrium model

Name	Description
Outline
Wall_L4
Summary
PressureLoss
HeatTransfer
Geometry
MechanicalEquilibrium

Revisions

For revisions please consult the html-documentation shipped with ClaRa.