modelConvection_carrierTubes_laminar_L2

Carrier Tube Geo || L2 || Convection Longitudinal Tubes
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Extends from ClaRa.Basics.ControlVolumes.Fundamentals.HeatTransport.Gas_HT.Convection.HeatTransfer_L2.

Information

Model description: A correlation for convective heat transfer at a cylindric tube for longitudinal flow

FEATURES

  • This model uses TILMedia
  • Needs geometry model for tube banks
  • Equations according to: VDI-Wärmeatlas: 10.bearbeitete und erweiterte Auflage, 2006, chapter Ge 1-5

 

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

 


Authorship and Copyright Statement for original (initial) Contribution

Author:

DYNCAP/DYNSTART development team, Copyright © 2011-2024.

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

TypeNameDefaultDescription
Stringgas (from HeatTransferBaseGas)"true"
BooleanuseHomotopy (from HeatTransfer_L2)
IntegerheatSurfaceAlloc3To be considered heat transfer area
ClaRa.Basics.Units.Lengthlength_chargeo.heightCharacteristic length
Heat Transfer
StringtemperatureDifference (from HeatTransfer_L2)"Logarithmic mean - smoothed"Temperature Difference

Connectors

TypeNameDefaultDescription
ClaRa.Basics.Interfaces.HeatPort_aheat (from HeatTransfer_L2)

Components

TypeNameDefaultDescription
ClaRa.Basics.Records.IComGas_L2iCom (from HeatTransfer_L2)
RealCF_fouling (from HeatTransfer_L2)0.8Scaling factor accounting for the fouling of the wall
Units.TemperatureDelta_T_wi (from HeatTransfer_L2)Temperature difference between wall and fluid inlet temperature
Units.TemperatureDelta_T_wo (from HeatTransfer_L2)Temperature difference between wall and fluid outlet temperature
Units.TemperatureDelta_T_mean (from HeatTransfer_L2)Mean temperature
Units.TemperatureDelta_T_U (from HeatTransfer_L2)Upper temperature difference
Units.TemperatureDelta_T_L (from HeatTransfer_L2)Lower temperature difference
ClaRa.Basics.Units.CoefficientOfHeatTransferalphaHeat transfer coefficient
ClaRa.Basics.Units.VelocitywFlue gas velocity
RealNu_dmNusselt number
RealKCurvature parameter
RealnuKinematic viscosity

Revisions

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