modelConvection_regenerativeAirPreheater_L4

Gas || Convection Air Preheater Channels

Extends from ClaRa.Basics.ControlVolumes.Fundamentals.HeatTransport.Gas_HT.Convection.HeatTransfer_L4 (Gas || HT Base Class).

Information

Model description: A correlation for convective heat transfer inside regenerative air preheaters

FEATURES

  • Equations according to: H. Effenberger: Dampferzeugung, chapter 9.34

 

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_L4)"true"
BooleanuseHomotopy (from HeatTransfer_L4)
ClaRa.Basics.Units.AreaA_heat (from HeatTransfer_L4)Area of heat transfer
IntegerheatSurfaceAlloc1To be considered heat transfer area
RealCF_fouling1Scaling factor accounting for the fouling of the wall

Connectors

TypeNameDefaultDescription
ClaRa.Basics.Interfaces.HeatPort_a[iCom.N_cv]heat (from HeatTransfer_L4)

Components

TypeNameDefaultDescription
ClaRa.Basics.Records.IComGas_L3iCom (from HeatTransfer_L4)
ClaRa.Basics.ControlVolumes.Fundamentals.Geometry.GenericGeometry_N_cvgeo (from HeatTransfer_L4)
ClaRa.Basics.Units.MassFlowRate[iCom.N_cv + 1]m_flow (from HeatTransfer_L4)Mass flow rate
ClaRa.Basics.Units.Temperature[iCom.N_cv]T_mean (from HeatTransfer_L4)
ClaRa.Basics.Units.CoefficientOfHeatTransfer[iCom.N_cv]alphaHeat transfer coefficient
TILMedia.Gas.Gas_ph[iCom.N_cv]fluid
Real[iCom.N_cv]wMedium velocity
Real[iCom.N_cv]ReReynolds number
Real[iCom.N_cv]smoothSmoothing factor

Revisions

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