OpenFOAM logo
Open Source CFD Toolkit

RanzMarshall.H

Go to the documentation of this file.
00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2005 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software; you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by the
00013     Free Software Foundation; either version 2 of the License, or (at your
00014     option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM; if not, write to the Free Software Foundation,
00023     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00024 
00025 Class
00026     RanzMarshall
00027 
00028 Description
00029     The Ranz-Marshal correlation for heat transfer
00030 
00031 \*---------------------------------------------------------------------------*/
00032 
00033 #ifndef RanzMarshall_H
00034 #define RanzMarshall_H
00035 
00036 #include "heatTransferModel.H"
00037 
00038 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00039 
00040 namespace Foam
00041 {
00042 /*---------------------------------------------------------------------------*\
00043                            Class RanzMarshall Declaration
00044 \*---------------------------------------------------------------------------*/
00045 
00046 class RanzMarshall
00047 :
00048     public heatTransferModel
00049 {
00050 private:
00051 
00052     // Private data
00053 
00054         dictionary heatDict_;
00055         scalar preRePrFactor_;
00056         scalar ReExponent_;
00057         scalar PrExponent_;
00058 
00059 public:
00060 
00061     //- Runtime type information
00062         TypeName("RanzMarshall");
00063 
00064 
00065     // Constructors
00066 
00067         //- Construct from dictionary
00068         RanzMarshall
00069         (
00070             const dictionary& dict
00071         );
00072 
00073 
00074     // Destructor
00075 
00076         ~RanzMarshall();
00077 
00078 
00079     // Member Functions
00080 
00081         bool heatTransfer() const;
00082 
00083         //- Nusselt Number
00084         scalar Nu
00085         (
00086             const scalar ReynoldsNumber,
00087             const scalar PrandtlNumber
00088         ) const;
00089 
00090         scalar relaxationTime
00091         (
00092             const scalar liquidDensity,
00093             const scalar diameter,
00094             const scalar liquidcL,
00095             const scalar kappa,
00096             const scalar ReynoldsNumber,
00097             const scalar PrandtlNumber
00098         ) const;
00099 
00100         scalar fCorrection(const scalar z) const;
00101 
00102 };
00103 
00104 
00105 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00106 
00107 } // End namespace Foam
00108 
00109 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00110 
00111 #endif
00112 
00113 // ************************************************************************* //
For further information go to www.openfoam.org