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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 // ************************************************************************* //