00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 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 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your 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, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::NSRDSfunc2 00026 00027 Description 00028 NSRDS function number 102 00029 00030 Source: 00031 @verbatim 00032 NSRDS - AICHE 00033 Data Compilation Tables 00034 of Properties of 00035 Pure Compounds 00036 00037 Design Institute for Physical Property Data 00038 American Institute of Chemical Engineers 00039 345 East 47th Street 00040 New York, New York 10017 00041 00042 National Standard Reference Data System 00043 American Institute of Chemical Engineers 00044 00045 T.E. Daubert - R.P. Danner 00046 00047 Department of Chemical Engineering 00048 The Pennsylvania State University 00049 University Park, PA 16802 00050 @endverbatim 00051 00052 \*---------------------------------------------------------------------------*/ 00053 00054 #ifndef NSRDSfunc2_H 00055 #define NSRDSfunc2_H 00056 00057 #include <thermophysicalFunctions/thermophysicalFunction.H> 00058 00059 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00060 00061 namespace Foam 00062 { 00063 00064 /*---------------------------------------------------------------------------*\ 00065 Class NSRDSfunc2 Declaration 00066 \*---------------------------------------------------------------------------*/ 00067 00068 class NSRDSfunc2 00069 : 00070 public thermophysicalFunction 00071 { 00072 // Private data 00073 00074 // NSRDS function 102 coefficients 00075 scalar a_, b_, c_, d_; 00076 00077 00078 public: 00079 00080 //- Runtime type information 00081 TypeName("NSRDSfunc2"); 00082 00083 00084 // Constructors 00085 00086 //- Construct from components 00087 NSRDSfunc2(scalar a, scalar b, scalar c, scalar d) 00088 : 00089 a_(a), 00090 b_(b), 00091 c_(c), 00092 d_(d) 00093 {} 00094 00095 //- Construct from Istream 00096 NSRDSfunc2(Istream& is) 00097 : 00098 a_(readScalar(is)), 00099 b_(readScalar(is)), 00100 c_(readScalar(is)), 00101 d_(readScalar(is)) 00102 {} 00103 00104 00105 // Member Functions 00106 00107 //- Evaluate the function and return the result 00108 scalar f(scalar, scalar T) const 00109 { 00110 return a_*pow(T, b_)/(1.0 + c_/T + d_/sqr(T)); 00111 } 00112 00113 00114 //- Write the function coefficients 00115 void writeData(Ostream& os) const 00116 { 00117 os << a_ << token::SPACE 00118 << b_ << token::SPACE 00119 << c_ << token::SPACE 00120 << d_; 00121 } 00122 00123 00124 // Ostream Operator 00125 00126 friend Ostream& operator<<(Ostream& os, const NSRDSfunc2& f) 00127 { 00128 f.writeData(os); 00129 return os; 00130 } 00131 }; 00132 00133 00134 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00135 00136 } // End namespace Foam 00137 00138 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00139 00140 #endif 00141 00142 // ************************ vim: set sw=4 sts=4 et: ************************ //
