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::NSRDSfunc6 00026 00027 Description 00028 NSRDS function number 106 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 NSRDSfunc6_H 00055 #define NSRDSfunc6_H 00056 00057 #include <thermophysicalFunctions/thermophysicalFunction.H> 00058 00059 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00060 00061 namespace Foam 00062 { 00063 00064 /*---------------------------------------------------------------------------*\ 00065 Class NSRDSfunc6 Declaration 00066 \*---------------------------------------------------------------------------*/ 00067 00068 class NSRDSfunc6 00069 : 00070 public thermophysicalFunction 00071 { 00072 // Private data 00073 00074 // NSRDS function 106 coefficients 00075 scalar Tc_, a_, b_, c_, d_, e_; 00076 00077 00078 public: 00079 00080 //- Runtime type information 00081 TypeName("NSRDSfunc6"); 00082 00083 00084 // Constructors 00085 00086 //- Construct from components 00087 NSRDSfunc6(scalar Tc, scalar a, scalar b, scalar c, scalar d, scalar e) 00088 : 00089 Tc_(Tc), 00090 a_(a), 00091 b_(b), 00092 c_(c), 00093 d_(d), 00094 e_(e) 00095 {} 00096 00097 //- Construct from Istream 00098 NSRDSfunc6(Istream& is) 00099 : 00100 Tc_(readScalar(is)), 00101 a_(readScalar(is)), 00102 b_(readScalar(is)), 00103 c_(readScalar(is)), 00104 d_(readScalar(is)), 00105 e_(readScalar(is)) 00106 {} 00107 00108 00109 // Member Functions 00110 00111 //- Evaluate the function and return the result 00112 scalar f(scalar, scalar T) const 00113 { 00114 scalar Tr = T/Tc_; 00115 return a_*pow(1 - Tr, ((e_*Tr + d_)*Tr + c_)*Tr + b_); 00116 } 00117 00118 00119 //- Write the function coefficients 00120 void writeData(Ostream& os) const 00121 { 00122 os << Tc_ << token::SPACE 00123 << a_ << token::SPACE 00124 << b_ << token::SPACE 00125 << c_ << token::SPACE 00126 << d_ << token::SPACE 00127 << e_; 00128 } 00129 00130 00131 // Ostream Operator 00132 00133 friend Ostream& operator<<(Ostream& os, const NSRDSfunc6& f) 00134 { 00135 f.writeData(os); 00136 return os; 00137 } 00138 }; 00139 00140 00141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00142 00143 } // End namespace Foam 00144 00145 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00146 00147 #endif 00148 00149 // ************************ vim: set sw=4 sts=4 et: ************************ //