FreeFOAM The Cross-Platform CFD Toolkit
NSRDSfunc4.H
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4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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23 
24 Class
25  Foam::NSRDSfunc4
26 
27 Description
28  NSRDS function number 104
29 
30  Source:
31  @verbatim
32  NSRDS - AICHE
33  Data Compilation Tables
34  of Properties of
35  Pure Compounds
36 
37  Design Institute for Physical Property Data
38  American Institute of Chemical Engineers
39  345 East 47th Street
40  New York, New York 10017
41 
42  National Standard Reference Data System
43  American Institute of Chemical Engineers
44 
45  T.E. Daubert - R.P. Danner
46 
47  Department of Chemical Engineering
48  The Pennsylvania State University
49  University Park, PA 16802
50  @endverbatim
51 
52 \*---------------------------------------------------------------------------*/
53 
54 #ifndef NSRDSfunc4_H
55 #define NSRDSfunc4_H
56 
58 
59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
60 
61 namespace Foam
62 {
63 
64 /*---------------------------------------------------------------------------*\
65  Class NSRDSfunc4 Declaration
66 \*---------------------------------------------------------------------------*/
67 
69 :
71 {
72  // Private data
73 
74  // NSRDS function 104 coefficients
75  scalar a_, b_, c_, d_, e_;
76 
77 
78 public:
79 
80  //- Runtime type information
81  TypeName("NSRDSfunc4");
82 
83 
84  // Constructors
85 
86  //- Construct from components
87  NSRDSfunc4(scalar a, scalar b, scalar c, scalar d, scalar e)
88  :
89  a_(a),
90  b_(b),
91  c_(c),
92  d_(d),
93  e_(e)
94  {}
95 
96  //- Construct from Istream
98  :
99  a_(readScalar(is)),
100  b_(readScalar(is)),
101  c_(readScalar(is)),
102  d_(readScalar(is)),
103  e_(readScalar(is))
104  {}
105 
106 
107  // Member Functions
108 
109  //- Evaluate the function and return the result
110  scalar f(scalar, scalar T) const
111  {
112  return a_ + b_/T + c_/pow(T, 3) + d_/pow(T, 8) + e_/pow(T, 9);
113  }
114 
115 
116  //- Write the function coefficients
117  void writeData(Ostream& os) const
118  {
119  os << a_ << token::SPACE
120  << b_ << token::SPACE
121  << c_ << token::SPACE
122  << d_ << token::SPACE
123  << e_;
124  }
125 
126 
127  // Ostream Operator
128 
129  friend Ostream& operator<<(Ostream& os, const NSRDSfunc4& f)
130  {
131  f.writeData(os);
132  return os;
133  }
134 };
135 
136 
137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
138 
139 } // End namespace Foam
140 
141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
142 
143 #endif
144 
145 // ************************ vim: set sw=4 sts=4 et: ************************ //