FreeFOAM The Cross-Platform CFD Toolkit
egrMixture.C
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25 
26 #include "egrMixture.H"
27 #include <finiteVolume/fvMesh.H>
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 template<class ThermoType>
32 const char* Foam::egrMixture<ThermoType>::specieNames_[3] = {"ft", "bprog", "egr"};
33 
34 
35 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
36 
37 template<class ThermoType>
39 (
40  const dictionary& thermoDict,
41  const fvMesh& mesh
42 )
43 :
45  (
46  thermoDict,
47  speciesTable(nSpecies_, specieNames_),
48  mesh
49  ),
50 
51  stoicRatio_(thermoDict.lookup("stoichiometricAirFuelMassRatio")),
52 
53  fuel_(thermoDict.lookup("fuel")),
54  oxidant_(thermoDict.lookup("oxidant")),
55  products_(thermoDict.lookup("burntProducts")),
56 
57  mixture_("mixture", fuel_),
58 
59  ft_(Y("ft")),
60  b_(Y("bprog")),
61  egr_(Y("egr"))
62 {}
63 
64 
65 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
66 
67 template<class ThermoType>
69 (
70  const scalar ft,
71  const scalar b,
72  const scalar egr
73 ) const
74 {
75  if (ft < 0.0001)
76  {
77  return oxidant_;
78  }
79  else
80  {
81 
82  scalar fu = b*ft + (1.0 - b)*fres(ft, stoicRatio().value());
83  scalar ox = 1 - ft - (ft - fu)*stoicRatio().value();
84 
85  fu *= (1.0 - egr);
86  ox *= (1.0 - egr);
87 
88  scalar pr = 1 - fu - ox;
89 
90  mixture_ = fu/fuel_.W()*fuel_;
91  mixture_ += ox/oxidant_.W()*oxidant_;
92  mixture_ += pr/products_.W()*products_;
93 
94  return mixture_;
95  }
96 }
97 
98 
99 template<class ThermoType>
101 {
102  stoicRatio_ = thermoDict.lookup("stoichiometricAirFuelMassRatio");
103 
104  fuel_ = ThermoType(thermoDict.lookup("fuel"));
105  oxidant_ = ThermoType(thermoDict.lookup("oxidant"));
106  products_ = ThermoType(thermoDict.lookup("burntProducts"));
107 }
108 
109 
110 // ************************ vim: set sw=4 sts=4 et: ************************ //