FreeFOAM The Cross-Platform CFD Toolkit
ConstantRateDevolatilisation.C
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25 
27 
28 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
29 
30 template <class CloudType>
32 (
33  const dictionary& dict,
34  CloudType& owner
35 )
36 :
37  DevolatilisationModel<CloudType>(dict, owner, typeName),
38  A0_(dimensionedScalar(this->coeffDict().lookup("A0")).value()),
39  volatileResidualCoeff_
40  (
41  readScalar(this->coeffDict().lookup("volatileResidualCoeff"))
42  )
43 {}
44 
45 
46 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
47 
48 template <class CloudType>
50 {}
51 
52 
53 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
54 
55 template<class CloudType>
57 {
58  return true;
59 }
60 
61 
62 template<class CloudType>
64 (
65  const scalar dt,
66  const scalar mass0,
67  const scalar mass,
68  const scalar T,
69  const scalar YVolatile0,
70  const scalar YVolatile,
71  bool& canCombust
72 ) const
73 {
74  const scalar massVolatile0 = YVolatile0*mass0;
75  const scalar massVolatile = YVolatile*mass;
76 
77  if (massVolatile <= volatileResidualCoeff_*massVolatile0)
78  {
79  canCombust = true;
80  }
81 
82  // Volatile devolatilisation from particle to carrier gas phase
83  const scalar dMass = min(dt*A0_*massVolatile0, massVolatile);
84 
85  return dMass;
86 }
87 
88 
89 // ************************ vim: set sw=4 sts=4 et: ************************ //