Tenneti.C
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25 
26 #include "Tenneti.H"
27 #include "SchillerNaumann.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace dragModels
35 {
38 }
39 }
40 
41 
42 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
43 
45 (
46  const dictionary& dict,
47  const phaseInterface& interface,
48  const bool registerObject
49 )
50 :
51  dispersedDragModel(dict, interface, registerObject)
52 {}
53 
54 
55 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
56 
58 {}
59 
60 
61 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
62 
64 {
65  const volScalarField alpha1
66  (
67  max(interface_.dispersed(), interface_.continuous().residualAlpha())
68  );
69 
70  const volScalarField alpha2
71  (
72  max(interface_.continuous(), interface_.continuous().residualAlpha())
73  );
74 
75  const volScalarField Res(alpha2*interface_.Re());
76 
77  const volScalarField CdReIsolated
78  (
79  neg(Res - 1000)*24*(1 + 0.15*pow(Res, 0.687))
80  + pos0(Res - 1000)*0.44*Res
81  );
82 
83  const volScalarField F0
84  (
85  5.81*alpha1/pow3(alpha2) + 0.48*pow(alpha1, 1.0/3.0)/pow4(alpha2)
86  );
87 
88  const volScalarField F1
89  (
90  pow3(alpha1)*Res*(0.95 + 0.61*pow3(alpha1)/sqr(alpha2))
91  );
92 
93  // Tenneti et al. correlation includes the mean pressure drag.
94  // This was removed here by multiplying F by alpha2 for consistency with
95  // the formulation used in OpenFOAM
96  return CdReIsolated + 24*sqr(alpha2)*(F0 + F1);
97 }
98 
99 
100 // ************************************************************************* //
#define F1(B, C, D)
Definition: SHA1.C:173
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:162
Model for drag between phases.
Definition: dragModel.H:55
Drag model of Tenneti et al. for monodisperse gas-particle flows obtained with particle-resolved dire...
Definition: Tenneti.H:65
Tenneti(const dictionary &dict, const phaseInterface &interface, const bool registerObject)
Construct from a dictionary and an interface.
Definition: Tenneti.C:45
virtual ~Tenneti()
Destructor.
Definition: Tenneti.C:57
virtual tmp< volScalarField > CdRe() const
Drag coefficient.
Definition: Tenneti.C:63
Class to represent an interface between phases. Derivations can further specify the configuration of ...
A class for managing temporary objects.
Definition: tmp.H:55
defineTypeNameAndDebug(aerosolDrag, 0)
addToRunTimeSelectionTable(dragModel, aerosolDrag, dictionary)
Namespace for OpenFOAM.
dimensionedScalar pos0(const dimensionedScalar &ds)
dimensionedSymmTensor sqr(const dimensionedVector &dv)
dimensionedScalar pow3(const dimensionedScalar &ds)
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar pow4(const dimensionedScalar &ds)
layerAndWeight max(const layerAndWeight &a, const layerAndWeight &b)
dimensionedScalar neg(const dimensionedScalar &ds)
dictionary dict