Bubble breakup model of Liao et al. (2015). The terminal velocities and drag coefficients are computed by an iterative procedure based on the drag model of Ishii and Zuber (1979) at the beginning of the simulation, assuming single bubbles rising in quiescent liquid. More...

Inheritance diagram for Liao:

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Public Member Functions
	TypeName ("Liao")
	Runtime type information. More...

	Liao (const populationBalanceModel &popBal, const dictionary &dict)

virtual	~Liao ()
	Destructor. More...

virtual void	precompute ()
	Precompute diameter independent expressions. More...

virtual void	addToBinaryBreakupRate (volScalarField &binaryBreakupRate, const label i, const label j)
	Add to binary breakupRate. More...

Public Member Functions inherited from binaryBreakupModel
	TypeName ("binaryBreakupModel")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, binaryBreakupModel, dictionary,(const populationBalanceModel &popBal, const dictionary &dict),(popBal, dict))

	binaryBreakupModel (const populationBalanceModel &popBal, const dictionary &dict)

autoPtr< binaryBreakupModel >	clone () const

virtual	~binaryBreakupModel ()
	Destructor. More...

Public Member Functions inherited from LiaoBase
	LiaoBase (const populationBalanceModel &popBal, const dictionary &dict)

virtual	~LiaoBase ()
	Destructor. More...

Additional Inherited Members
Static Public Member Functions inherited from binaryBreakupModel
static autoPtr< binaryBreakupModel >	New (const word &type, const populationBalanceModel &popBal, const dictionary &dict)

Protected Attributes inherited from binaryBreakupModel
const populationBalanceModel &	popBal_
	Reference to the populationBalanceModel. More...

Protected Attributes inherited from LiaoBase
const populationBalanceModel &	populationBalance_
	Reference to the populationBalanceModel. More...

volScalarField	kolmogorovLengthScale_
	Kolmogorov length scale. More...

volScalarField	shearStrainRate_
	Shear strain rate. More...

volScalarField	eddyStrainRate_
	Eddy strain rate. More...

PtrList< dimensionedScalar >	uTerminal_
	Terminal velocities. More...

PtrList< dimensionedScalar >	Cd_
	Drag coefficients. More...

Detailed Description

Bubble breakup model of Liao et al. (2015). The terminal velocities and drag coefficients are computed by an iterative procedure based on the drag model of Ishii and Zuber (1979) at the beginning of the simulation, assuming single bubbles rising in quiescent liquid.

References:

    Liao, Y.; Rzehak, R.; Lucas, D.; Krepper, E. (2015).
    Baseline closure models for dispersed bubbly flow: Bubble coalescence
    and breakup.
    Chemical Engineering Science, 122, 336-349.

    Ishii, M., & Zuber, N. (1979).
    Drag coefficient and relative velocity in bubbly, droplet or particulate
    flows.
    AIChE Journal, 25(5), 843-855.

Usage

Property	Description	Required	Default value
`BTurb`	coefficient BTurb	no	1.0
`BShear`	coefficient Bbuoy	no	1.0
`BEddy`	coefficient BEddy	no	1.0
`BFric`	coefficient Bwake	no	1.0
`turbulence`	Switch for turbulence	yes	none
`laminarShear`	Switch for laminar shear	yes	none
`turbulentShear`	Switch for eddies	yes	none
`friction`	Switch for friction	yes	none

Source files

Definition at line 127 of file Liao.H.

Constructor & Destructor Documentation

◆ Liao()

Liao	(	const populationBalanceModel &	popBal,
		const dictionary &	dict
	)

◆ ~Liao()

virtual ~Liao ( )

inlinevirtual

Destructor.

Definition at line 174 of file Liao.H.

References Liao::addToBinaryBreakupRate(), and Liao::precompute().

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Member Function Documentation

◆ TypeName()

TypeName ( "Liao" )

Runtime type information.

◆ precompute()

virtual void precompute ( )

virtual

Precompute diameter independent expressions.

Reimplemented from binaryBreakupModel.

Referenced by Liao::~Liao().

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◆ addToBinaryBreakupRate()

virtual void addToBinaryBreakupRate	(	volScalarField &	binaryBreakupRate,
		const label	i,
		const label	j
	)

virtual

Add to binary breakupRate.

Implements binaryBreakupModel.