Steam Jet tutorial
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At what point do you get this error? Based upon your limited description I would guess your error comes when trying step 29.4.2. If that is the case, your probably do not have automatic generation of the default domain activated. When you start CFX-Pre after creating new case, do you get the following message?
If not, then do the opposite and turn it on. Hopefully that solves your problem.
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HI Riccardo:
I doubt that the solver would fail that way for a license issue. It seems more likely that something in the setup isn't defined or working.
The liquid saturation pressure is also defined by an additional variable, so if this additional variable isn't activated in the domain for the Liquid, psaturation may not defined.
FLOW: Flow Analysis 1
&replace DOMAIN: Domain 1
Coord Frame = Coord 0
Domain Type = Fluid
Location = B26
BOUNDARY: Domain 1 Default
Boundary Type = WALL
Create Other Side = Off
Interface Boundary = Off
Location = F32.26,F33.26
BOUNDARY CONDITIONS:
HEAT TRANSFER:
Option = Adiabatic
END
MASS AND MOMENTUM:
Option = Fluid Dependent
END
WALL CONTACT MODEL:
Option = Use Volume Fraction
END
WALL ROUGHNESS:
Option = Smooth Wall
END
END
FLUID: Gas
BOUNDARY CONDITIONS:
MASS AND MOMENTUM:
Option = No Slip Wall
END
END
END
FLUID: Liquid
BOUNDARY CONDITIONS:
MASS AND MOMENTUM:
Option = No Slip Wall
END
END
END
END
BOUNDARY: Gas Inlet
Boundary Type = INLET
Location = gas inlet
BOUNDARY CONDITIONS:
FLOW REGIME:
Option = Subsonic
END
HEAT TRANSFER:
Option = Static Temperature
Static Temperature = 373 [K]
END
MASS AND MOMENTUM:
Normal Speed = 341 [m s^-1]
Option = Normal Speed
END
TURBULENCE:
Option = Fluid Dependent
END
END
FLUID: Gas
BOUNDARY CONDITIONS:
COMPONENT: Steam3v
Mass Fraction = 1
Option = Mass Fraction
END
TURBULENCE:
Option = Low Intensity and Eddy Viscosity Ratio
END
VOLUME FRACTION:
Option = Value
Volume Fraction = 1-0.45*0.4/1000
END
END
END
FLUID: Liquid
BOUNDARY CONDITIONS:
VOLUME FRACTION:
Option = Value
Volume Fraction = 0.45*0.4/1000
END
END
END
END
BOUNDARY: Opening
Boundary Type = OPENING
Location = air inlet,outer edge,outlet
BOUNDARY CONDITIONS:
FLOW DIRECTION:
Option = Normal to Boundary Condition
END
FLOW REGIME:
Option = Subsonic
END
HEAT TRANSFER:
Opening Temperature = 25 [C]
Option = Opening Temperature
END
MASS AND MOMENTUM:
Option = Opening Pressure and Direction
Relative Pressure = 0 [Pa]
END
TURBULENCE:
Option = Medium Intensity and Eddy Viscosity Ratio
END
END
FLUID: Gas
BOUNDARY CONDITIONS:
COMPONENT: Steam3v
Mass Fraction = 0.0
Option = Mass Fraction
END
VOLUME FRACTION:
Option = Value
Volume Fraction = 1
END
END
END
FLUID: Liquid
BOUNDARY CONDITIONS:
VOLUME FRACTION:
Option = Value
Volume Fraction = 0
END
END
END
END
BOUNDARY: SymP1
Boundary Type = SYMMETRY
Location = F29.26
END
BOUNDARY: SymP2
Boundary Type = SYMMETRY
Location = F27.26
END
DOMAIN MODELS:
BUOYANCY MODEL:
Option = Non Buoyant
END
DOMAIN MOTION:
Option = Stationary
END
MESH DEFORMATION:
Option = None
END
REFERENCE PRESSURE:
Reference Pressure = 1 [atm]
END
END
FLUID DEFINITION: Gas
Material = Gas Mixture
Option = Material Library
MORPHOLOGY:
Option = Continuous Fluid
END
END
FLUID DEFINITION: Liquid
Material = Liquid
Option = Material Library
MORPHOLOGY:
Mean Diameter = liqLength
Option = Dispersed Fluid
END
END
FLUID MODELS:
ADDITIONAL VARIABLE: FalseDt
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: PCoef
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: SatLheat
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: SatPres
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: SatTemp
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: WaFluxGL
Option = Fluid Dependent
END
ADDITIONAL VARIABLE: WaFluxLG
Option = Fluid Dependent
END
COMBUSTION MODEL:
Option = None
END
FLUID: Gas
ADDITIONAL VARIABLE: PCoef
Additional Variable Value = dFLUXwadp
Option = Algebraic Equation
END
COMPONENT: Air Ideal Gas
Option = Constraint
END
COMPONENT: Steam3v
Kinematic Diffusivity = KinDiff
Option = Transport Equation
END
HEAT TRANSFER MODEL:
Include Viscous Work Term = True
Option = Total Energy
END
TURBULENCE MODEL:
Option = k epsilon
END
TURBULENT WALL FUNCTIONS:
High Speed Model = Off
Option = Scalable
END
END
FLUID: Liquid
ADDITIONAL VARIABLE: FalseDt
Additional Variable Value = DtFalseMf
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: PCoef
Additional Variable Value = dFLUXwadp
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: SatLheat
Additional Variable Value = HtVapwa
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: SatPres
Additional Variable Value = VpWat
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: SatTemp
Additional Variable Value = SatT
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: WaFluxGL
Additional Variable Value = FLUXwa1
Option = Algebraic Equation
END
ADDITIONAL VARIABLE: WaFluxLG
Additional Variable Value = FLUXwa2
Option = Algebraic Equation
END
HEAT TRANSFER MODEL:
Include Viscous Work Term = True
Option = Total Energy
END
TURBULENCE MODEL:
Option = Dispersed Phase Zero Equation
END
END
HEAT TRANSFER MODEL:
Homogeneous Model = False
Option = Fluid Dependent
END
THERMAL RADIATION MODEL:
Option = None
END
TURBULENCE MODEL:
Homogeneous Model = False
Option = Fluid Dependent
END
END
FLUID PAIR: Gas | Liquid
Surface Tension Coefficient = srfTenCoef
INTERPHASE HEAT TRANSFER:
Option = Ranz Marshall
END
INTERPHASE TRANSFER MODEL:
Option = Particle Model
END
MASS TRANSFER:
Option = None
END
MOMENTUM TRANSFER:
DRAG FORCE:
Option = Schiller Naumann
END
LIFT FORCE:
Option = None
END
TURBULENT DISPERSION FORCE:
Option = None
END
VIRTUAL MASS FORCE:
Option = None
END
WALL LUBRICATION FORCE:
Option = None
END
END
TURBULENCE TRANSFER:
ENHANCED TURBULENCE PRODUCTION MODEL:
Option = None
END
END
END
MULTIPHASE MODELS:
Homogeneous Model = False
FREE SURFACE MODEL:
Option = None
END
END
SUBDOMAIN: Gas2Liq
Coord Frame = Coord 0
Location = B26
FLUID: Gas
SOURCES:
EQUATION SOURCE: Steam3v.mf
Option = Source
Source = 0 [kg m^-3 s^-1]
Source Coefficient = dFLwadYG
END
EQUATION SOURCE: continuity
Mass Source Volume Fraction Coefficient = -Gas.density/DtFalseMf
Option = Fluid Mass Source
Sink Option = Specified Mass Fractions and Local Temperature
Source = -Liquid.WaFluxGL
VARIABLE: Steam3v.mf
Option = Value
Value = 1 []
END
VARIABLE: T
Option = Value
Value = Gas.T
END
VARIABLE: ed
Option = Value
Value = Gas.ed
END
VARIABLE: ke
Option = Value
Value = Gas.ke
END
VARIABLE: vel
Option = Cartesian Vector Components
xValue = Gas.Velocity u
yValue = Gas.Velocity v
zValue = Gas.Velocity w
END
END
END
END
FLUID: Liquid
SOURCES:
EQUATION SOURCE: continuity
Mass Source Volume Fraction Coefficient = -Liquid.density/DtFalseMf
Option = Fluid Mass Source
Source = Liquid.WaFluxGL
VARIABLE: T
Option = Value
Value = Gas.T
END
VARIABLE: vel
Option = Cartesian Vector Components
xValue = Gas.Velocity u
yValue = Gas.Velocity v
zValue = Gas.Velocity w
END
END
EQUATION SOURCE: energy
Option = Source
Source = Liquid.WaFluxGL*HtVapwa
Source Coefficient = Liquid.vf*Liquid.density*Liquid.Cp/DtFalseMf
END
END
END
END
SUBDOMAIN: Liq2Gas
Coord Frame = Coord 0
Location = B26
FLUID: Liquid
SOURCES:
EQUATION SOURCE: continuity
Option = Fluid Mass Source
Sink Option = Specified Mass Fractions and Local Temperature
Source = -Liquid.WaFluxLG
VARIABLE: T
Option = Value
Value = SatT
END
VARIABLE: vel
Option = Cartesian Vector Components
xValue = 0 [m s^-1]
yValue = 0 [m s^-1]
zValue = 0 [m s^-1]
END
END
EQUATION SOURCE: energy
Option = Source
Source = -Liquid.WaFluxLG*HtVapwa
Source Coefficient = -Liquid.vf*Liquid.density*Liquid.Cp/DtFalseMf
END
END
END
END
END
END
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