Package Modelica.​Fluid.​Dissipation.​Utilities.​Types
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Extends from Modelica.​Icons.​TypesPackage (Icon for packages containing type definitions).

Package Contents

NameDescription
DarcyFrictionFactor 
FluidFlowRegime 
FrictionalResistanceCoefficient 
GeometryOfInternalFlow 
HeatTransferBoundary 
HTXGeometry_flatTubes 
HTXGeometry_roundTubes 
kc_evenGap 
kc_general 
LocalResistanceCoefficient 
MassOrVolumeFlowRate 
MolarMass_gpmol 
OrificeGeometry 
PressureLossCoefficient 
PressureLossTarget 
Roughness 
TwoPhaseFrictionalPressureLoss 
TwoPhaseHeatTransferTarget 
ValveCoefficient 
ValveGeometry 
VoidFractionApproach 

Type Modelica.​Fluid.​Dissipation.​Utilities.​Types.​DarcyFrictionFactor
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Extends from Modelica.​Icons.​TypeReal (Icon for Real types).

Attributes

NameValue
quantity"Darcy friction factor | lambda_fri = zeta_fri / (length/diameter)"
unit"1"
min0
max1111
start0.

Type Modelica.​Fluid.​Dissipation.​Utilities.​Types.​FrictionalResistanceCoefficient
Icon for Real types

Information

This icon is designed for a Real type.

Extends from Modelica.​Icons.​TypeReal (Icon for Real types).

Attributes

NameValue
quantity"Frictional resistance coefficient | zeta_fri"
unit"1"
min0
max1111
start0.

Type Modelica.​Fluid.​Dissipation.​Utilities.​Types.​LocalResistanceCoefficient
Icon for Real types

Information

This icon is designed for a Real type.

Extends from Modelica.​Icons.​TypeReal (Icon for Real types).

Attributes

NameValue
quantity"Local resistance coefficient | zeta_loc"
unit"1"
min0
max1111
start0.

Type Modelica.​Fluid.​Dissipation.​Utilities.​Types.​PressureLossCoefficient
Icon for Real types

Information

This icon is designed for a Real type.

Extends from Modelica.​Icons.​TypeReal (Icon for Real types).

Attributes

NameValue
quantity"Pressure loss coefficient | zeta_tot = zeta_loc + zeta_fri"
unit"1"
min0
max1111
start0.

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​TwoPhaseFrictionalPressureLoss

Literals

NameDescription
FriedelFriedel correlation for frictional pressure loss
ChisholmChisholm correlation for frictional pressure loss

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​Roughness

Literals

NameDescription
NeglectedNeglect surface roughness
ConsideredConsider surface roughness

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​TwoPhaseHeatTransferTarget

Literals

NameDescription
BoilHorBoiling horizontal
BoilVerBoiling vertical
CondHorCondensation horizontal

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​PressureLossTarget

Literals

NameDescription
PressureLossCalculate pressure loss from mass flow rate
MassFlowRateCalculate mass flow rate from pressure loss

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​GeometryOfInternalFlow

Literals

NameDescription
AnnularAnnular geometry
CircularCircular geometry
EllipticalElliptical geometry
RectangularRectangular geometry
IsoscelesIsosceles triangular geometry

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​kc_evenGap

Literals

NameDescription
DevOneHydrodynamically DEVELOPED laminar flow regime AND heat transfer at ONE side
DevBothHydrodynamically DEVELOPED laminar flow regime AND heat transfer at BOTH sides
UndevOneHydrodynamic and thermal START of laminar flow regime AND heat transfer at ONE side
UndevBothHydrodynamic and thermal START of laminar flow regime AND heat transfer at BOTH side

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​kc_general

Literals

NameDescription
RoughRoughest approximation w.r.t. Dittus/Boelter (1930)
MiddleMiddle approximation w.r.t. Sieder/Tate (1936)
FinestFinest approximation w.r.t. Gnielinski (1976)

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​HeatTransferBoundary

Literals

NameDescription
UWTuDFFUniform wall temperature in developed fluid flow (UWT+DFF)
UHFuDFFUniform heat flux in developed fluid flow (UHF+DFF)
UWTuUFFUniform wall temperature in undeveloped fluid flow (UWT+UFF)
UHFuUFFUniform heat flux in undeveloped fluid flow (UHF+UFF)

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​MassOrVolumeFlowRate

Literals

NameDescription
MassFlowRateMass flow rate
VolumeFlowRateVolume flow rate

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​VoidFractionApproach

Literals

NameDescription
HomogeneousHomogeneous approach
MomentumAnalytical momentum flux approach (heterogeneous)
EnergyKinetic energy flow approach w.r.t. Zivi (heterogeneous)
ChisholmEmpirical momentum flux approach w.r.t. Chisholm (heterogeneous)

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​OrificeGeometry

Literals

NameDescription
SharpEdgedSharp edged shape of orifice inlet
ThickEdgedThick edged shape of orifice inlet
TiltedEdgedTilted edged shape of orifice inlet
RoundedEdgedRounded edged shape of orifice inlet

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​ValveGeometry

Literals

NameDescription
BallBall valve
DiaphragmDiaphragm valve
ButterflyButterfly valve
GateGate valve
SluiceSluice valve

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​ValveCoefficient

Literals

NameDescription
AVAv (metric) flow coefficient
KVKv (metric) flow coefficient
CVCv (US) flow coefficient
OPAv defined by operating point

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​FluidFlowRegime

Literals

NameDescription
LaminarLaminar fluid flow regime
OverallOverall fluid flow regime
TurbulentTurbulent fluid flow regime

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​HTXGeometry_flatTubes

Literals

NameDescription
LouverFinLouver fin
RectangularFinRectangular offset strip fin

Enumeration Modelica.​Fluid.​Dissipation.​Utilities.​Types.​HTXGeometry_roundTubes

Literals

NameDescription
PlainFinPlain fin
LouverFinLouver fin
SlitFinSlit fin
WavyFinWavy fin (Herringbone wavy fin)

Type Modelica.​Fluid.​Dissipation.​Utilities.​Types.​MolarMass_gpmol

Extends from Real.

Attributes

NameValue
quantity"Molar mass"
unit"g/mol"
min-Modelica.Constants.inf
maxModelica.Constants.inf
start0.