Package Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss
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Extends from Modelica.​Icons.​RecordsPackage (Icon for package containing records).

Package Contents

NameDescription
BendInput for bend
DiffuserInput for diffuser
EdgedBendInput for bend
GeometryInput for several geometries of internal flow
OrificeInput for orifice
PressureLossInputInput for pressure loss calculation
StraightPipeInput for straight pipe
SuddenChangeInput for sudden change of diameter
TjunctionInput for T-junction

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​Bend
Input for bend

Information

This icon is indicates a record.

Extends from Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​EdgedBend (Input for bend).

Fields

TypeNameDescription
Diameterd_hydHydraulic diameter
AngledeltaAngle of turning
LengthKRoughness (absolute average height of surface asperities)
RadiusR_0Curvature radius

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​Geometry
Input for several geometries of internal flow

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
GeometryOfInternalFlowgeometryChoice of geometry for internal flow
LengthKRoughness (average height of surface asperities)
LengthLLength
Diameterd_annSmall diameter
DiameterD_annLarge diameter
Diameterd_cirInternal diameter
Lengtha_ellHalf length of long base line
Lengthb_ellHalf length of short base line
Lengtha_recHorizontal length
Lengthb_recVertical length
Lengtha_triLength of base line
Lengthh_triHeight to top angle perpendicular to base line
AnglebetaTop angle

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​Orifice
Input for orifice

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
AreaA_0Cross sectional area of vena contraction
LengthC_0Perimeter of vena contraction
AreaA_1Large cross sectional area of orifice
LengthC_1Large perimeter of orifice
LengthLLength of vena contraction

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​PressureLossInput
Input for pressure loss calculation

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
PressureLossTargettargetTarget variable of calculation
PressuredpPressure loss
MassFlowRatem_flowMass flow rate

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​StraightPipe
Input for straight pipe

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
Diameterd_hydHydraulic diameter
LengthLLength

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​Tjunction
Input for T-junction

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
Booleanunited_converging_crossectiontrue == A_cross_total = 2*A_cross_branch | false == A_cross_total > 2*A_cross_branch
Booleanvelocity_reference_branchestrue == pressure loss coefficients w.r.t. velocity in each passage | false == w.r.t. velocity in total passage
IntegeralphaAngle of branching
Diameterd_hyd[3]Hydraulic diameter of passages [side,straight,total]
MassFlowRatem_flow_minRestriction for smoothing at reverse fluid flow
Velocityv_maxRestriction for maximum fluid flow velocity
Realzeta_TOT_maxRestriction for maximum value of pressure loss coefficient

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​Diffuser
Input for diffuser

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
AnglealphaDiffuser diverging angle
AreaA_1Small constant cross sectional area before diffuser section
AreaA_2Large constant cross sectional area after diffuser section
LengthC_1Small perimeter before diffuser section
LengthC_2Large perimeter after diffuser section
LengthL_1Length of straight pipe before diffuser section
LengthL_2Length of straight pipe after diffuser section
LengthL_dLength of diffuser section (parallel to bulk fluid flow)
Pressuredp_smallLinearisation for a pressure loss smaller then dp_small
Realzeta_TOT_minMinimal pressure loss coefficient for infinite Reynolds number
Realzeta_TOT_maxMaximum pressure loss coefficient for Reynolds number approaching zero

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​EdgedBend
Input for bend

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
Diameterd_hydHydraulic diameter
AngledeltaAngle of turning
LengthKRoughness (absolute average height of surface asperities)

Record Modelica.​Fluid.​Dissipation.​Utilities.​Records.​PressureLoss.​SuddenChange
Input for sudden change of diameter

Information

This icon is indicates a record.

Extends from Modelica.​Icons.​Record (Icon for records).

Fields

TypeNameDescription
AreaA_1Small cross sectional area of orifice
AreaA_2Large cross sectional area of orifice
LengthC_1Small perimeter of orifice
LengthC_2Large perimeter of orifice

Generated 2018-12-12 12:13:36 EST by MapleSim.