Package Modelica.Fluid.Dissipation.Utilities.Records.PressureLossIcon for package containing records
Package Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss
This icon indicates a package that contains records
Extends from Modelica.Icons.RecordsPackage (Icon for package containing records).
| Name | Description |
|---|---|
Bend | Input for bend |
Diffuser | Input for diffuser |
EdgedBend | Input for bend |
Geometry | Input for several geometries of internal flow |
Orifice | Input for orifice |
PressureLossInput | Input for pressure loss calculation |
StraightPipe | Input for straight pipe |
SuddenChange | Input for sudden change of diameter |
Tjunction | Input for T-junction |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.Bend
This icon is indicates a record.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.EdgedBend (Input for bend).
| Type | Name | Description |
|---|---|---|
Diameter | d_hyd | Hydraulic diameter |
Angle | delta | Angle of turning |
Length | K | Roughness (absolute average height of surface asperities) |
Radius | R_0 | Curvature radius |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.Geometry
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
GeometryOfInternalFlow | geometry | Choice of geometry for internal flow |
Length | K | Roughness (average height of surface asperities) |
Length | L | Length |
Diameter | d_ann | Small diameter |
Diameter | D_ann | Large diameter |
Diameter | d_cir | Internal diameter |
Length | a_ell | Half length of long base line |
Length | b_ell | Half length of short base line |
Length | a_rec | Horizontal length |
Length | b_rec | Vertical length |
Length | a_tri | Length of base line |
Length | h_tri | Height to top angle perpendicular to base line |
Angle | beta | Top angle |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.Orifice
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Area | A_0 | Cross sectional area of vena contraction |
Length | C_0 | Perimeter of vena contraction |
Area | A_1 | Large cross sectional area of orifice |
Length | C_1 | Large perimeter of orifice |
Length | L | Length of vena contraction |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.PressureLossInput
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
PressureLossTarget | target | Target variable of calculation |
Pressure | dp | Pressure loss |
MassFlowRate | m_flow | Mass flow rate |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.StraightPipe
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Diameter | d_hyd | Hydraulic diameter |
Length | L | Length |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.Tjunction
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Boolean | united_converging_crossection | true == A_cross_total = 2*A_cross_branch | false == A_cross_total > 2*A_cross_branch |
Boolean | velocity_reference_branches | true == pressure loss coefficients w.r.t. velocity in each passage | false == w.r.t. velocity in total passage |
Integer | alpha | Angle of branching |
Diameter | d_hyd[3] | Hydraulic diameter of passages [side,straight,total] |
MassFlowRate | m_flow_min | Restriction for smoothing at reverse fluid flow |
Velocity | v_max | Restriction for maximum fluid flow velocity |
Real | zeta_TOT_max | Restriction for maximum value of pressure loss coefficient |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.Diffuser
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Angle | alpha | Diffuser diverging angle |
Area | A_1 | Small constant cross sectional area before diffuser section |
Area | A_2 | Large constant cross sectional area after diffuser section |
Length | C_1 | Small perimeter before diffuser section |
Length | C_2 | Large perimeter after diffuser section |
Length | L_1 | Length of straight pipe before diffuser section |
Length | L_2 | Length of straight pipe after diffuser section |
Length | L_d | Length of diffuser section (parallel to bulk fluid flow) |
Pressure | dp_small | Linearisation for a pressure loss smaller then dp_small |
Real | zeta_TOT_min | Minimal pressure loss coefficient for infinite Reynolds number |
Real | zeta_TOT_max | Maximum pressure loss coefficient for Reynolds number approaching zero |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.EdgedBend
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Diameter | d_hyd | Hydraulic diameter |
Angle | delta | Angle of turning |
Length | K | Roughness (absolute average height of surface asperities) |
Record Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss.SuddenChange
This icon is indicates a record.
Extends from Modelica.Icons.Record (Icon for records).
| Type | Name | Description |
|---|---|---|
Area | A_1 | Small cross sectional area of orifice |
Area | A_2 | Large cross sectional area of orifice |
Length | C_1 | Small perimeter of orifice |
Length | C_2 | Large perimeter of orifice |