Package Modelica.Fluid.Pipes.BaseClasses.WallFriction.Detailed.InternalFunctions to calculate mass flow rate from friction pressure drop and vice versa
Package Modelica.Fluid.Pipes.BaseClasses.WallFriction.Detailed.Internal
This icon shall be used for a package that contains internal classes not to be directly utilized by a user.
Extends from Modelica.Icons.InternalPackage (Icon for an internal package (indicating that the package should not be directly utilized by user)).
| Name | Description |
|---|---|
dp_fric_of_m_flow | Calculate pressure drop due to friction as function of mass flow rate |
m_flow_of_dp_fric | Calculate mass flow rate as function of pressure drop due to friction |
Function Modelica.Fluid.Pipes.BaseClasses.WallFriction.Detailed.Internal.m_flow_of_dp_fric
This icon indicates Modelica functions.
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
Pressure | dp_fric | Pressure loss due to friction (dp = port_a.p - port_b.p) |
Density | rho_a | Density at port_a |
Density | rho_b | Density at port_b |
DynamicViscosity | mu_a | Dynamic viscosity at port_a (dummy if use_mu = false) |
DynamicViscosity | mu_b | Dynamic viscosity at port_b (dummy if use_mu = false) |
Length | length | Length of pipe |
Diameter | diameter | Inner (hydraulic) diameter of pipe |
Area | crossArea | Inner cross section area |
ReynoldsNumber | Re1 | Boundary between laminar regime and transition |
ReynoldsNumber | Re2 | Boundary between transition and turbulent regime |
Real | Delta | Relative roughness |
| Type | Name | Description |
|---|---|---|
MassFlowRate | m_flow | Mass flow rate from port_a to port_b |
Real | dm_flow_ddp_fric | Derivative of mass flow rate with dp_fric |
Function Modelica.Fluid.Pipes.BaseClasses.WallFriction.Detailed.Internal.dp_fric_of_m_flow
This icon indicates Modelica functions.
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
MassFlowRate | m_flow | Mass flow rate from port_a to port_b |
Density | rho_a | Density at port_a |
Density | rho_b | Density at port_b |
DynamicViscosity | mu_a | Dynamic viscosity at port_a (dummy if use_mu = false) |
DynamicViscosity | mu_b | Dynamic viscosity at port_b (dummy if use_mu = false) |
Length | length | Length of pipe |
Diameter | diameter | Inner (hydraulic) diameter of pipe |
Area | crossArea | Inner cross section area |
ReynoldsNumber | Re1 | Boundary between laminar regime and transition |
ReynoldsNumber | Re2 | Boundary between transition and turbulent regime |
Real | Delta | Relative roughness |
| Type | Name | Description |
|---|---|---|
Pressure | dp_fric | Pressure loss due to friction (dp_fric = port_a.p - port_b.p - dp_grav) |
Real | ddp_fric_dm_flow | Derivative of pressure drop with mass flow rate |