Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe

Information

Helical pipe

Laminar flow

Calculation of the mean convective heat transfer coefficient kc for a helical pipe in the laminar flow regime. See more information.

Turbulent flow

Calculation of the mean convective heat transfer coefficient kc of a helical pipe for turbulent flow regime. See more information.

Overall flow

Calculation of the mean convective heat transfer coefficient kc of a helical pipe in a hydrodynamically developed laminar and turbulent flow regime. See more information.

Extends from Modelica.Icons.VariantsPackage (Icon for package containing variants).

Package Content

Name Description
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar kc_laminar Mean heat transfer coefficient of helical pipe | laminar flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_KC kc_laminar_KC Mean heat transfer coefficient of helical pipe | hydrodynamically developed laminar flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_con kc_laminar_IN_con Input record for function kc_laminar and kc_laminar_KC
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_var kc_laminar_IN_var Input record for function kc_laminar and kc_laminar_KC
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall kc_overall Mean heat transfer coefficient of helical pipe | overall flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_KC kc_overall_KC Mean heat transfer coefficient of helical pipe | overall flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_con kc_overall_IN_con Input record for function kc_overall and kc_overall_KC
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_var kc_overall_IN_var Input record for function kc_overall and kc_overall_KC
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent kc_turbulent Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_KC kc_turbulent_KC Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_con kc_turbulent_IN_con Input record for function kc_turbulent and kc_turbulent_KC
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_var kc_turbulent_IN_var Input record for function kc_turbulent and kc_turbulent_KC

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar

Mean heat transfer coefficient of helical pipe | laminar flow regime

Information

Calculation of the mean convective heat transfer coefficient kc for a helical pipe in the laminar flow regime. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_laminar
Variable inputs
IN_varInput record for function kc_laminar

Outputs

NameDescription
Output
kcConvective heat transfer coefficient [W/(m2.K)]
PrPrandtl number [1]
ReReynolds number [1]
NuNusselt number [1]
failureStatus0== boundary conditions fulfilled | 1== failure >> check if still meaningful results

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_KC Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_KC

Mean heat transfer coefficient of helical pipe | hydrodynamically developed laminar flow regime

Information

Calculation of the mean convective heat transfer coefficient kc for a helical pipe in the laminar flow regime. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_laminar_KC
Variable inputs
IN_varInput record for function kc_laminar_KC

Outputs

NameDescription
kcOutput for function kc_laminar_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_con Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_con

Input record for function kc_laminar and kc_laminar_KC

Information

This record is used as input record for the heat transfer function kc_laminar and kc_laminar_KC.

Extends from Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_con (Input record for function kc_overall and kc_overall_KC).

Parameters

NameDescription
HelicalPipe
n_ntTotal number of turns
d_hydHydraulic diameter [m]
hDistance between turns [m]
LTotal length of helical pipe [m]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_var Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_var

Input record for function kc_laminar and kc_laminar_KC

Information

This record is used as input record for the heat transfer function kc_laminar and kc_laminar_KC.

Extends from Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_var (Input record for function kc_overall and kc_overall_KC).

Parameters

NameDescription
Fluid properties
cpSpecific heat capacity of fluid at constant pressure [J/(kg.K)]
etaDynamic viscosity of fluid [Pa.s]
lambdaThermal conductivity of fluid [W/(m.K)]
rhoDensity of fluid [kg/m3]
Input
m_flow[kg/s]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall

Mean heat transfer coefficient of helical pipe | overall flow regime

Information

Calculation of the mean convective heat transfer coefficient kc of a helical pipe in a hydrodynamically developed laminar and turbulent flow regime. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_overall
Variable inputs
IN_varInput record for function kc_overall

Outputs

NameDescription
Output
kcConvective heat transfer coefficient [W/(m2.K)]
PrPrandtl number [1]
ReReynolds number [1]
NuNusselt number [1]
failureStatus0== boundary conditions fulfilled | 1== failure >> check if still meaningful results

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_KC Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_KC

Mean heat transfer coefficient of helical pipe | overall flow regime

Information

Calculation of the mean convective heat transfer coefficient kc of a helical pipe in a hydrodynamically developed laminar and turbulent flow regime. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_overall_KC
Variable inputs
IN_varInput record for function kc_overall_KC

Outputs

NameDescription
kcOutput for function kc_overall_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_con Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_con

Input record for function kc_overall and kc_overall_KC

Information

This record is used as input record for the heat transfer function kc_overall and kc_overall_KC.

Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.HelicalPipe (Input for helical pipe).

Parameters

NameDescription
HelicalPipe
n_ntTotal number of turns
d_hydHydraulic diameter [m]
hDistance between turns [m]
LTotal length of helical pipe [m]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_var Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_var

Input record for function kc_overall and kc_overall_KC

Information

This record is used as input record for the heat transfer function kc_overall and kc_overall_KC.

Extends from Modelica.Fluid.Dissipation.Utilities.Records.General.FluidProperties (Base record for fluid properties).

Parameters

NameDescription
Fluid properties
cpSpecific heat capacity of fluid at constant pressure [J/(kg.K)]
etaDynamic viscosity of fluid [Pa.s]
lambdaThermal conductivity of fluid [W/(m.K)]
rhoDensity of fluid [kg/m3]
Input
m_flow[kg/s]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent

Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime

Information

Calculation of the mean convective heat transfer coefficient kc of a helical pipe for turbulent flow regime. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_turbulent
Variable inputs
IN_varInput record for function kc_turbulent

Outputs

NameDescription
Output
kcConvective heat transfer coefficient [W/(m2.K)]
PrPrandtl number [1]
ReReynolds number [1]
NuNusselt number [1]
failureStatus0== boundary conditions fulfilled | 1== failure >> check if still meaningful results

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_KC Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_KC

Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime

Information

Calculation of the mean convective heat transfer coefficient kc of a helical pipe for turbulent flow regime. See more information .

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

NameDescription
Constant inputs
IN_conInput record for function kc_turbulent_KC
Variable inputs
IN_varInput record for function kc_turbulent_KC

Outputs

NameDescription
kcOutput for function kc_turbulent_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_con Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_con

Input record for function kc_turbulent and kc_turbulent_KC

Information

This record is used as input record for the heat transfer function kc_turbulent and kc_turbulent_KC.

Extends from Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_con (Input record for function kc_overall and kc_overall_KC).

Parameters

NameDescription
HelicalPipe
n_ntTotal number of turns
d_hydHydraulic diameter [m]
hDistance between turns [m]
LTotal length of helical pipe [m]

Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_var Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_var

Input record for function kc_turbulent and kc_turbulent_KC

Information

This record is used as input record for the heat transfer function kc_turbulent and kc_turbulent_KC.

Extends from Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_var (Input record for function kc_overall and kc_overall_KC).

Parameters

NameDescription
Fluid properties
cpSpecific heat capacity of fluid at constant pressure [J/(kg.K)]
etaDynamic viscosity of fluid [Pa.s]
lambdaThermal conductivity of fluid [W/(m.K)]
rhoDensity of fluid [kg/m3]
Input
m_flow[kg/s]
Automatically generated Thu Dec 19 17:20:11 2019.