Calculation of the mean convective heat transfer coefficient kc for a helical pipe in the laminar flow regime. See more information.
Calculation of the mean convective heat transfer coefficient kc of a helical pipe for turbulent flow regime. See more 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.VariantsPackage (Icon for package containing variants).
Name | Description |
---|---|
kc_laminar | Mean heat transfer coefficient of helical pipe | laminar flow regime |
kc_laminar_KC | Mean heat transfer coefficient of helical pipe | hydrodynamically developed laminar flow regime |
kc_laminar_IN_con | Input record for function kc_laminar and kc_laminar_KC |
kc_laminar_IN_var | Input record for function kc_laminar and kc_laminar_KC |
kc_overall | Mean heat transfer coefficient of helical pipe | overall flow regime |
kc_overall_KC | Mean heat transfer coefficient of helical pipe | overall flow regime |
kc_overall_IN_con | Input record for function kc_overall and kc_overall_KC |
kc_overall_IN_var | Input record for function kc_overall and kc_overall_KC |
kc_turbulent | Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime |
kc_turbulent_KC | Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime |
kc_turbulent_IN_con | Input record for function kc_turbulent and kc_turbulent_KC |
kc_turbulent_IN_var | Input record for function kc_turbulent and kc_turbulent_KC |
Mean heat transfer coefficient of helical pipe | laminar flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_laminar |
Variable inputs | |
IN_var | Input record for function kc_laminar |
Name | Description |
---|---|
Output | |
kc | Convective heat transfer coefficient [W/(m2.K)] |
Pr | Prandtl number [1] |
Re | Reynolds number [1] |
Nu | Nusselt number [1] |
failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Mean heat transfer coefficient of helical pipe | hydrodynamically developed laminar flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_laminar_KC |
Variable inputs | |
IN_var | Input record for function kc_laminar_KC |
Name | Description |
---|---|
kc | Output for function kc_laminar_KC [W/(m2.K)] |
Input record for 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).
Name | Description |
---|---|
HelicalPipe | |
n_nt | Total number of turns |
d_hyd | Hydraulic diameter [m] |
h | Distance between turns [m] |
L | Total length of helical pipe [m] |
Input record for 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).
Name | Description |
---|---|
Fluid properties | |
cp | Specific heat capacity of fluid at constant pressure [J/(kg.K)] |
eta | Dynamic viscosity of fluid [Pa.s] |
lambda | Thermal conductivity of fluid [W/(m.K)] |
rho | Density of fluid [kg/m3] |
Input | |
m_flow | [kg/s] |
Mean heat transfer coefficient of helical pipe | overall flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_overall |
Variable inputs | |
IN_var | Input record for function kc_overall |
Name | Description |
---|---|
Output | |
kc | Convective heat transfer coefficient [W/(m2.K)] |
Pr | Prandtl number [1] |
Re | Reynolds number [1] |
Nu | Nusselt number [1] |
failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Mean heat transfer coefficient of helical pipe | overall flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_overall_KC |
Variable inputs | |
IN_var | Input record for function kc_overall_KC |
Name | Description |
---|---|
kc | Output for function kc_overall_KC [W/(m2.K)] |
Input record for function kc_overall and kc_overall_KC
Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.HelicalPipe (Input for helical pipe).
Name | Description |
---|---|
HelicalPipe | |
n_nt | Total number of turns |
d_hyd | Hydraulic diameter [m] |
h | Distance between turns [m] |
L | Total length of helical pipe [m] |
Input record for function kc_overall and kc_overall_KC
Extends from Modelica.Fluid.Dissipation.Utilities.Records.General.FluidProperties (Base record for fluid properties).
Name | Description |
---|---|
Fluid properties | |
cp | Specific heat capacity of fluid at constant pressure [J/(kg.K)] |
eta | Dynamic viscosity of fluid [Pa.s] |
lambda | Thermal conductivity of fluid [W/(m.K)] |
rho | Density of fluid [kg/m3] |
Input | |
m_flow | [kg/s] |
Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_turbulent |
Variable inputs | |
IN_var | Input record for function kc_turbulent |
Name | Description |
---|---|
Output | |
kc | Convective heat transfer coefficient [W/(m2.K)] |
Pr | Prandtl number [1] |
Re | Reynolds number [1] |
Nu | Nusselt number [1] |
failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime
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).
Name | Description |
---|---|
Constant inputs | |
IN_con | Input record for function kc_turbulent_KC |
Variable inputs | |
IN_var | Input record for function kc_turbulent_KC |
Name | Description |
---|---|
kc | Output for function kc_turbulent_KC [W/(m2.K)] |
Input record for 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).
Name | Description |
---|---|
HelicalPipe | |
n_nt | Total number of turns |
d_hyd | Hydraulic diameter [m] |
h | Distance between turns [m] |
L | Total length of helical pipe [m] |
Input record for 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).
Name | Description |
---|---|
Fluid properties | |
cp | Specific heat capacity of fluid at constant pressure [J/(kg.K)] |
eta | Dynamic viscosity of fluid [Pa.s] |
lambda | Thermal conductivity of fluid [W/(m.K)] |
rho | Density of fluid [kg/m3] |
Input | |
m_flow | [kg/s] |