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 |
|---|---|
| Mean heat transfer coefficient of helical pipe | laminar flow regime | |
| Mean heat transfer coefficient of helical pipe | hydrodynamically developed laminar flow regime | |
| Input record for function kc_laminar and kc_laminar_KC | |
| Input record for function kc_laminar and kc_laminar_KC | |
| Mean heat transfer coefficient of helical pipe | overall flow regime | |
| Mean heat transfer coefficient of helical pipe | overall flow regime | |
| Input record for function kc_overall and kc_overall_KC | |
| Input record for function kc_overall and kc_overall_KC | |
| Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime | |
| Mean heat transfer coefficient of helical pipe | hydrodynamically developed turbulent flow regime | |
| Input record for function kc_turbulent and kc_turbulent_KC | |
| Input record for function kc_turbulent and kc_turbulent_KC |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminarMean 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 |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_KCMean 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)] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_conInput 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] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_laminar_IN_varInput 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] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overallMean 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 |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_KCMean 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)] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_conInput 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] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_overall_IN_varInput 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] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulentMean 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 |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_KCMean 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)] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_conInput 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] |
Modelica.Fluid.Dissipation.HeatTransfer.HelicalPipe.kc_turbulent_IN_varInput 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] |