Modelica.Fluid.Dissipation.HeatTransfer.Channel

Information

Even gap

Laminar flow

Calculation of the mean convective heat transfer coefficient kc for a laminar fluid flow through an even gap at different fluid flow and heat transfer situations. See more information.

Turbulent flow

Calculation of the mean convective heat transfer coefficient kc for a laminar fluid flow through an even gap at different fluid flow and heat transfer situations. See more information.

Overall flow

Calculation of the mean convective heat transfer coefficient kc for a laminar fluid flow through an even gap at different fluid flow and heat transfer situations. See more information.

Package Content

Name	Description
kc_evenGapLaminar	Mean heat transfer coefficient of even gap | laminar flow regime | considering boundary layer development | heat transfer at ONE or BOTH sides | identical and constant wall temperatures
kc_evenGapLaminar_KC	Mean heat transfer coefficient of even gap | laminar flow regime | considering boundary layer development | heat transfer at ONE or BOTH sides | identical and constant wall temperatures
kc_evenGapLaminar_IN_con	Input record for function kc_evenGapLaminar and kc_evenGapLaminar_KC
kc_evenGapLaminar_IN_var	Input record for function kc_evenGapLaminar and kc_evenGapLaminar_KC
kc_evenGapOverall	Mean heat transfer coefficient of even gap | overall flow regime | considering boundary layer development | heat transfer at ONE or BOTH sides | identical and constant wall temperatures | surface roughness
kc_evenGapOverall_KC	Mean heat transfer coefficient of even gap | overall flow regime | considering boundary layer development | heat transfer at ONE or BOTH sides | identical and constant wall temperatures | surface roughness
kc_evenGapOverall_IN_con	Input record for function kc_evenGapOverall and kc_evenGapOverall_KC
kc_evenGapOverall_IN_var	Input record for function kc_evenGapOverall and kc_evenGapOverall_KC
kc_evenGapTurbulent	Mean heat transfer coefficient of even gap | turbulent flow regime | developed fluid flow | heat transfer at BOTH sides | identical and constant wall temperatures
kc_evenGapTurbulent_KC	Mean heat transfer coefficient of even gap | turbulent flow regime | developed fluid flow | heat transfer at BOTH sides | identical and constant wall temperatures
kc_evenGapTurbulent_IN_con	Input record for function kc_evenGapTurbulent and kc_evenGapTurbulent_KC
kc_evenGapTurbulent_IN_var	Input record for function kc_evenGapTurbulent and kc_evenGapTurbulent_KC

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar

Information

Calculation of the mean convective heat transfer coefficient kc for a laminar fluid flow through an even gap at different fluid flow and heat transfer situations. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapLaminar
Variable inputs
IN_var	Input record for function kc_evenGapLaminar

Outputs

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.Channel.kc_evenGapLaminar_KC

Information

Calculation of the mean convective heat transfer coefficient kc for a laminar fluid flow through an even gap at different fluid flow and heat transfer situations. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapLaminar_KC
Variable inputs
IN_var	Input record for function kc_evenGapLaminar_KC

Outputs

Name	Description
kc	Output for function kc_evenGapLaminar_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con

Information

This record is used as input record for the heat transfer function kc_evenGapLaminar and kc_evenGapLaminar_KC.

Parameters

Name	Description
Even gap
target	Target variable of calculation
h	Height of cross sectional area [m]
s	Distance between parallel plates in cross sectional area [m]
L	Overflowed length of gap [m]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var

Information

This record is used as input record for the heat transfer function kc_evenGapLaminar and kc_evenGapLaminar_KC.

Parameters

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.Channel.kc_evenGapOverall

Information

Calculation of the mean convective heat transfer coefficient kc for an overall fluid flow through an even gap at different fluid flow and heat transfer situations. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapOverall
Variable inputs
IN_var	Input record for function kc_evenGapOverall

Outputs

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.Channel.kc_evenGapOverall_KC

Information

Calculation of the mean convective heat transfer coefficient kc for an overall fluid flow through an even gap at different fluid flow and heat transfer situations. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapOverall_KC
Variable inputs
IN_var	Input record for function kc_evenGapOverall_KC

Outputs

Name	Description
kc	Output for function kc_evenGapOverall_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con

Information

Parameters

Name	Description
Even gap
target	Target variable of calculation
h	Height of cross sectional area [m]
s	Distance between parallel plates in cross sectional area [m]
L	Overflowed length of gap [m]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var

Information

Parameters

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.Channel.kc_evenGapTurbulent

Information

Calculation of the mean convective heat transfer coefficient kc for a developed turbulent fluid flow through an even gap at heat transfer from both sides. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapTurbulent
Variable inputs
IN_var	Input record for function kc_evenGapTurbulent

Outputs

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.Channel.kc_evenGapTurbulent_KC

Information

Calculation of the mean convective heat transfer coefficient kc for a developed turbulent fluid flow through an even gap at heat transfer from both sides. See more information.

Inputs

Name	Description
Constant inputs
IN_con	Input record for function kc_evenGapTurbulent_KC
Variable inputs
IN_var	Input record for function kc_evenGapTurbulent_KC

Outputs

Name	Description
kc	Output for function kc_evenGapTurbulent_KC [W/(m2.K)]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_con

Information

This record is used as input record for the heat transfer function kc_evenGapTurbulent and kc_evenGapTurbulent_KC.

Parameters

Name	Description
Even gap
target	Target variable of calculation
h	Height of cross sectional area [m]
s	Distance between parallel plates in cross sectional area [m]
L	Overflowed length of gap [m]

Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_var

Information

This record is used as input record for the heat transfer function kc_evenGapTurbulent and kc_evenGapTurbulent_KC.

Parameters

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]