Modelica.Fluid.Vessels.BaseClasses.HeatTransfer

Information

Extends from Modelica.Icons.Package (Icon for standard packages).

Package Content

Name	Description
PartialVesselHeatTransfer	Base class for vessel heat transfer models
IdealHeatTransfer	IdealHeatTransfer: Ideal heat transfer without thermal resistance
ConstantHeatTransfer	ConstantHeatTransfer: Constant heat transfer coefficient

Modelica.Fluid.Vessels.BaseClasses.HeatTransfer.PartialVesselHeatTransfer

Information

Extends from Modelica.Fluid.Interfaces.PartialHeatTransfer (Common interface for heat transfer models).

Parameters

Type	Name	Default	Description
Ambient
CoefficientOfHeatTransfer	k	0	Heat transfer coefficient to ambient [W/(m2.K)]
Temperature	T_ambient	system.T_ambient	Ambient temperature [K]
Internal Interface
replaceable package Medium		PartialMedium	Medium in the component
Integer	n	1	Number of heat transfer segments
Boolean	use_k	false	= true to use k value for thermal isolation

Connectors

Type	Name	Description
HeatPorts_a	heatPorts[n]	Heat port to component boundary

Modelica definition

partial model PartialVesselHeatTransfer 
  "Base class for vessel heat transfer models"
  extends Modelica.Fluid.Interfaces.PartialHeatTransfer;

end PartialVesselHeatTransfer;

Modelica.Fluid.Vessels.BaseClasses.HeatTransfer.IdealHeatTransfer

Information

Extends from PartialVesselHeatTransfer (Base class for vessel heat transfer models).

Parameters

Type	Name	Default	Description
Ambient
CoefficientOfHeatTransfer	k	0	Heat transfer coefficient to ambient [W/(m2.K)]
Temperature	T_ambient	system.T_ambient	Ambient temperature [K]
Internal Interface
replaceable package Medium		PartialMedium	Medium in the component
Integer	n	1	Number of heat transfer segments
Boolean	use_k	false	= true to use k value for thermal isolation

Connectors

Type	Name	Description
HeatPorts_a	heatPorts[n]	Heat port to component boundary

Modelica definition

model IdealHeatTransfer 
  "IdealHeatTransfer: Ideal heat transfer without thermal resistance"
  extends PartialVesselHeatTransfer;

equation 
  Ts = heatPorts.T;

end IdealHeatTransfer;

Modelica.Fluid.Vessels.BaseClasses.HeatTransfer.ConstantHeatTransfer

Information

Extends from PartialVesselHeatTransfer (Base class for vessel heat transfer models).

Parameters

Type	Name	Default	Description
CoefficientOfHeatTransfer	alpha0		constant heat transfer coefficient [W/(m2.K)]
Ambient
CoefficientOfHeatTransfer	k	0	Heat transfer coefficient to ambient [W/(m2.K)]
Temperature	T_ambient	system.T_ambient	Ambient temperature [K]
Internal Interface
replaceable package Medium		PartialMedium	Medium in the component
Integer	n	1	Number of heat transfer segments
Boolean	use_k	false	= true to use k value for thermal isolation

Connectors

Type	Name	Description
HeatPorts_a	heatPorts[n]	Heat port to component boundary

Modelica definition

model ConstantHeatTransfer 
  "ConstantHeatTransfer: Constant heat transfer coefficient"
  extends PartialVesselHeatTransfer;
  parameter SI.CoefficientOfHeatTransfer alpha0 
    "constant heat transfer coefficient";

equation 
  Q_flows = {(alpha0+k)*surfaceAreas[i]*(heatPorts[i].T - Ts[i]) for i in 1:n};

end ConstantHeatTransfer;