modelThermalInsulation_static_1way_1layer

Thermal Insulation - static - one way - one layer

Extends from ClaRa.Basics.Icons.WallThick, TransiEnt.Components.Heat.ThermalInsulation.Basics.ThermalInsulation_base (Partial Model for thermal Insulation).

Information

1. Purpose of model

Model for thermal insulation to the environment if static heat transfer, 1 heat flow path and 1 material layer is considered

2. Level of detail, physical effects considered, and physical insight

  • L4 discretization in axial direction
  • lateral static heat transfer

3. Limits of validity

  • constant insulation thickness in axial direction
  • constant insulation surface in lateral direction

4. Interfaces

(none)

5. Nomenclature

(no elements)

6. Governing Equations

(no equations)

7. Remarks for Usage

(none)

8. Validation

(no validation or testing necessary)

9. References

(none)

10. Version History

Model created by Michael von der Heyde (heyde@tuhh.de) for the Research Project "Future Energy Solution" (FES), 2020

Parameters

TypeNameDefaultDescription
Fundamental Definitions
IntegerN_cv (from ThermalInsulation_base)10Number of axial control volumes
Geometry
IntegerN_iso (from ThermalInsulation_base)3Number of lateral insulation discretisation for each layer
SI.Lengthlength (from ThermalInsulation_base)1Length of Insulation
SI.Lengthcircumference (from ThermalInsulation_base)1Circumference of Insulation
SI.Lengththickness1Thickness
Heat Transfer
SI.CoefficientOfHeatTransferalpha_iso2ambient20Insulation Surface to Air Heat Transfer Coefficient

Connectors

TypeNameDefaultDescription
ClaRa.Basics.Interfaces.HeatPort_aheat (from ThermalInsulation_base)

Components

TypeNameDefaultDescription
ClaRa.SimCentersimCenter (from ThermalInsulation_base)
Modelica.Thermal.HeatTransfer.Sources.PrescribedTemperatureenvironment
Modelica.Blocks.Sources.RealExpressionrealExpression
ClaRa.Components.Adapters.Scalar2VectorHeatPortscalar2VectorHeatPort
Summarysummary
TransiEnt.Components.Heat.ThermalInsulation.Basics.Conduction_L4conduction
TransiEnt.Components.Heat.ThermalInsulation.Basics.Convection_L4convection
SI.TemperatureT_outersimCenter.T_amb

Contents

NameDescription
medium