modelThermalInsulation_static_3ways_2layer
Thermal Insulation - static - 3 ways - 2 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 with static heat transfer, 3 heat flow paths (top, sides and bottom) and 2 material layers.
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
| Type | Name | Default | Description |
|---|---|---|---|
| Fundamental Definitions | |||
| Integer | N_cv (from ThermalInsulation_base) | 10 | Number of axial control volumes |
| Geometry | |||
| Integer | N_iso (from ThermalInsulation_base) | 3 | Number of lateral insulation discretisation for each layer |
| SI.Length | length (from ThermalInsulation_base) | 1 | Length of Insulation |
| SI.Length | circumference (from ThermalInsulation_base) | 1 | Circumference of Insulation |
| SI.Length | thickness_top_L1 | 1 | Thickness of Insulation |
| SI.Length | thickness_top_L2 | 1 | Thickness of Insulation |
| SI.Length | thickness_sides_L1 | 1 | Thickness of Insulation |
| SI.Length | thickness_sides_L2 | 1 | Thickness of Insulation |
| SI.Length | thickness_bottom_L1 | 1 | Thickness of Insulation |
| SI.Length | thickness_bottom_L2 | 1 | Thickness of Insulation |
| Real | topPart | 1/3 | Relative partition of top Insulation on Circumference |
| Real | sidesPart | 1/3 | Relative partition of sides Insulation on Circumference |
| Real | bottomPart | 1/3 | Relative partition of bottom Insulation on Circumference |
| Heat Transfer | |||
| SI.CoefficientOfHeatTransfer | alpha_iso2ambient_top | 20 | Isolation Surface to Air Heat Transfer Coefficient at top |
| SI.CoefficientOfHeatTransfer | alpha_iso2ambient_sides | 20 | Isolation Surface to Air Heat Transfer Coefficient at sides |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.HeatPort_a | heat (from ThermalInsulation_base) |
Components
Contents
| Name | Description |
|---|---|
| medium_top_L1 | |
| medium_top_L2 | |
| medium_sides_L1 | |
| medium_sides_L2 | |
| medium_bottom_L1 | |
| medium_bottom_L2 |