modelInfiltrationRate_DIN12831
Extends from Modelica.Thermal.HeatTransfer.Interfaces.Element1D.
Information
Overview
The InfiltrationRate model describes heat and mass transport by infiltration.
Concept
Air exchange coefficients at 50 Pa pressure difference between ambience and room air:
Dwelling type |
highly air tight |
medium air tight |
low air tight |
|
one-family dwelling |
< 4 |
4 - 10 |
> 10 |
|
multi-family dwelling/other |
< 2 |
2 - 5 |
> 5 |
Reference values for air shielding value e:
heated room withoutfacade with openings exposed to wind |
heated room withone facade with openings exposed to wind |
heated room with more thanone facade with openings exposed to wind |
|
|
no shielding |
0 |
0.03 |
0.05 |
|
moderate shielding |
0 |
0.02 |
0.03 |
|
well shielded |
0 |
0.01 |
0.02 |
Reference values for height correction value ε:
Height of room |
|
|
0 - 10 m |
1 |
|
10 - 30 m |
1.2 |
|
> 30 m |
1.5 |
References
DIN EN 12831
Example Results
AixLib.Building.Components.Examples.DryAir.DryAir_test
-
Mai 19, 2014 by Ana Constantin:
Uses components from MSL and respects the naming conventions -
May 02, 2013 by Ole Odendahl:
Formatted documentation appropriately -
August 2, 2011 by Ana Constantin:
Implemented after a model from Time Haase.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Volume | room_V | 50 | Volume of the room |
| Real | n50 | 4 | Air exchange rate at 50 Pa pressure difference |
| Real | e | 0.03 | Coefficient of windshield |
| Real | eps | 1.0 | Coefficient of height |
| Modelica.Units.SI.SpecificHeatCapacity | c | 1000 | Specific heat capacity of air |
| Modelica.Units.SI.Density | rho | 1.25 | Air density |