recordHouseType55
House type 55 characteristics according to EnEV 2007
Extends from Base.ThermodynamicProperties (record for thermodynamic properties).
Information
1. Purpose of model
record for house type 100 characteristics according to EnEV 2007
2. Level of detail, physical effects considered, and physical insight
(Purely technical component without physical modeling.)
3. Limits of validity
(Purely technical component without physical modeling.)
4.Interfaces
(no remarks)
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(no remarks)
8. Validation
(no validation or testing necessary)
9. References
[1] Bundesgesetzblatt, "Verordnung über energiesparenden Wärmeschutz und energiesparende Anlagentechnik bei Gebäuden(Energieeinsparverordnung–EnEV)", Bonn, 2007
10. Version History
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| General Asumptions | |||
| Real | q_i (from ThermodynamicProperties) | 5 | internal heat sources in W/m |
| Real | n_min (from ThermodynamicProperties) | 0.7 | minimum needed air change rate |
| Modelica.Units.SI.Density | rho_air (from ThermodynamicProperties) | 1.2041 | Density of air 20C and 1bar |
| Modelica.Units.SI.SpecificHeatCapacity | cp_air (from ThermodynamicProperties) | 1.005e3 | specific heat capacity of air |
| Heat transfer and storage | |||
| Real | cp_ext (from ThermodynamicProperties) | 50*3600 | Heat storage capacity of external walls |
| Real | cp_int (from ThermodynamicProperties) | 8*3600 | Heat storage capacity of internal walls |
| Modelica.Units.SI.CoefficientOfHeatTransfer | U_ext (from ThermodynamicProperties) | 0.4 | Heat transfer coefficient of external walls |
| Modelica.Units.SI.CoefficientOfHeatTransfer | U_roof (from ThermodynamicProperties) | 0.2 | Heat transfer coefficient of roof |
| Modelica.Units.SI.CoefficientOfHeatTransfer | alpha_roomWall (from ThermodynamicProperties) | 8 | coefficient of heat transfer from the the air in the room to the walls (typical values 6-8W/mK) for static air |
| Modelica.Units.SI.CoefficientOfHeatTransfer | alpha_wallAmbiance (from ThermodynamicProperties) | 15 | coefficient of heat transfer from the wall to the environement |
| Modelica.Units.SI.CoefficientOfHeatTransfer | alpha_groundsurface (from ThermodynamicProperties) | 10 | coefficient of heat transfer from the surface of the ground to the room (can be 10W/mK) |