Ventilation heat losses in buildings. Calculation methods. Luftungsverluste in gebauden. Berechnungsmethode.

Describes a mathematical model for the detailed calculation of ventilation heat losses in buildings. The model takes account of the prevailing wind and buoyancy forces, the leakiness of the building facades and internal doors, and the effect of mechanical ventilation. Derives a simplified calculation method. The calculation results are presented as formulae, in numeric and graphical form. Presents results for a 70 m high residential building.