Mathematical Problems in Engineering / 2013 / Article / Tab 7

Research Article

Mathematical Modeling of Double-Skin Facade in Northern Area of China

Table 7

The contrast of the ratio of energy conversion when the building orientation is changed.

Building orientationThe energy saving ratio of the DSF (%)Reference to Low-e hollow glass curtain wallReference to concrete-perlites-85

NorthwardHeat energy saving rate8.0−9.0
Air conditioning energy saving rate21.3−44.9
Annual energy saving rate16.1−31.3
Westward Heat energy saving rate 9.5 −7.3
Air conditioning energy saving rate28.2−36.8
Annual energy saving rate21.3−23.0
Southward Heat energy saving rate 6.3 −10.2
Air conditioning energy saving rate26.3−43.7
Annual energy saving rate16.0−31.0
Eastward Heat energy saving rate 10.1 −6.2
Air conditioning energy saving rate23.7−41.8
Annual energy saving rate18.9−26.4

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