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Table 1: comparison between single glazed high performance facade and double skin
	Single skin facade	Double skin facade
Shading co-efficient (Carrier method)	0·3	0·15
Heat transfer co-efficient (W/m²K)	5·0	1·25

Table 2: results of cfd analysis (Shading)
	Glass shading	Outside pane	Inside pane	Floor	Ceiling	Total (kW)
Summer (W/m²)	fully shaded	4	4	28	12	1·22
Winter (W/m²)	fully sunlit	40	40	280	120	12·16

Table 3: results of cfd analysis (temperature)
	Max internal temp	Exhaust temp.	Outside pane heat trans	Inside pane heat trans.
Summer	35·10°C	28·80°C average	1·7 kW from outside	1·5 kW to inside
Winter	76·70°C	32·80°C average	6·8 kW to outside	2·4 kW to inside