Ventilated Double Window for the Preheating of the Ventilation Air Comparison of Its Performance in a Northern and a Southern European Climate

Table 2

Pressure coefficients values [22].

Angle	0	22.5	45	67.5	90	112.5	135	157.5	180	202.5	225	247.5	270	292.5	315	337.5
𝐶𝑝	0.9	0.7	0.5	0.2	−0.1	−0.1	−0.2	−0.2	−0.2	−0.2	−0.2	−0.1	−0.1	0.2	0.5	0.7