Aef(m²)= B1 x (H1-160-(55 x no. of blades)) 155 B1 400 600 800 1000 1200 1400 1600 1800 2000 – – – H1 375 515 655 795 935 1075 1215 1355 1495 1635 1775 1915 Number of blades 2 3 4 5 6 7 8 9 10 11 12 13 Free section area Aef (m²) 0.0312 0.0702 0.1248 0.1950 0.2808 0.3822 0.4992 0.6318 0.7800 – – – Note: The spacing between individual louvres is 140 mm, valid for all standard dimensions (sizes).
Aef(m²)= B1 x (H1-160-(55 x št. lamel)) B1 400 600 800 1000 1200 1400 1600 1800 2000 – – – H1 375 515 655 795 935 1075 1215 1355 1495 1635 1775 1915 število lamel 2 3 4 5 6 7 8 9 10 11 12 13 Prosti presek Aef (m²) 0,0312 0,0702 0,1248 0,1950 0,2808 0,3822 0,4992 0,6318 0,7800 – – – Opomba: Delitev med lamelami 140 mm, velja za standardne dimenzije.