Estimates of duct dimensions for ventilation
Recomended airflow velocity
Maximum airflow velocity
Schools Schools
Dwellings Offices Industrial Dwellings Offices
Theatres buildings Theatres
Main ducts 3,5 - 4,5 5,0 - 6,5 6,0 - 9,0 4,0 - 6,0 5,5 - 8,0
Branch ducts 3.0 3,0 - 4,5 4,0 - 5,0 3,5 - 5, 0 4,0 - 6,5
Tilslutningskanaler 2.5 3,0 - 3,5 4.0 3,5 - 4,0 4,0 - 6,0
Recomended air flow velocities in m/s from "Glent klimateknik"
Connection duct
ROOM
Air flow m3/h Velocity Diameter
Main saloon 698.7 0.19408333 4 0.24855313
Private saloon 438.4 0.12177778 4 0.19688341
Bar 331.3 0.09202778 4 0.17115302
Kitchen 105.6 0.02933333 4 0.09662863
Corridor 193.9 0.05386111 4 0.13093711
Toilet women 117.9 0.03275 4 0.10210118
Toilet men 99.7 0.02769444 4 0.09389045
Dish washer room 172.9 0.04802778 4 0.12364352
Warehouse 270.4 0.07511111 4 0.15462411
Cash 42.8 0.01188889 4 0.06151708
Office 47 0.01305556 4 0.06446482
Small Toilet 59.3 0.01647222 4 0.07241044
Fish room 281.6 0.07822222 4 0.15779389
Storage room 48.6 0.0135 4 0.06555291
Air flow
m3/s
