“whirly birds” - ghdonline“whirly birds” aka turbine vents room volume= 3m x 5m x 2.7m = 40...
TRANSCRIPT
“Whirly Birds”aka Turbine Vents
Wind = 15 km/h (9.3
mph)
Diameter = 30 cm (12 in)
Flow = 1,489 m3/h (876
cfm)
Wind = 25 km/h (15.5
mph)
Diameter = 30 cm (12 in)
“Whirly Birds”aka Turbine Vents
Room Volume = 3m x 5m x 2.7m
= 40 m3
ACH = Flow Rate / Room
Volume
= 1,489 m3/h / 40 m3
= 37 ! ! !