Asked by Anonymous
Winds in a certain city can attain sustained speeds of 45 m/s when the jet stream descends during spring. Approximately what force does a roof with an area of 200 m^2 experience due to the Bernoulli effect, assuming air flow is completely laminar? Density of air is 1.14 kg/m^3 with atmospheric pressure 88,900 Pa.
Answers
Answered by
bobpursley
It is approximately
(1/2)*(air density)*V^2*(roof area), but depends upon what the pressure inside the house is, and that depends upon which windows or doors are open.
Air density is about 1.2 kg/m^3.
(1/2)*(air density)*V^2*(roof area), but depends upon what the pressure inside the house is, and that depends upon which windows or doors are open.
Air density is about 1.2 kg/m^3.
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