How to Calculate Wind Pressure on a Wall?

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Homework Help Overview

The discussion revolves around calculating wind pressure on a wall, specifically in the context of a barn exposed to severe storm conditions. The problem involves parameters such as wind speed, wall area, and air density.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the application of Bernoulli's principle to derive wind pressure. Questions arise regarding the distinction between pressure and force, particularly in relation to the information provided in the problem.

Discussion Status

Some participants have offered a formula for calculating wind pressure, while others are questioning the clarity of the problem statement regarding whether it is asking for pressure or total force. There is an ongoing exploration of these interpretations.

Contextual Notes

The original poster expresses uncertainty about the unit and the problem's requirements, indicating a need for further clarification on the concepts involved.

jackamo321
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The wind in a severe storm is blowing 30 ms perpendicularly to the wall of a large barn of area 80 m2. Calculate the pressure exerted on it, assuming that the air density is 1.3 kg m3.

I am quite new to this unit so i really have no idea what to do. Any help apreciated!
 
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From Bernoulli's principle:
Wind Pressure = ½ x (density of air) x (wind speed)2
 
wow, thanks a lot!
 
Check the question it asks for the wind pressure but gives a wall area, does it ask for total force or pressure?
 
That is the exact question that i have written, but i presume it means the force that the wind is pushing at the wall with.
 

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