The Science of Flight Mr. Zushma Technology & Design for Science and Engineering.
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Transcript of The Science of Flight Mr. Zushma Technology & Design for Science and Engineering.
![Page 1: The Science of Flight Mr. Zushma Technology & Design for Science and Engineering.](https://reader035.fdocuments.us/reader035/viewer/2022062503/5a4d1b007f8b9ab0599866ef/html5/thumbnails/1.jpg)
The Science of Flight
Mr. ZushmaTechnology & Design for Science and Engineering
![Page 2: The Science of Flight Mr. Zushma Technology & Design for Science and Engineering.](https://reader035.fdocuments.us/reader035/viewer/2022062503/5a4d1b007f8b9ab0599866ef/html5/thumbnails/2.jpg)
Before you fly your airplane
You need to understand the Science
Of flight
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We live in an ocean of air
Air can be studied like the ocean,We fly in an ocean of air.
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Forces are placed on the wings of the plane
Air pressure acts on the entire surface of the wing
When the plane is not
moving the air pressure is
equal on both sides.
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Air has weight
Air holds the paper against the glass and keeps the water
inside.
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Fish live in an ocean of water
We live in an ocean of air.
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If we sank this bottle to the bottom of the ocean…What
would happen to it?
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Air is pressing down on everything all the time
At sea level – air presses down with 14.7 pounds per
square inch!
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The higher above sea level you travel…
The lower the air pressure
13.7 Psi on a mountain
14.7 PSI at sea level
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The lower below sea level you travel…
The higher the pressure.You can feel your ears popping! *
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The Bernoulli principle
Over two hundred years ago the Bernoulli brothers
mathematically unlocked a secret of flight.
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The Bernoulli principle states:
When a fluid like air speeds up, its
pressure decreases.
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The wing of an airplane
Is shaped in a manor so that the air traveling over the top
speeds up. This creates lift.
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Stalling the plane:
The plane is not made to fly like a helicopter!
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The main wing of the plane provides lift
If a 12”x12” piece of wing is 144 sq. inches…
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The main wing of the plane provides lift
When we reduce the air pressure on the wing by 1
pound…that one sq. foot can lift 144 pounds!
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Four Principals of Flight
• Thrust • Lift • Weight • Drag
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