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# The Gas Laws and Airplanes

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by

## Lauren Bellows

on 22 October 2014

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#### Transcript of The Gas Laws and Airplanes

By Jake and Lauren
The Gas Laws and Airplanes
The inversely proportionate
relationship between volume
and pressure at a constant
temperature

Boyle's Law
Inside the turbine, the heat being made transfers to the tail, creating force on the tip of the tail

This allows the airplane to fly.

Heat is multiplied into volume, elevating the pressure to the tail.
Cabin Pressurization
Re-creating ground pressure in the cabin so there is enough oxygen for passengers

Achieved by pumping higher pressure air from the engine into the cabin

Relates to Boyle's law because as more air is pumped in, the density increases
Gay-Lussac's law
The directly proportionate relationship between pressure and temperature at a constant volume
Engine pressure
Particle behavior
Pressure is created by collisions between the moving gas particles and the wall of the turbine

When there is no change in temperature, particles are kept constant

When temperature increases in the turbine, the rate of collision increases as the particles are moving faster

The more particles move, the higher the gas pressure

References
http://en.wikipedia.org/wiki/Cabin_pressurization
http://en.wikipedia.org/wiki/Bleed_air
http://en.wikipedia.org/wiki/Boyle%27s_law
http://en.wikipedia.org/wiki/Jet_engine

As the temperature of gas increases, the pressure of gas increases proportionally

As the temperature of gas decreases in a higher altitude, the pressure decreases proportionally
Jeopardy
How do you pressurize the cabin in an airplane?
How does Gay-Lussac's Law relate to airplanes?
Boyle's Law
for 200
Gay-Lussac's Law
for 500
Boyle's Law for 200
By pumping air with a higher pressure from the engine into the cabin
Gay-Lussac's Law
for 500
The temperature of gas increases/decreases along with the plane's altitude
Full transcript