Fluids (finding the vel of air in a plane)

In summary, the velocity of air in a plane is determined by measuring the airspeed using instruments like a pitot tube and air data computer. This velocity can be affected by factors such as angle of attack, altitude, air density, and aircraft speed, which can also be influenced by weather conditions and design. The velocity of air plays a significant role in the lift and drag forces on a plane, ultimately impacting its flight performance. It can change during flight due to various factors, and it differs from the velocity of the plane itself, which refers to its overall speed and direction of motion.
  • #1
pkpiotr517
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An airplane is cruising at an altitude of 10 km. The pressure outside the craft is 0.292 atm; within the passenger compartment, the pressure is 0.97 atm and the temperature is 20°C. A small leak occurs in one of the window seals in the passenger compartment. Model the air as an ideal fluid to find the speed of the stream of air flowing through the leak.




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  • #2
the density of air at is 1.2 kg/m^3 at 20 degrees centigrade and 1 atm.
 
  • #3
Is there anyway to find the velocity of the air stream?
 

Related to Fluids (finding the vel of air in a plane)

1. How is the velocity of air in a plane determined?

The velocity of air in a plane is determined by measuring the airspeed using instruments such as a pitot tube and air data computer. The pitot tube measures the total pressure of the air around the plane, which is then used to calculate the airspeed.

2. What factors affect the velocity of air in a plane?

The velocity of air in a plane can be affected by various factors such as the angle of attack, altitude, air density, and the speed of the aircraft. These factors can also be influenced by weather conditions and the design of the plane.

3. How does the velocity of air impact flight performance?

The velocity of air is a crucial factor in determining the lift and drag forces on a plane, which directly affect its flight performance. A higher air velocity can result in increased lift and decreased drag, allowing the plane to fly faster and more efficiently.

4. Can the velocity of air in a plane change during flight?

Yes, the velocity of air in a plane can change during flight due to various factors such as changes in altitude or air density. Pilots can also adjust the velocity of air by changing the engine power or adjusting the control surfaces of the plane.

5. How does the velocity of air in a plane differ from the velocity of the plane itself?

The velocity of air in a plane refers to the speed at which the air is moving around the plane, while the velocity of the plane itself refers to its overall speed and direction of motion. These two velocities may not always be the same, as the plane's motion can be affected by external factors such as wind or air turbulence.

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