Difference between revisions of "Bernoulli's principle"

Explanation
Line 5: Line 5:
 
== Frequently Asked Questions ==
 
== Frequently Asked Questions ==
 
=== Is Bernoulli's principle the real reason for the lift in an airfoil? ===
 
=== Is Bernoulli's principle the real reason for the lift in an airfoil? ===
Yes, the Bernoulli's principle does contribute to the [[lift]] in an airfoil. But the most contributing factor for the lift would be due to Newtonian forces acting on it. However, there is a misconception in using the Bernoulli's principle in incorrect lift theories like the equal transit time theory.<ref>https://www.grc.nasa.gov/www/k-12/airplane/wrong1.html</ref>
+
Yes, the Bernoulli's principle does contribute to the [[lift]] in an airfoil. But the most contributing factor for the lift would be due to Newtonian forces acting on it. However, there is a misconception in using the Bernoulli's principle in incorrect lift theories like the equal transit time theory <ref>https://www.grc.nasa.gov/www/k-12/airplane/wrong1.html</ref>, where it is misunderstood that the air packets that gets separated in the leading edge take equal amount of time to reach the trailing edge. This has been proven wrong by several wind tunnel experiments.
  
 
== References ==
 
== References ==
 
<references/>
 
<references/>

Revision as of 20:48, 13 November 2016

✍︎
This is a draft of an upcoming page. Participate in the discussions and help improve it.

Explanation

Bernoulli's principle states the relation between the velocity of the fluid and the static pressure. As the velocity of the fluid increases, the static pressure drops, with a decrease in its potential energy and dynamic pressure increases, with an increase in its kinetic energy.

Frequently Asked Questions

Is Bernoulli's principle the real reason for the lift in an airfoil?

Yes, the Bernoulli's principle does contribute to the lift in an airfoil. But the most contributing factor for the lift would be due to Newtonian forces acting on it. However, there is a misconception in using the Bernoulli's principle in incorrect lift theories like the equal transit time theory [1], where it is misunderstood that the air packets that gets separated in the leading edge take equal amount of time to reach the trailing edge. This has been proven wrong by several wind tunnel experiments.

References

  1. https://www.grc.nasa.gov/www/k-12/airplane/wrong1.html