Difference between revisions of "Bernoulli's principle"
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== Explanation == | == Explanation == | ||
| − | Bernoulli's principle states the relation between the velocity of the fluid and the static pressure. As the velocity of the | + | 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 [[kinettic energy]]. |
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== 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? === | ||
Revision as of 21:29, 12 November 2016
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Contents
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 kinettic 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]