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Bernoulli's principle |
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Bernoulli's principle [bərno̅o̅′lēz] Etymology: Daniel Bernoulli, Swiss scientist, 1700-1782 (in physics) the principle stating that the sum of the velocity and the kinetic energy of a fluid flowing through a tube is constant. The greater the velocity, the less the lateral pressure on the wall of the tube. Thus, if an artery is narrowed by atherosclerotic plaque, the flow of blood through the constriction increases in velocity and decreases in lateral pressure. Also called Bernoulli's law. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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His style is witty, and his presentation is thoughtful, as he clearly explains refraction, the Doppler shift, and Bernoulli's principle. ``We didn't want something like Bernoulli's principle (a law of physics) with five or six permutations,'' Valenti said during a telephone interview from his office in Washington, D. Because according to, Bernoulli's principle, as the flow of a fluid (any liquid or gas) speeds up, its pressure drops. |
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