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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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After calculating the fluid's speed and assuming that zero energy is gained from changes in elevation from the irrigation nozzle to the wound's surface, the researchers applied Bernoulli's equation to yield the impact pressure at the wound's surface: Bernoulli's equations for flow along streamlines for example give rise to elegant and effective gating systems. |
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