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Bernoulli effect

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Bernoulli effect
n.
The phenomenon of internal pressure reduction with increased stream velocity in a fluid.

[After Daniel Bernoulli.]

Bernoulli effect
The phenomenon of falling pressure in a fluid as the velocity of the fluid stream increases. The Bernoulli effect accounts for the lift generated by the airfoil shape of an airplane wing. See also Bernoulli's lawlift See Note at aerodynamics.


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The narrowing of the nostrils results in greater air velocity during inspiration, which magnifies the Bernoulli effect and makes the lateral nasal wall more prone to collapse.
The PBS video Flight (part of the series from Bill Nye the Science Guy, available from Disney Educational Productions) is used to show the different forces of flight (lift, thrust, drag, gravity, the Bernoulli effect, differences in air pressure, etc.
The Bernoulli effect says it is this spin which creates the low-pressure force that turns the ball to the left ( round the defensive wall.
 
 
 
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