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Coanda effect

   Also found in: Encyclopedia 0.01 sec.
Coanda effect,
a phenomenon of fluid movement similar to the Bernoulli effect in which passage of a stream of gas next to a wall results in a pocket of turbulence between the wall and the gas flow. The turbulence forms a low-pressure bubble that makes the gas stream adhere to the wall. The principle is used in fluidic ventilators.


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According to Piper vice-president of engineering, John Becker, engineers are now experimenting using a Coanda effect device that would channel the jet's exhaust in an appropriate direction to reduce nose-down moment created by adding power and nose-up trim changes when decreasing power.
Due to the coanda effect the supply air sticks to the ceiling and then goes down along the sidewalls.
 
 
 
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