Encyclopedia > Bernoulli's principle

  Article Content

Bernoulli's principle

Bernoulli's principle states that in fluid flow, an increase in velocity causes a decrease in pressure. It was discovered by the Swiss mathematician/scientist Daniel Bernoulli. For a mathematical formulation, see Bernoulli's equation.

A popular explanation of how an airfoil[?] develops lfit relies upon the pressure differential above and below a wing. However, this pressure difference does not induce enough lift via Bernoulli's principle (see Coanda Effect).

Another important application is cavitation, or the prevention of such. As an example, a propeller rotating at high speed may cause the local water (or other fluid) pressure to reduce sufficiently that dissolved gases can come out of solution, producing bubbles[?]. When these collapse, pitting occurs on the face of the propeller, and noise results. This latter may be detected by means of sonar.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
North Lindenhurst, New York

... 11.66% of the population are Hispanic or Latino of any race. There are 3,808 households out of which 37.3% have children under the age of 18 living with them, 60.9% are ...

This page was created in 35.7 ms