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Bernoulli's principle


Bernoulli’s Principle


Bernoulli's principle 3d animation


Lift: Bernoulli’s Principle


Bernoulli's Principle


Bernoulli's Principle

In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. The principle is named after Daniel Bernoulli who published it in his book Hydrodynamica in 1738. Although Bernoulli deduced that pressure decreases when the flow speed increases, it was Leonhard Euler who derived Bernoulli's equation in its usual form in 1752. The principle is only applicable for isentropic flows: when the effects of irreversible processes and non-adiabatic processes are small and can be neglected.
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  • Incompressible flow equation 

  • Compressible flow equation 

  • Derivations of the Bernoulli equation 

  • Applications 

  • Misunderstandings about the generation of lift