Article
Article
Bernoulli's theorem
Article By:
White, Frank M. Department of Mechanical Engineering, University of Rhode Island, Kingston, Rhode Island.
Adams, Thomas M. Department of Mechanical Engineering, Rose-Hulman Institute of Technology, Terre Haute, Indiana.
Last reviewed:October 2021
DOI:https://doi.org/10.1036/1097-8542.079300
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- Bernoulli's theorem, published November 2019:Download PDF
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An algebraic relation between pressure, velocity, and elevation for the flow of an idealized, inviscid (non-viscous) fluid. In fluid dynamics, a subdiscipline of fluid mechanics, Bernoulli's theorem describes the principle whereby a fluid increases in speed as static pressure or potential energy decreases. The Swiss natural philosopher and mathematician Daniel Bernoulli devised the principle bearing his name in his book Hydrodynamica, published in 1738 CE, while Bernoulli's friend and colleague, the Swiss mathematician Leonhard Euler, derived the standard form of the equation in a series of papers published in 1755. See also: Energy; Fluid mechanics; Fluid; Speed; Velocity
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