Daniel Bernoulli

Daniel Bernoulli (8 February 1700 – 17 March 1782) was a Swiss mathematician and physicist and was one of the many prominent mathematicians in the Bernoulli family. He is particularly remembered for his applications of mathematics to mechanics, especially fluid mechanics, and for his pioneering work in probability and statistics. His name is commemorated in the Bernoulli principle, a particular example of the conservation of energy, which describes the mathematics of the mechanism underlying the operation of two important technologies of the 20th century: the carburetor and the airplane wing.

Early Life and Education

Daniel Bernoulli was born in Groningen, in the Netherlands, into a family of distinguished mathematicians. The Bernoulli family came originally from Antwerp, at that time in the Spanish Netherlands, but emigrated to escape the Spanish persecution of the Huguenots. Daniel was the son of Johann Bernoulli (also known as Jean), an important mathematician who was the first to take the new Leibnizian calculus into the direction of analysis. Daniel's uncle, Jakob Bernoulli, is also known for his work in calculus.

Career and Contributions

Daniel Bernoulli's most important work is Hydrodynamica, which is a profound study of fluid mechanics. He put forward what is now known as Bernoulli's principle, which explains how the speed of a fluid affects its pressure. This principle is applied in various areas of physics and engineering, most notably in aerodynamics and hydrodynamics.

In addition to his contributions to fluid mechanics, Bernoulli also made significant contributions to the field of statistics and probability. He was the first to use the term "moral expectation" and his work in this area laid the groundwork for the theory of utility, which is used in modern economics.

Later Life and Legacy

Daniel Bernoulli died in Basel, Switzerland in 1782. His work in fluid mechanics and statistics has left a lasting legacy in the fields of physics, engineering, and economics. The Bernoulli principle is named in his honor and continues to be an important concept in various scientific disciplines.

See Also

• Bernoulli's principle
• Fluid mechanics
• Probability theory
• Statistics

References

• Daniel Bernoulli 1700-1782. Birkhäuser Basel, 1982.
• The Art of Conjecturing, Together with Letter to a Friend on Sets in Court Tennis. Johns Hopkins University Press, 2006.

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