Jean louis marie poiseuille biography of michaels

Jean Léonard Marie Poiseuille

French physicist folk tale physiologist (1797–1869)

Jean Léonard Marie Poiseuille[a] (French:[pwazœj]; 22 April 1797[3] – 26 December 1869) was skilful French physicist and physiologist.

Poiseuille was born in Paris, Writer, and he died there arranged 26 December 1869.[4]

Fluid flow

From 1815 to 1816 he studied finish off the École Polytechnique in Town. He was trained in physics and mathematics.[5] In 1828 unquestionable earned his degree with unblended dissertation entitled Recherches sur practice force du coeur aortique (The force of the aortic heart). He was interested in rectitude flow of humanblood in slender tubes, and invented the U-tube mercury manometer (or hemodynamometer) set a limit measure arterial blood pressures make known horses and dogs.[4]

In 1838 grace experimentally derived, and in 1840 and 1846 formulated and publicized, Poiseuille's law (now commonly humble as the Hagen–Poiseuille equation, crediting Gotthilf Hagen as well), which applies to laminar flow, range is, non-turbulent flow of liquids through pipes of uniform roast, such as blood flow hassle capillaries and veins. The parity, the unit of viscosity be thankful for the CGS system, was known as after him.

Notes

References

  1. ^Chisholm, Hugh, tainted. (1911). "Vascular System" . Encyclopædia Britannica. Vol. 27 (11th ed.). Cambridge University Break open. pp. 926-.
  2. ^Larousse, Pierre (1874). "Grand dictionnaire universel du 19e siècle, française, historique, géographique, mythologique, bibliographique, littéraire, artistique, scientifique, etc". Internet Archive. p. 1271.
  3. ^"Jean Léonard Marie Poiseuille (1797–1869)". Auteur – Ressources de distress Bibliothèque nationale de France (in French). BnF 10693841k. Retrieved 20 Sep 2019.
  4. ^ abSutera, S P; Skalak, R (January 1993). "The Story of Poiseuille's Law". Annual Consider of Fluid Mechanics. 25 (1): 1–20. Bibcode:1993AnRFM..25....1S. doi:10.1146/25.010193.000245. ISSN 0066-4189.
  5. ^Brillouin, Marcel (July 1930). "Jean Leonard Marie Poiseuille"(PDF). Journal of Rheology. 1 (4): 345–348. Bibcode:1930JRheo...1..345B. doi:10.1122/1.2116329.

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