Cailletet , Louis Paul
(1832–1913) French physicist
Born in Chatillon-sur-Seine in France, the son of a metallurgist, Cailletet studied in Paris and then became a manager at his father's foundry.
He is most famous for his work on the liquefaction of gases. Cailletet realized that the failure of others to liquefy the permanent gases, even under enormous pressures, was explained by Thomas Andrews's concept of critical temperature. In 1877 he succeeded in producing liquid oxygen by allowing the cold, compressed gas to expand. This technique, depending on the effect discovered by Joule and Thomson, cooled the gas to below its critical temperature. In later experiments he liquefied nitrogen and air. Raoul Pictet, working independently, used a similar technique. In 1884 Cailletet was elected to the Paris Academy for his work. He is also the inventor of the altimeter and the high-pressure manometer.

Scientists. . 2011.

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  • Cailletet — Louis Paul Cailletet. Louis Paul Cailletet (* 21. September 1832 in Châtillon sur Seine; † 5. Januar 1913 in Paris) war ein französischer Physiker. Leben Cailletet studierte am Lycée Henri IV und …   Deutsch Wikipedia

  • Cailletet — (spr. kaj tä), Louis Paul, Physiker, geb. im September 1832 in Châtillon sur Seine, studierte in Paris, übernahm die Leitung der Eisenwerke seines Vaters und veröffentlichte Untersuchungen über die metallurgischen Prozesse. 1877 gelang ihm die… …   Meyers Großes Konversations-Lexikon

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