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      • The German physicist Rudolf Julius Emanuel Clausius (1822-1888) was one of the chief architects of thermodynamics and the kinetic theory of gases.
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  2. Rudolf Julius Emanuel Clausius (German pronunciation: [ˈʁuːdɔlf ˈklaʊ̯zi̯ʊs]; [1] [2] 2 January 1822 – 24 August 1888) was a German physicist and mathematician and is considered one of the central founding fathers of the science of thermodynamics. [3]

  3. Aug 20, 2024 · Quick Facts. In full: Rudolf Julius Emanuel Clausius. Born: January 2, 1822, Köslin, Prussia [Poland] Died: August 24, 1888, Bonn, Germany (aged 66) Awards And Honors: Copley Medal (1879) Subjects Of Study: Clausius-Clapeyron equation. second law of thermodynamics.

    • The Editors of Encyclopaedia Britannica
    • Theories of Heat
    • Kinetic Theory of Gases
    • Concept of Entropy
    • Further Reading

    Clausius presented his paper "On the Motive Power of Heat and on the Laws Which Can Be Deduced from It for the Theory of Heat" in 1850. Its significance can best be gauged by the comments of James Clerk Maxwell, who years later wrote that Clausius "first stated the principle of Carnot in a manner consistent with the true theory of heat." The "true ...

    The scientific fruits of Clausius's first years in Zurich related to the kinetic theory of gases. Clausius achieved his task in two papers: "On the Kind of Motion Which We Call Warmth" (1857) and "On the Average Length of Paths Which Are Traversed by Single Molecules in the Molecular Motion of Gaseous Bodies" (1858). From the assumption that molecu...

    On April 24, 1865, Clausius read before the Philosophical Society of Zurich his best-remembered paper, or ninth memoir, "On Several Convenient Forms of the Fundamental Equations of the Mechanical Theory of Heat." In it the word "entropy" was used for the first time. The word, as Clausius noted, was coined by him from the Greekτροπε, or transformati...

    In French, R. Clausius, sa vie, ses travaux et leur portée métaphysique (1890), is a booklet by F. Folie, a close friend of the Clausius family and director of the Brussels Observatory. The major documents representing the emergence of thermodynamics as a full-fledged branch of physics are collected in W. F. Magie, ed., The Second Law of Thermodyna...

  4. Quick Info. Born. 2 January 1822. Koslin, Prussia (now Koszalin, Poland) Died. 24 August 1888. Bonn, Germany. Summary. Rudolf Clausius did important work in thermodynamics. View four larger pictures. Biography. Rudolf Clausius's father, Rev C E G Clausius, was a Councillor of the Royal Government School Board.

  5. German physicist considered, along with Lord Kelvin, to be one of the originators of the second law of thermodynamics. Clausius reanalyzed the earlier work of Carnot on the efficiency of steam engines, taking into account the conversion of heat energy into mechanical work.

  6. He is best known for formulating the second law of thermodynamics in 1850, independently of William Thomson (Lord Kelvin). In 1865 he introduced the concept of entropy, and later contributed to electrochemistry and electrodynamics (see Clausius-Mossotti equation).

  7. Rudolf Julius Emanuel Clausius (January 2, 1822 – August 24, 1888), was a German physicist and mathematician who was among the first to clearly formulate the fundamental principles of thermodynamics.

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