• Thumbnail for Rudolf Clausius
    Rudolf Julius Emanuel Clausius (German pronunciation: [ˈʁuːdɔlf ˈklaʊ̯zi̯ʊs]; 2 January 1822 – 24 August 1888) was a German physicist and mathematician...
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  • between two phases of matter of a single constituent. It is named after Rudolf Clausius and Benoît Paul Émile Clapeyron. However, this relation was in fact...
    25 KB (3,598 words) - 14:13, 10 September 2024
  • Thumbnail for Entropy
    by Rudolf Clausius and essentially describes how to measure the entropy of an isolated system in thermodynamic equilibrium with its parts. Clausius created...
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  • Thumbnail for Second law of thermodynamics
    violation of the Kelvin statement implies a violation of the Clausius statement, i.e. the Clausius statement implies the Kelvin statement. We can prove in...
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  • Thumbnail for Thermodynamics
    the system) is that of Rudolf Clausius. The opposite sign convention is customary in chemical thermodynamics. Clausius, Rudolf (1850). On the Motive Power...
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  • for "force" or "energy", and was given its technical definition by Rudolf Clausius in 1870. The significance of the virial theorem is that it allows the...
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  • Thumbnail for Carnot heat engine
    Benoît Paul Émile Clapeyron in 1834 and mathematically explored by Rudolf Clausius in 1857, work that led to the fundamental thermodynamic concept of...
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  • In electromagnetism, the Clausius–Mossotti relation, named for O. F. Mossotti and Rudolf Clausius, expresses the dielectric constant (relative permittivity...
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  • Thumbnail for Clausius theorem
    The Clausius theorem (1855), also known as the Clausius inequality, states that for a thermodynamic system (e.g. heat engine or heat pump) exchanging...
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  • involved. It was named after the German physicist Rudolf Clausius and French physicist Pierre Duhem. The Clausius–Duhem inequality can be expressed in integral...
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  • Thumbnail for History of thermodynamics
    of entropy formulated by the famed mathematical physicist Rudolf Clausius. In 1865, Clausius coined the term "entropy" (das Wärmegewicht, symbolized S)...
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  • Thumbnail for Ideal gas law
    was achieved (apparently independently) by August Krönig in 1856 and Rudolf Clausius in 1857. The state of an amount of gas is determined by its pressure...
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  • derived by Clausius: Δ S = Q ( 1 T 2 − 1 T 1 ) {\displaystyle \Delta S=Q\left({\frac {1}{T_{2}}}-{\frac {1}{T_{1}}}\right)} In 1856, Clausius stated what...
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  • Thumbnail for Heat
    particles of bodies. The process function Q was introduced by Rudolf Clausius in 1850. Clausius described it with the German compound Wärmemenge, translated...
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  • Thumbnail for Entropy (order and disorder)
    amount of order or disorder in a thermodynamic system. This stems from Rudolf Clausius' 1862 assertion that any thermodynamic process always "admits to being...
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  • Thumbnail for Nicolas Léonard Sadi Carnot
    Lord Kelvin) and Rudolf Clausius. Thomson used Carnot's analysis to develop an absolute thermodynamic temperature scale, while Clausius used it to define...
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  • 1850–51 – William Thomson, 1st Baron Kelvin & Rudolf Clausius: Second law of thermodynamics 1857 – Rudolf Clausius: Introduced translational, rotational, and...
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  • Thumbnail for First law of thermodynamics
    in 1850 from Rudolf Clausius, and from William Rankine. Some scholars consider Rankine's statement less distinct than that of Clausius. The original...
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  • mechanical point of view of the second law of thermodynamics postulated by Rudolf Clausius and Lord Kelvin, according to which heat can only be transferred from...
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  • Thumbnail for Ludwig Boltzmann
    mechanics did not differentiate between past and future motion, but Rudolf Clausius’ invention of entropy to describe the second law was based on disgregation...
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  • Thumbnail for Boyle's law
    the next two centuries by Daniel Bernoulli (1738) and more fully by Rudolf Clausius (1857), Maxwell and Boltzmann. This law was the first physical law...
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  • Thumbnail for William Rankine
    Scottish mathematician and physicist. He was a founding contributor, with Rudolf Clausius and William Thomson (Lord Kelvin), to the science of thermodynamics...
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  • The concept entropy was first developed by German physicist Rudolf Clausius in the mid-nineteenth century as a thermodynamic property that predicts that...
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  • Thumbnail for Laws of thermodynamics
    of Fire. By 1860, as formalized in the works of scientists such as Rudolf Clausius and William Thomson, what are now known as the first and second laws...
    20 KB (2,858 words) - 13:59, 30 August 2024
  • Thumbnail for Entropy production
    entropy production) was recognized as early as 1824 by Carnot. In 1865 Rudolf Clausius expanded his previous work from 1854 on the concept of "unkompensierte...
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  • Thumbnail for Clausius (crater)
    mare material, although the tiny satellite crater Clausius A lies just to the north. The rim of Clausius is low and sharp, with a slightly oval shape that...
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  • Thumbnail for Heinrich Gustav Magnus
    who were beneficiaries of Magnus's laboratory in the 1840s include Rudolf Clausius, Hermann Helmholtz and Gustav Wiedemann. Magnus's laboratory, which...
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  • 19th century, later developments from scientists like August Krönig, Rudolf Clausius, James Clerk Maxwell and Ludwig Boltzmann, gave rise to the kinetic...
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  • Thumbnail for Albert von Kölliker
    Albert von Kölliker (born Rudolf Albert Kölliker; 6 July 1817 – 2 November 1905) was a Swiss anatomist, physiologist, and histologist. Albert Kölliker...
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  • statement of the first and second law of thermodynamics, given by Rudolf Clausius. 1860 – Lenoir 2 cycle engine 1872 – Brayton Engine 1877 – Nicolaus...
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