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4 days ago · History Rudolf Clausius (1822–1888), originator of the concept of entropy Main article: History of entropy In his 1803 paper Fundamental Principles of Equilibrium and Movement, the French mathematician Lazare Carnot proposed that in any machine, the accelerations and shocks of the moving parts represent losses of moment of activity ; in any natural process there exists an inherent tendency ...
1 day ago · The second law of thermodynamics—formulated in the 19th century by Lord Kelvin and Rudolf Clausius— was discovered as a side effect of research on improving the efficiency of steam engines. As each machine transforms only a portion of energy into work—the rest is released as heat ‘waste’—a good engine design aims to waste as little energy as possible.
4 days ago · The concept of entropy was first proposed by German physicist Rudolf Clausius in 1850. Clausius defines entropy as the degree of disorder of a thermodynamic system, which is used to describe the degree of disorder of the system [1]. For high entropy systems, the calculation of entropy is essential.
3 days ago · Rudolf Clausius, the originator of the entropy concept in 1865, defined entropy change mathematically as the amount of energy transferred to a substance by heating (or cooling, in which case the transfer is negative) divided by the temperature.
2 days ago · Thermodynamics is the study of how energy behaves as it moves from one place to another and as it transforms from one form to another. The second law of thermodynamics states that in an isolated system, entropy (disorder) will always increase with the passage of time. This law was formulated by German physicist Rudolf Clausius in 1850.
1 day ago · Such German inventors, engineers and industrialists as Count Ferdinand von Zeppelin, Otto Lilienthal, Gottlieb Daimler, Rudolf Diesel, Hugo Junkers and Karl Benz helped shape modern automotive and air transportation technology, while Karl Drais invented the bicycle.
4 days ago · In final publication, Thomson retreated from a radical departure and declared "the whole theory of the motive power of heat is founded on ... two ... propositions, due respectively to Joule, and to Carnot and Clausius." Thomson went on to state a form of the second law:
