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  2. Lester Allan Pelton - Wikipedia

    en.wikipedia.org/wiki/Lester_Allan_Pelton

    In the late 1870s, he invented the Pelton water wheel, at that time the most efficient design of the impulse water turbine. Recognized as one of the fathers of hydroelectric power, he was awarded the Elliott Cresson Medal during his lifetime and is an inductee of the National Inventors Hall of Fame. [1]

  3. John B. McCormick - Wikipedia

    en.wikipedia.org/wiki/John_B._McCormick

    John Buchanan McCormick (November 4, 1834 – August 21, 1924) [2] was an American mechanical engineer who invented the first modern mixed flow water turbine, the "Hercules", as well variants including the Holyoke-McCormick, and Achilles turbines. [3]

  4. Pelton wheel - Wikipedia

    en.wikipedia.org/wiki/Pelton_wheel

    The Pelton wheel or Pelton Turbine is an impulse-type water turbine invented by American inventor Lester Allan Pelton in the 1870s. [ 1 ] [ 2 ] The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel .

  5. Segner wheel - Wikipedia

    en.wikipedia.org/wiki/Segner_wheel

    Segner-wheel: A – water inlet, B – vertical tube with rotor, C – rotor with nozzles (side view), D – rotor with nozzles ("top" view), E – hole in the ground, F – belt-pulley transmission, G – powered device. The Segner wheel or Segner turbine is a type of water turbine invented by Johann Andreas Segner in the 18th century. [1]

  6. Water turbine - Wikipedia

    en.wikipedia.org/wiki/Water_turbine

    The runner of the small water turbine. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now, they are mostly used for electric power generation.

  7. History of thermodynamics - Wikipedia

    en.wikipedia.org/wiki/History_of_thermodynamics

    The history of thermodynamics is a fundamental strand in the history of physics, the history of chemistry, and the history of science in general. Due to the relevance of thermodynamics in much of science and technology, its history is finely woven with the developments of classical mechanics, quantum mechanics, magnetism, and chemical kinetics, to more distant applied fields such as ...

  8. The First Law of Thermodynamics Has Been Rewritten - AOL

    www.aol.com/first-law-thermodynamics-rewritten...

    Researchers have made a breakthrough in applying the first law of thermodynamics to complex systems, rewriting the way we understand complex energetic systems.

  9. Francis turbine - Wikipedia

    en.wikipedia.org/wiki/Francis_turbine

    The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. [1] The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. [1]