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Vor 4 Tagen · At that meeting, he heard James Prescott Joule making yet another of his, so far, ineffective attempts to discredit the caloric theory of heat and the theory of the heat engine built upon it by Sadi Carnot and Émile Clapeyron. Joule argued for the mutual convertibility of heat and mechanical work and for their mechanical equivalence.
Vor 4 Tagen · James Prescott Joule "For his experimental researches on the dynamical theory of heat" 1871: Julius von Mayer "For his researches on the mechanics of heat; including essays on: – 1. The force of inorganic nature. 2. Organic motion in connection with nutrition. 3. Fever. 4. Celestial dynamics. 5. The mechanical equivalent of heat ...
Vor 2 Tagen · heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.
Vor 4 Tagen · Prior to James Prescott Joule’s influence, the name was relatively obscure and primarily seen as a surname in French-speaking regions. Its evolution into a recognized scientific term marked a significant shift. The recognition came in the late 19th century, and by the 20th century, “Joule” had become synonymous with energy and physics, transcending its original roots.
Vor einem Tag · In a paper published in 1843, James Prescott Joule first demonstrated a means of measuring the energy transferred between different systems when work is done thereby relating Nicolas Clément's calorie, defined in 1824 as "the amount of heat required to raise the temperature of 1 kg of water from 0 to 1 °C at 1 atmosphere of pressure" to mechanical work.
Vor 5 Tagen · Listen zum Thema. Kalaschnikow ( russisch Кала́шников) ist die verbreitete Bezeichnung einer Reihe von sowjetisch - russischen Sturm- und Maschinengewehren, die auf dem Urmodell AK (russisch автомат Калашникова, deutsch Automat Kalaschnikows) [3] basieren und nach dessen Entwickler Michail Timofejewitsch ...
Vor 4 Tagen · We fabricated the flexible ultrafast thermal camouflage device by combining the advantages of the EC effect and Joule heating to achieve a square-wave temperature signal. The device has an ultrafast thermal camouflage response with a temperature change rate of up to 3.8 × 10 −3 s/K.
