Otto cycle

Otto cycle
Thermodynam.
an idealization of the thermodynamic cycle of the internal combustion engine with air as the working substance: intake of air at atmospheric pressure, then adiabatic compression, then ignition with an increase of pressure and temperature at constant volume, then adiabatic expansion and performance of work, then a drop to atmospheric pressure at constant volume and a rejection of heat to the environment, then the exhaust of air at constant pressure.
[1885-90; named after Nikolaus August Otto, 1832-91, German engineer and inventor]

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  • Otto cycle — Ot to cy cle (Thermodynamics) A four stroke cycle for internal combustion engines consisting of the following operations: First stroke, suction into cylinder of explosive charge, as of gas and air; second stroke, compression, ignition, and… …   The Collaborative International Dictionary of English

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  • Otto cycle — A thermodynamic cycle for the conversion of heat into work, consisting of two isentropic phases interspersed between two constant volume phases. It is the four stroke cycle of operation that produces the power within the cylinders of an internal… …   Aviation dictionary

  • otto cycle — Four stroke cycle consisting of the intake, compression, firing, and exhaust strokes, in honor of Otto Benz, the inventor. Also see four stroke cycle engine. It was named after the German engineer Dr. Nikolaus Otto (1832 1891) who first patented… …   Dictionary of automotive terms

  • otto cycle — ˈäd.(ˌ)ō, ˈä(ˌ)tō noun Usage: usually capitalized O Etymology: after Nikolaus A. Otto died 1891 German technician and inventor : a four stroke cycle for internal combustion engines of the type used in automobiles wherein the first stroke consists …   Useful english dictionary

  • Otto cycle — /ˈɒtoʊ saɪkəl/ (say otoh suykuhl) noun the working cycle of a four stroke internal combustion engine. {named after NA Otto, 1832–91, German engineer} …  

  • Otto cycle — noun the basic thermodynamic cycle of the normal four stroke internal combustion engine isentropic compression, constant volume heat addition, isentropic expansion, and constant volume heat …   Wiktionary

  • Otto (disambiguation) — Otto is a given name of Germanic origin. Otto may also refer to: Contents 1 Companies 2 Fictional characters 3 Places …   Wikipedia

  • Otto (surname) — Otto is a surname, and may refer to Catherine Otto, author of echocardiography textbooks Dr. Douglas Otto, American school superintendent Felix Otto (born 1966), German mathematician Frei Otto (born 1925), German architect Gustav Otto (1883–1926) …   Wikipedia

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