OTTO CYCLE Meaning and
Definition
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The Otto cycle is a thermodynamic cycle used in internal combustion engines, particularly spark-ignition engines. It was named after Nikolaus August Otto, the German engineer who developed the four-stroke engine concept. The Otto cycle consists of four distinct processes: intake, compression, power, and exhaust.
During the intake process, the air-fuel mixture is drawn into the engine's cylinder as the piston moves downward. This mixture is then compressed in the next stage, raising its temperature and pressure. The power process follows, where the spark plug ignites the compressed mixture, causing a rapid expansion and a resulting increase in pressure. This expansion exerts force on the piston, converting the internal energy of the gas into mechanical work, which is used to propel the vehicle. Lastly, the exhaust process occurs as the remaining exhaust gases are expelled from the cylinder during the piston's upward movement.
The Otto cycle is known for its high thermal efficiency and power output compared to other cycles. It occurs over two complete revolutions of the crankshaft or four strokes of the piston (intake, compression, power, exhaust). The cycle operates on the principles of the ideal gas law and assumes certain ideal conditions, such as constant specific heats and perfect mixing of fuel and air.
In summary, the Otto cycle is a fundamental thermodynamic cycle used in spark-ignition engines, responsible for the conversion of chemical energy into mechanical work. It encompasses four processes and plays a crucial role in the operation of modern automobiles and other internal combustion engines.
Common Misspellings for OTTO CYCLE
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Etymology of OTTO CYCLE
The term "Otto cycle" is derived from the name of its inventor, Nikolaus Otto. Nikoluaus Otto was a German engineer who developed the four-stroke internal combustion engine, commonly known as the Otto engine, in the 1860s. The Otto cycle refers to the thermodynamic cycle used by this type of engine. The cycle consists of four processes: intake, compression, combustion, and exhaust, which are necessary for the operation of the engine. Since Otto was the one who first introduced this cycle and pioneered its usage in internal combustion engines, it was named after him.
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