Lecture
Thermal Machines: Otto Engine
Description
This lecture covers the history and operation of the first internal combustion engines, focusing on the Beau de Rochas cycle and the Otto engine. It explains the four-stroke and two-stroke engines, detailing the processes of intake, compression, combustion, expansion, and exhaust. The efficiency of the Otto engine is discussed in relation to the compression ratio, with comparisons to the Carnot cycle. The importance of preventing autoignition by using high octane fuel and additives is also highlighted.
Official source
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