Compression ratio: Difference between revisions
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The ratio (greater than unity) of the volumes of the spaces within a cylinder enclosed by the extreme positions of the piston. | The ratio (greater than unity) of the volumes of the spaces within a cylinder enclosed by the extreme positions of the piston. | ||
Latest revision as of 08:28, 17 September 2026
The ratio (greater than unity) of the volumes of the spaces within a cylinder enclosed by the extreme positions of the piston.
Note 1: The closed extreme position of the piston is called top dead centre.
Note 2: A higher compression ratio produces a larger power output for a given fuel consumption.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
