What is Engine Displacement?

1 Answers
MacJoshua
07/29/25 8:31pm
Engine displacement refers to the volume of fluid inhaled or expelled per stroke or per cycle. Below are related explanations: 1. Structural parameter: Displacement is a crucial structural parameter that comprehensively measures the size of an engine. The performance indicators of an engine are closely related to its displacement. Generally, the larger the engine displacement, the higher the power output. Unit displacement is commonly used as a basis for evaluating the size of different engines. 2. Single-cylinder displacement: The product of single-cylinder displacement Vh and the number of cylinders I. The cylinder working volume refers to the gas volume swept by the piston from top dead center to bottom dead center, also known as single-cylinder displacement, which depends on the cylinder bore and piston stroke.
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