bottom dead center
"Bottom dead center" is a crucial concept in the operation and maintenance of piston engines, particularly for timing and alignment purposes.
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Definition
C1Engine Mechanics
(technical)The lowest point in the path of a piston in an internal combustion engine, occurring at the end of the intake and power strokes.
Example
- The mechanic adjusted the timing when the piston was at bottom dead center.
- At bottom dead center, the piston is furthest from the cylinder head.
C1Mechanical Engineering
(technical)The alignment position of the crankshaft when the piston is at its lowest point in the cylinder.
Example
- Mark the flywheel at bottom dead center to ensure proper alignment.
- Understanding bottom dead center is essential for engine assembly and maintenance.
Similar
Terms that have similar or relatively close meanings to "bottom dead center":
top dead centerbottom handbottom edgebottom outdead centerlower boundarybottom quark