What does top dead center mean?
Definitions for top dead center
top dead cen·ter
This dictionary definitions page includes all the possible meanings, example usage and translations of the word top dead center.
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Wiktionary
top dead centernoun
A position in the four-stroke combustion process wherein the piston is at the topmost point in its stroke. This can either be during the compression phase or the combustion phase.
top dead centernoun
The reference mark on a flywheel (and engine block) indicating the engine is in the top dead center position, when aligned.
Wikipedia
top dead center
In a reciprocating engine, the dead centre is the position of a piston in which it is either farthest from, or nearest to, the crankshaft. The former is known as Top Dead Centre (TDC) while the latter is known as Bottom Dead Centre (BDC). More generally, the dead centre is any position of a crank where the applied force is straight along its axis, meaning no turning force can be applied. Many sorts of machines are crank driven, including unicycles, bicycles, tricycles, various types of machine presses, gasoline engines, diesel engines, steam locomotives, and other steam engines. Crank-driven machines rely on the energy stored in a flywheel to overcome the dead centre, or are designed, in the case of multi-cylinder engines, so that dead centres can never exist on all cranks at the same time. A steam locomotive is an example of the latter, the connecting rods being arranged such that the dead centre for each cylinder occurs out of phase with the other one (or more) cylinders.
Numerology
Chaldean Numerology
The numerical value of top dead center in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of top dead center in Pythagorean Numerology is: 4
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"top dead center." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/top+dead+center>.
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