compression stroke

collocation in English

meaningsofcompressionandstroke

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withcompressionorstroke.
compression
noun[U]
uk
/kəmˈpreʃ.ən/us
/kəmˈpreʃ.ən/
the act of pressing something into a smaller space or putting pressure on it from different sides until it ...
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stroke
noun
uk
/strəʊk/us
/stroʊk/
a sudden change in the blood supply to a part of the brain, sometimes causing a loss of the ability to move particular parts of ...
See more atstroke

(Definition ofcompressionandstrokefrom theCambridge English Dictionary© Cambridge University Press)

Examplesofcompression stroke

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
As the piston initially moves upwards in what is traditionally thecompressionstroke, the charge is partially expelled back out through the still-open intake valve.
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In a reed valve engine the valve is drawn open by suction as the piston moves upward on thecompressionstroke.
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Thecompressionstrokeof the engine is the main compression that every engine has.
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The two vortices also remain independent layers throughout most of thecompressionstroke.
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Then thecompressionstrokestarts and the cycle repeats.
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The fuel is not injected at the intake stroke but rather at the latter stages of thecompressionstroke.
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As the charge compression was carried out by the more powerful firstcompressionstroke, a higher compression ratio was achieved, giving better efficiency.
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Mechanically this is the isentropic compression of the air/fuel mixture in the cylinder, also known as thecompressionstroke.
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Near the end of thecompressionstroke, the layers collapse into uniform minute turbulences, which effectively promote lean-burn characteristics.
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Vigorous ignition takes place only when sufficient oxygen is supplied to the hot bulb chamber on thecompressionstrokeof the engine.
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Thecompressionstrokeinvolved the two pistons approaching each other, and then the ignition stroke was subsequently triggered between them.
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Its timing is such that the fuel is injected only very slightly before top dead centre of that cylinder'scompressionstroke.
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Knocking is more or less unavoidable in diesel engines, where fuel is injected into highly compressed air towards the end of thecompressionstroke.
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Thecompressionstrokeis intended to compress the products before the flame ignites the mixture.
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It also closes the intake valves sooner on thecompressionstroke.
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About 50% of the air enters the swirl chamber during thecompressionstrokeof the engine, producing a swirl.
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On thecompressionstrokeof the piston, the fresh air is forced through the narrow neck and into the vapouriser.
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When starting from cold, the engine's combustion efficiency is reduced because the cold engine block draws heat out of the cylinder in thecompressionstroke.
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Parts of the fuel charge throughout the hot bulb would ignite at different times, often before the piston had completed thecompressionstroke.
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If the compression ratio is increased, the mixture may auto-ignite before thecompressionstrokeis complete, leading to engine knocking.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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