compression stroke


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compression stroke

[kəm′presh·ən ‚strōk]
(mechanical engineering)
The phase of a positive displacement engine or compressor in which the motion of the piston compresses the fluid trapped in the cylinder.
References in periodicals archive ?
Diesel fuel is introduced directly into the combustion chamber near the end of compression stroke and is used to ignite a lean mixture of natural gas and air (i.
The key is injecting partially premixed fuel very late in the compression stroke and performing the injections multiple times.
Once it is in the press, the mold will close at high speed, enabling the material to be released from the shuttle as it progresses through its compression stroke.
Finally, the ICM experiments were conducted using different processing conditions by varying the mold and melt temperatures, compression stroke and switchover time from injection to compression stage.
With such a phenomenon, in ICE cylinders at the end of compression stroke the fuel combustion processes are sluggish, the engine start-up characteristics become worse, the engine operating is more noisy, gas temperature at the end of the combustion cycle and during the expansion cycle are higher.
Miller Cycle operation of any reciprocating internal combustion engine, whether the engine is split-cycle or conventional, necessitates the engine be configured in such a way that the gas is expanded more during the expansion stroke than it is compressed during the compression stroke.
Gaseous fuel is mixed with air prior to the intake process, while diesel fuel is injected at the end of the compression stroke to ignite the air-biogas mixture (Bedoya et.
So when the compression ratio increased, molecules of air get more closer and pressure as well as temperature increases in the compression stroke.
Lind has developed a control process based on converting the compression stroke without interruption into the injection stroke, accurately taking into account both melt compression and machine deformation.
The coil feedback can also be used to synchronize the controller to the compression stroke and thus eliminate the need for a camshaft sensor as all other systems must use on a four-stroke engine with crankshaft referenced ignition.
The main press head starts its compression stroke and pushes the material into the baling chamber.
Whether it is performance power for heavy-duty diesel vehicles or generating power from stationary diesel engines, Clean Air Power's customers benefit from cost-efficient solutions that dramatically reduce emissions to meet strict guidelines while maintaining the power and efficiency of a compression stroke engine.