compression ignition


compression ignition
noun
: ignition in an internal-combustion engine in which the necessary high temperature is produced by compressing air in the cylinder before admission of the fuel (as in a diesel engine)

compression-ignition engine

* * *

compression-ignition, adj.
ignition of engine fuel by the heat of air compressed in the cylinders into which the fuel is introduced.
[1925-30]

Useful english dictionary. 2012.

Look at other dictionaries:

  • compression ignition — compression ignition, adj. ignition of engine fuel by the heat of air compressed in the cylinders into which the fuel is introduced. [1925 30] * * * …   Universalium

  • compression ignition — combustion of a fuel air mixture without spark. In the diesel engine, air is drawn into the cylinder and compressed to a temperature sufficiently high that fuel oil injected at the end of the compression stroke burns in the cylinder without a… …   Dictionary of automotive terms

  • compression-ignition engine — noun An internal combustion engine in which ignition of the liquid fuel injected into the cylinder is performed by the heat of compression of the air charge • • • Main Entry: ↑compress …   Useful english dictionary

  • Homogeneous charge compression ignition — Thermodynamics …   Wikipedia

  • Homogeneous Charge Compression Ignition — Homogeneous Charge Compression Ignition, or HCCI, is a form of internal combustion in which well mixed fuel and oxidizer (typically air) are compressed to the point of auto ignition. As in other forms of combustion, this exothermic reaction… …   Wikipedia

  • Homogeneous charge compression ignition — Moteur HCCI Pour les articles homonymes, voir HCCI. Le moteur Homogeneous Charge Compression Ignition, ou HCCI, est un type de moteur à combustion interne dans lequel le mélange air carburant est mélangé de la manière la plus homogène possible… …   Wikipédia en Français

  • Homogeneous Charge Compression Ignition — Homogene Kompressionszündung (engl.: Homogeneous Charge Compression Ignition, abgekürzt: HCCI, oder Controlled Auto Ignition, abgekürzt CAI) bezeichnet das Konzept für einen Motor, bei dem die Verbrennung eines homogenen Gemisches gleichzeitig im …   Deutsch Wikipedia

  • Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

  • ignition — A process which initiates the combustion of the compressed air/fuel mixture in the combustion chamber. In a spark ignition engine, the mixture is ignited by an electric spark; in a diesel engine, the self igniting mixture must be preheated by… …   Dictionary of automotive terms

  • Ignition timing — in an internal combustion engine is the process of setting the time that a spark will occur in the combustion chamber (during the power stroke) relative to piston position and crankshaft angular velocity. Setting the correct ignition timing is… …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.