Characterization of the Combustion in a Direct Injection Spark Ignition Engine

Katharina Schänzlin; Thomas Koch; Konstantinos Boulouchos

doi:10.4271/2002-01-0834

2002-03-04

Characterization of the Combustion in a Direct Injection Spark Ignition Engine 2002-01-0834

The physical behavior of the combustion process in a jet-guided direct injection spark ignition engine has been investigated with three different measurement techniques. These are flame visualization by use of endoscopy, ion-current sensing at 16 different locations in the combustion chamber and the estimation of the flame temperature as well as soot concentration based on multi-wavelength-pyrometry.

The results of all these measurement techniques are in good agreement between each other and give a coherent picture of the physical behavior of the combustion process and make it possible to characterize the main influence parameters on combustion. This serves as a basis for validation and improvement of simulation tools for the engine thermodynamics and combustion.

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Characterization of the Combustion in a Direct Injection Spark Ignition Engine 2002-01-0834

SAE MOBILUS