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Improved Experimental Agreement of Ionization and Pressure Peak Location by Adding a Dynamical NO-Model
Linköping University, Department of Electrical Engineering.
2004 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Förbättrad experimentell överenstämmelse med jonström- och trycktoppsläge genom införande av en dynamisk NO-modell (Swedish)
Abstract [en]

Modelling combustion engines is an important tool in engine research. Development and modelling of ionization current has potential in developing virtual pressure sensors based on ionization measurements. Previous models has problem when predicting the true relationshipbetween the pressure peak location and ionization peak location, and both too early and too late predictions has been observed. An explanation for these discrepancies are provided and a model where the experimental mismatch has been reduced to less than one CAD is also presented. This is well within the measurement uncertainty.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2004. , 50 p.
LiTH-ISY-Ex, 3554
Keyword [en]
Technology, zonal models, combustion, ionization current, experimental verification, sensitivity analysis, dynamical NO-models
Keyword [sv]
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-2462OAI: diva2:19794
Available from: 2004-07-12 Created: 2004-07-12

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