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Ionization In Diesel Combustion: Mechanism, New Instrumentation And Engine Applications, Fadi Estefanous
Ionization In Diesel Combustion: Mechanism, New Instrumentation And Engine Applications, Fadi Estefanous
Wayne State University Dissertations
Diesel engines are known for their superior fuel economy and high power density. However they emit undesirable high levels of nitrogen oxide (NOx) and black particulate smoke (Soot). To reduce these emissions, close loop engine control strategies are required. Therefore, there is a need for an in-cylinder combustion sensor. The ion current sensor has been used for combustion sensing in gasoline engines for which ionization mechanisms have been developed. This is not the case in diesel engines.
In this dissertation, a new mechanism for ionization in diesel engines has been developed and experimentally validated. Moreover, a three dimensional model has …