Large Eddy Simulation of the Flow and Mixing Field in an Internal Combustion Engine Vom Fachbereich Maschinenbau an der Technischen Universität Darmstadt zur Erlangung des Grades eines Doktor-Ingenieurs (Dr.-Ing.) genehmigte D i s s e r t a t i o n vorgelegt von M.Sc. Dmitry Goryntsev aus Sankt Petersburg (Russische Föderation) Berichterstatter: Prof. Dr.-Ing. Johannes Janicka Mitberichterstatter: Prof. Dr. rer. nat. Michael Schäfer Tag der Einreichung: 06.11.2007 Tag der mündlichen Prüfung: 18.12.2007 Darmstadt 2007 D 17 Acknowledgements The present work has been carried out for the last five years during my scientific fellowship at the Institute of Energy and Powerplant Technology (EKT), Darmstadt University of Technology. First of all I would like to express my sincere gratitude to the head of the Institute and my supervisor Prof. Dr.-Ing. Johannes Janicka for his excellent guidance, interminable enthusiasm, constant helpful advice, precious discussions and encouragement during the whole period of my scientific research at Darmstadt University. I also would like to thank him for the chance to work in his team, to take part in numerous conferences where I had the possibility to present my scientific results, to obtain a doctoral degree at his institute and to get acquainted with the world of IC-engines. I wish to thank Prof. Dr. rer. nat. Amsini Sadiki and Dr. rer.