The Department of Mechanical and Civil Engineering (DIMeC) of the University of Modena and Reggio Emilia is developing a new type of small capacity HSDI 2-Stroke Diesel engine, featuring a specifically designed combustion system. The present paper is focused on the analysis of the scavenging process, carried out by means of 3D-CFD simulations, supported by 1D engine cycle calculations.First, a characterization of the flow through the ports and within the cylinder is performed under conventional operating conditions. Then, a complete 3D cycle simulation, including combustion, is carried out at four actual operating conditions, at full load.The CFD results provide fundamental information to address the development of the scavenging system, as well as to calibrate a comprehensive 1D engine model.
Multidimensional Cycle Analysis on a Novel 2-Stroke HSDI Diesel Engine / Mattarelli, Enrico; Fontanesi, Stefano; Gagliardi, Vincenzo; Malaguti, Simone. - In: SAE TECHNICAL PAPER. - ISSN 0148-7191. - ELETTRONICO. - SP-2125:(2007), pp. 1-16. (Intervento presentato al convegno SAE2007 World Congress tenutosi a Detroit, MI, usa nel Aprile 2007) [10.4271/2007-01-0161].
Multidimensional Cycle Analysis on a Novel 2-Stroke HSDI Diesel Engine
MATTARELLI, Enrico;FONTANESI, Stefano;GAGLIARDI, Vincenzo;MALAGUTI, Simone
2007
Abstract
The Department of Mechanical and Civil Engineering (DIMeC) of the University of Modena and Reggio Emilia is developing a new type of small capacity HSDI 2-Stroke Diesel engine, featuring a specifically designed combustion system. The present paper is focused on the analysis of the scavenging process, carried out by means of 3D-CFD simulations, supported by 1D engine cycle calculations.First, a characterization of the flow through the ports and within the cylinder is performed under conventional operating conditions. Then, a complete 3D cycle simulation, including combustion, is carried out at four actual operating conditions, at full load.The CFD results provide fundamental information to address the development of the scavenging system, as well as to calibrate a comprehensive 1D engine model.File | Dimensione | Formato | |
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