Different hybrid powertrains for an European mid-size passenger car were evaluated in this paper through numerical simulation. Different degrees of hybridizations, from micro to mild hybrids, and different architectures and power sources management strategies were taken into account, in order to obtain a preliminary assessment of the potentialities of different hybrid systems for the European passenger car market. Both diesel and gasoline internal combustion engines were considered: a 1.6 dm3 Common Rail turbocharged diesel, and a 1.4 dm3 spark ignition turbocharged engine, equipped with an innovative Variable Valve Actuation system. Diesel hybrid powertrains, although being subject to NOx emissions constraints that could jeopardize their benefits, offered substantial advantages in comparison with gasoline hybrid powertrains. Potentialities for fuel consumption reductions up to 25% over the NEDC were highlighted, approaching the 2020 EU 95 g/km CO2 target.

A Comparison Between Different Hybrid Powertrain Solutions for an European Mid-Size Passenger Car / Millo, Federico; Badami, Marco; Lavarino, Gabriele; Rolando, Luciano; Ferraro, Carlo Vincenzo. - In: SAE TECHNICAL PAPER. - ISSN 0148-7191. - (2010). ((Intervento presentato al convegno SAE 2010 World Congress & Exhibition tenutosi a Detroit, MI, USA nel April 2010 [10.4271/2010-01-0818].

A Comparison Between Different Hybrid Powertrain Solutions for an European Mid-Size Passenger Car

MILLO, Federico;BADAMI, Marco;LAVARINO, GABRIELE;ROLANDO, LUCIANO;FERRARO, Carlo Vincenzo
2010

Abstract

Different hybrid powertrains for an European mid-size passenger car were evaluated in this paper through numerical simulation. Different degrees of hybridizations, from micro to mild hybrids, and different architectures and power sources management strategies were taken into account, in order to obtain a preliminary assessment of the potentialities of different hybrid systems for the European passenger car market. Both diesel and gasoline internal combustion engines were considered: a 1.6 dm3 Common Rail turbocharged diesel, and a 1.4 dm3 spark ignition turbocharged engine, equipped with an innovative Variable Valve Actuation system. Diesel hybrid powertrains, although being subject to NOx emissions constraints that could jeopardize their benefits, offered substantial advantages in comparison with gasoline hybrid powertrains. Potentialities for fuel consumption reductions up to 25% over the NEDC were highlighted, approaching the 2020 EU 95 g/km CO2 target.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2361829
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