Coupling of a KERS powertrain and a 4 litre gasoline engine for improved fuel economy in a full size car

Parker, A 2010, 'Coupling of a KERS powertrain and a 4 litre gasoline engine for improved fuel economy in a full size car', in Proceedings of SAE 2010 Power trains, Fuels and Lubricants Meeting, San Diego, USA, 25-27 October 2010, pp. 1-10.


Document type: Conference Paper
Collection: Conference Papers

Title Coupling of a KERS powertrain and a 4 litre gasoline engine for improved fuel economy in a full size car
Author(s) Parker, A
Year 2010
Conference name SAE 2010 Powertrains Fuels & Lubricants Meeting
Conference location San Diego, USA
Conference dates 25-27 October 2010
Proceedings title Proceedings of SAE 2010 Power trains, Fuels and Lubricants Meeting
Publisher SAE International
Place of publication USA
Start page 1
End page 10
Total pages 10
Abstract Improvements of vehicle fuel economy are being considered using a mechanically driven flywheel to reduce the amount of mechanical energy produced by the thermal engine recovering the vehicle kinetic energy during braking. A mechanical system having an overall efficiency over a full regenerative cycle of about 70%, about twice the efficiency of battery-based hybrids, is coupled to a naturally aspirated gasoline engine powering a full size sedan. Results of chassis dynamometer experiments and engine and vehicle simulations are used to evaluate the fuel benefits introducing a kinetic energy recovery system and downsizing of the engine. Preliminary results running the new European driving cycle (NEDC) show KERS may reduce fuel consumption by 25% without downsizing, and 33% with downsizing of the 4 litre engine to 3.3 litres.
Subjects Automotive Combustion and Fuel Engineering (incl. Alternative/Renewable Fuels)
Keyword(s) Powertrain
KERS
4 litre gasoline engine
fuel economy
DOI - identifier 10.4271/2010-01-2218
Copyright notice © 2010 SAE International
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