The Response of a Closed Loop Controlled Diesel Engine on Fuel Variation

2008-01-2471

10/06/2008

Event
Powertrains, Fuels and Lubricants Meeting
Authors Abstract
Content
An investigation was conducted to elucidate, how the latest turbocharged, direct injection Volkswagen diesel engine generation with cylinder pressure based closed loop control, to be launched in the US in 2008, reacts to fuel variability. A de-correlated fuels matrix was designed to bracket the range of US market fuel properties, which allowed a clear correlation of individual fuel properties with engine response. The test program consisting of steady state operating points showed that cylinder pressure based closed loop control successfully levels out the influence of fuel ignition quality, showing the effectiveness of this new technology for markets with a wide range of fuel qualities. However, it also showed that within the cetane range tested (39 to 55), despite the constant combustion mid-point, cetane number still has an influence on particulate and gaseous emissions. Volatility and energy density also influence the engine's behavior, but less strongly.
Meta TagsDetails
DOI
https://doi.org/10.4271/2008-01-2471
Pages
11
Citation
Liebig, D., Krane, W., Ziman, P., Garbe, T. et al., "The Response of a Closed Loop Controlled Diesel Engine on Fuel Variation," SAE Technical Paper 2008-01-2471, 2008, https://doi.org/10.4271/2008-01-2471.
Additional Details
Publisher
Published
Oct 6, 2008
Product Code
2008-01-2471
Content Type
Technical Paper
Language
English