Methods to Investigate the Importance of eFuel Properties for Enhanced Emission and Mixture Formation Dr. Ing. h.c. F. Porsche AG

Format:

Book

Conference/Event

Author/Creator:

Villforth, Jonas, author.

Contributor:

Bargende, Michael

Chiodi, Marco

Cupo, Francesco

Deeg, Hans-Peter

Kulzer, Andre Casal

Rossi, Edoardo

Vacca, Antonino

Conference Name:

15th International Conference on Engines & Vehicles (2021-09-12 : Capri, Italy)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2021

Summary:

Synthetic fuels from renewable energy sources can be a significant contribution on the roadmap to sustainable mobility. Porsche sees electro mobility as top priority, but eFuels produced by renewable electricity are a reasonable addition to support the defossilization of the transportation sector. In addition to the sustainability aspect, the composition and properties of eFuels can be optimized via the synthetic fuel production path. The use of optimized fuel formulations has a direct influence on combustion and emission behavior. The latter is one main focus of the development of internal combustion engines in the wake of constantly tightening emissions legislation.The increasingly established restrictions on vehicles with internal combustion engines require the reduction of criteria emissions. Particulate matter emissions are among other the focus of criticism. The composition and properties of fuels can reduce particulate emissions and the formation of unburned hydrocarbons to a high degree. The emission formation of these is highly dependent on the spray and mixture formation. In this work, the investigations focus on the influence of fuel properties on emission formation. For this purpose, statistical models were trained using experimental data from a research single-cylinder engine to identify the most important components and properties. In addition, the developed models can be used to predict emission behavior.The influence of fuel properties on spray and mixture formation behavior was experimentally investigated in a constant volume chamber through high-speed imaging and PDA technic. The experimental data, in addition to analyzing the behavior, were used for calibration of injection models.Good model and simulation quality was achieved using the developed methods. The acquired understanding of sensitivity and correlations can be applied to the optimization of fuel formulations. In addition to the gained knowledge, the injection models can serve as a basis for further engine simulations regarding mixture preparation, combustion quality and knock sensitivity

Notes:

Vendor supplied data

Publisher Number:

2021-24-0017

Access Restriction:

Restricted for use by site license