A Robust Preignition Rating Methodology: Evaluating the Propensity to Establish Propagating Flames under Real Engine Conditions Aramco Research Center

Format:

Conference/Event

Author/Creator:

Yu, Yu, author.

Contributor:

Chapman, Elana

Costanzo, Vincent

Davis, Richard

Conference Name:

International Powertrains, Fuels & Lubricants Meeting (2017-10-16 : Beijing, China)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2017

Summary:

AbstractIn this work, an experimental and analysis methodology was developed to evaluate the preignition propensity of fuels and engine operating conditions in an SI engine. A heated glow plug was introduced into the combustion chamber to induce early propagating flames. As the temperature of the glowplug varied, both the fraction of cycles experiencing these early flames and the phasing of this combustion in the engine cycle varied. A statistical methodology for assigning a single-value to this complex behavior was developed and found to have very good repeatability. The effects of engine operating conditions and fuels were evaluated using this methodology. While this study is not directly studying the so-called stochastic preignition or low-speed preignition problem, it studies one aspect of that problem in a very controlled manner

Notes:

Vendor supplied data

Publisher Number:

2017-01-2241

Access Restriction:

Restricted for use by site license