|Title:||Analysis of Mixture Formation Process in a Diesel Engine with Post Injection|
|Authors:||Horibe, Naoto https://orcid.org/0000-0002-7126-2986 (unconfirmed)|
Kawanabe, Hiroshi https://orcid.org/0000-0002-9525-4841 (unconfirmed)
|Author's alias:||堀部, 直人|
|Journal title:||SAE Technical Papers|
|Abstract:||A series of experiments was conducted using a single-cylinder small-bore (85 mm) diesel engine to investigate the smoke-reduction effect of post injection by varying the number of injection nozzle orifices and the injection pressure. The experiments were performed under a constant injection quantity condition and under a fixed NOx emission condition. The results indicated that the smoke emission of six-hole, seven-hole, and eight-hole nozzles decreased for advanced post injection, except that the smoke emission of the 10-hole nozzle increased as the post injection was advanced from a moderately late timing around 17° ATDC. However, the smoke emission of the 10-hole nozzle with a higher injection pressure decreased for advanced post injection. These trends were explained considering the influence of the main-spray flames on post sprays based on CFD simulation results.|
|Description:||JSAE/SAE 2015 International Powertrains, Fuels & Lubricants Meeting|
|Rights:||This is the accepted manuscript of the article, which has been published in final form at https://doi.org/10.4271/2015-01-1836.|
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|Appears in Collections:||Journal Articles|
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