An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion

2015-01-0847

04/14/2015

Event
SAE 2015 World Congress & Exhibition
Authors Abstract
Content
Stoichiometric dual-fuel compression ignition (SDCI) combustion has superior potential in both emission control and thermal efficiency. Split injection of diesel reportedly shows superiority in optimizing combustion phase control and increasing flexibility in fuel selection. This study focuses on split injection strategies in SDCI mode. The effects of main injection timing and pilot-to-total ratio are examined. Combustion phasing is found to be retarded in split injection when overmixing occurs as a result of early main injection timing. Furthermore, an optimised split injection timing can avoid extremely high pressure rise rate without great loss in indicated thermal efficiency while maintaining soot emission at an acceptable level. A higher pilot-to-total ratio always results in lower soot emission, higher combustion efficiency, and relatively superior ITE, but improvements are not significant with increased pilot-to-total ratio up to approximately 0.65.
Meta TagsDetails
DOI
https://doi.org/10.4271/2015-01-0847
Pages
6
Citation
Ma, X., Liu, H., Li, Y., Wang, Z. et al., "An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion," SAE Technical Paper 2015-01-0847, 2015, https://doi.org/10.4271/2015-01-0847.
Additional Details
Publisher
Published
Apr 14, 2015
Product Code
2015-01-0847
Content Type
Technical Paper
Language
English