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

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An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion. / Ma, Xiao; Liu, Haoye; Li, Yanfei; Wang, Zhi; Xu, Hongming; Wang, Jian-Xin.

In: SAE Technical Paper 2015-01-0847, 14.04.2015.

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@article{59c59b363e14435f88144478764297a9,
title = "An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion",
abstract = "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.",
author = "Xiao Ma and Haoye Liu and Yanfei Li and Zhi Wang and Hongming Xu and Jian-Xin Wang",
year = "2015",
month = apr,
day = "14",
doi = "10.4271/2015-01-0847",
language = "English",
journal = "SAE Technical Papers",
issn = "0148-7191",
publisher = "SAE International",
note = "SAE 2015 World Congress and Exhibition ; Conference date: 21-04-2015 Through 23-04-2015",

}

RIS

TY - JOUR

T1 - An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion

AU - Ma, Xiao

AU - Liu, Haoye

AU - Li, Yanfei

AU - Wang, Zhi

AU - Xu, Hongming

AU - Wang, Jian-Xin

PY - 2015/4/14

Y1 - 2015/4/14

N2 - 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.

AB - 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.

U2 - 10.4271/2015-01-0847

DO - 10.4271/2015-01-0847

M3 - Article

JO - SAE Technical Papers

JF - SAE Technical Papers

SN - 0148-7191

M1 - 2015-01-0847

T2 - SAE 2015 World Congress and Exhibition

Y2 - 21 April 2015 through 23 April 2015

ER -