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Title: Selection of Injection Parameters for Various Engine Speeds in PCCI-Based Diesel Combustion with Multiple Injection
Authors: Horibe, Naoto  kyouindb  KAKEN_id  orcid (unconfirmed)
Tanaka, Hirokazu
Ishiyama, Takuji  kyouindb  KAKEN_id
Author's alias: 堀部, 直人
田中, 宏和
石山, 拓二
Issue Date: 30-Aug-2011
Publisher: SAE International
Journal title: SAE Technical Papers
Thesis number: 2011-01-1822
Abstract: The objective of this study is to obtain a strategy for adapting injection and exhaust gas recirculation (EGR) conditions to various engine speeds. An experimental study was conducted using a single-cylinder test engine and varying the injection timings of two-stage injection, the injection-quantity ratio, the EGR rate, and the swirl ratio at low (1300 rpm) and high (2300 rpm) engine speeds. When using base injection conditions, the results indicated that problems occurred for the high maximum pressure rise rate at low engine speed and the low thermal efficiency at high engine speed. At low engine speed, retarding the injection timings and increasing the first-injection quantity ratio reduced the maximum pressure rise rate without sacrificing engine performance. At high engine speed, advancing the injection timings improved the thermal efficiency but increased smoke emission. In addition to advancing the injection timings, a decrease of the first-injection quantity ratio reduced smoke emission.
Description: SAE International Powertrains, Fuels and Lubricants Meeting
Rights: This is the accepted manuscript of the article, which has been published in final form at
The full-text file will be made open to the public on 1 March 2012 in accordance with publisher's 'Terms and Conditions for Self-Archiving'
This is not the published version. Please cite only the published version.
DOI(Published Version): 10.4271/2011-01-1822
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