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http://dx.doi.org/10.15435/JILASSKR.2022.27.2.101

Analysis on Performance and Emission with Different Diesel Injection Methods in a Dual-Fuel Engine  

Park, Hyunwook (한국기계연구원 모빌리티동력연구실)
Lee, Junsun (한국기계연구원 모빌리티동력연구실)
Oh, Seungmook (한국기계연구원 모빌리티동력연구실)
Kim, Changup (한국기계연구원 모빌리티동력연구실)
Lee, Yonggyu (한국기계연구원 모빌리티동력연구실)
Jang, Hyungjoon (한국기계연구원 모빌리티동력연구실)
Publication Information
Journal of ILASS-Korea / v.27, no.2, 2022 , pp. 101-108 More about this Journal
Abstract
Performance and emissions with different diesel injection methods were analyzed in a natural gas-diesel, dual-fuel engine under low-load conditions. Natural gas was supplied to intake port during the intake stoke to form a natural gas-air premixed mixture for all methods. Diesel was injected directly into the cylinder during the compression stroke in three ways: early injections, late injections, and a combination of early and late injections. The early injections had the highest thermal efficiency among the three methods owing to its highest combustion efficiency. The wide dispersion of diesel before the combustion initiation also allowed superior emissions characteristics.
Keywords
Dual fuel; Natural gas; Diesel; Injection method; Combustion efficiency; Methane emission;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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