The research about engine optimization and emission characteristic of dual fuel engine fueled with natural gas and diesel

Ocktaeck Lim, Norimasa Iida, Gyubaek Cho, Jamsran Narankhuu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

CNG/Diesel dual-fuel engine is using CNG as a main fuel, and injects diesel only a little as an ignition priming. In this study, remodeling a existing diesel engine into dual-fuel engine that can injects diesel with high pressure by CRDI (Common Rail Direct Injection), and injecting CNG at intake port for premixing. The results show that CNG/Diesel dual-fuel engine satisfied coordinate torque and power with conventional diesel engine. And CNG alternation rate is over 89% in all operating range of CNG/diesel dual-fuel engine. PM emission is lower 94% than diesel engine, but NOx emission is higher than diesel engine. The output of dual fuel mode is 95% by the diesel mode. At this time, amount of CO2 and PM are decreased while CO, NOx, and THC are increased. In NEDC mode, exhaust gases except NOx are decreased.

Original languageEnglish
Title of host publicationSAE Technical Papers
Volume4
DOIs
Publication statusPublished - 2012
Event2012 Small Engine Technology Conference and Exhibition, SETC 2012 - Madison, WI, United States
Duration: 2012 Oct 162012 Oct 18

Other

Other2012 Small Engine Technology Conference and Exhibition, SETC 2012
CountryUnited States
CityMadison, WI
Period12/10/1612/10/18

Fingerprint

Dual fuel engines
Diesel engines
Natural gas
Engines
Direct injection
Exhaust gases
Ignition
Rails
Torque

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

Cite this

The research about engine optimization and emission characteristic of dual fuel engine fueled with natural gas and diesel. / Lim, Ocktaeck; Iida, Norimasa; Cho, Gyubaek; Narankhuu, Jamsran.

SAE Technical Papers. Vol. 4 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lim, O, Iida, N, Cho, G & Narankhuu, J 2012, The research about engine optimization and emission characteristic of dual fuel engine fueled with natural gas and diesel. in SAE Technical Papers. vol. 4, 2012 Small Engine Technology Conference and Exhibition, SETC 2012, Madison, WI, United States, 12/10/16. https://doi.org/10.4271/2012-32-0008
Lim, Ocktaeck ; Iida, Norimasa ; Cho, Gyubaek ; Narankhuu, Jamsran. / The research about engine optimization and emission characteristic of dual fuel engine fueled with natural gas and diesel. SAE Technical Papers. Vol. 4 2012.
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abstract = "CNG/Diesel dual-fuel engine is using CNG as a main fuel, and injects diesel only a little as an ignition priming. In this study, remodeling a existing diesel engine into dual-fuel engine that can injects diesel with high pressure by CRDI (Common Rail Direct Injection), and injecting CNG at intake port for premixing. The results show that CNG/Diesel dual-fuel engine satisfied coordinate torque and power with conventional diesel engine. And CNG alternation rate is over 89{\%} in all operating range of CNG/diesel dual-fuel engine. PM emission is lower 94{\%} than diesel engine, but NOx emission is higher than diesel engine. The output of dual fuel mode is 95{\%} by the diesel mode. At this time, amount of CO2 and PM are decreased while CO, NOx, and THC are increased. In NEDC mode, exhaust gases except NOx are decreased.",
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