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Performance and emissions of a heavy-duty diesel engine fuelled with diesel and LNG (liquid natural gas)
- Performance and emissions of a heavy-duty diesel engine fuelled with diesel and LNG (liquid natural gas)
- Cheenkachorn, Kraipat; Poompipatpong, Chedthawut; Ho, Choi Gyeung
- DGIST Authors
- Ho, Choi Gyeung
- Issue Date
- Energy, 53, 52-57
- Article Type
- Carbon Dioxide; Carbon Monoxide; Diesel Engine; Diesel Engines; Dual-Fuel Operation; Dual Fuel Engines; Emission Inventory; Emissions; Energy Efficiency; Engine Performance; Fuel Consumption; Heavy-Duty Diesel Engine; Liquefied Natural Gas; Liquids; Modified Diesel Engine; Natural Gas; Nitrogen Oxides; Particulate Emissions; Performance and Emissions; Performance Assessment; Specific Fuel Consumption; Thermal Efficiency; Torque; Total Hydrocarbons; Volumetric Efficiency
- This paper presents the effects of liquid natural gas on a heavy-duty diesel engine. Natural gas was used as primary fuel, while a pilot amount of diesel was used as an ignition source. The amount of each fuel was adjusted to obtain comparable brake torque and power output from the dual engine operation, while no knocking was observed. The engine performance and emissions from the diesel and dual fuel engine tests were conducted over the engine speed range between 1100 and 1900 rpm. The engine performance included torque, power, specific fuel consumption (SFC), volume efficiency, and thermal efficiency. The emissions tested were total hydrocarbon (THC), nitrogen oxides (NOx), carbon dioxide (CO2) and carbon monoxide (CO) emissions. The results showed that the maximum portion of natural gas in the dual fuel engine operation was up to 77.90% at 1300 rpm. Compared to the diesel operation, the dual fuel operation showed less specific fuel consumption, thermal efficiency, and volumetric efficiency. The emissions of THC and CO from the dual fuel engine operation were higher, while the emissions of NOx and CO2 were lower. © 2013 Elsevier Ltd.
- Elsevier Ltd
- Related Researcher
Clean Gas Energy (CNG; Hydrogen) Technology for the Heavy Duty Engine; Gas Energy Injection Control Technology and Air Pollution Control Technology
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