Fuel property impacts on gaseous and PM emissions from a multi-mode single-cylinder engine

Park, Yensil; Moses-DeBusk, Melanie; Powell, Tommy; Szybist, James P.; Xiang, Zhanhong; Zhu, Junqing; McEnally, Charles S.; Pfefferle, Lisa D.

doi:10.1016/j.fuel.2022.125641

Cited by 5 publications

(3 citation statements)

References 58 publications

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“…As the number of carbons in the HC species increases, it becomes more difficult for an in-line FTIR to distinguish and quantify them due to an overlap of C-H stretching frequencies between similar species [15]. Recent reports, however, have shown FTIR to be effective at delivering a good representation of the functional distribution of HC emissions from gasoline-range combustion strategies [16,17]. Since this MDHD multimode study used diesel-range fuels, a standard diesel FTIR (d-FTIR) method was used for the analysis.…”

Section: Hc Emission Speciationmentioning

confidence: 99%

“…Low-temperature combustion (LTC) strategies maintain high engine efficiency while decreasing engine emissions, making them promising combustion solutions in an eclectic portfolio for reducing GHGs. Significant LTC advancements have been made over the last Energies 2023, 16, 5735 2 of 15 two decades, but extending the operational range to high loads has been a major challenge. Homogeneous charge compression ignition (HCCI) combustion has been well documented in the literature to significantly lower engine emissions while maintaining high thermal efficiency [5,6], but controlling its combustion phasing is difficult due to the impact of chemical kinetics on combustion timing.…”

Section: Introductionmentioning

confidence: 99%

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Impact of Biofuel Blending on Hydrocarbon Speciation and Particulate Matter from a Medium-Duty Multimode Combustion Strategy

Park,

Moses-DeBusk,

Sluder

et al. 2023

Energies

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The U.S. Department of Energy’s Co-Optima initiative simultaneous focused on diversifying fuel sources, improving efficiency, and reducing emissions through using novel combustion strategies and sustainable fuel blends. For medium-duty/heavy-duty diesel engines, research in this area has led to the development of a multimode strategy that uses premixed charge compression ignition (PCCI) at low loads and conventional diesel combustion (CDC) at mid–high loads. The aim of this study was to understand how emissions were impacted when using PCCI instead of CDC at low loads and switching to an oxygenated biofuel blend. It provides a detailed speciation of the hydrocarbon (HC) and particulate matter (PM) emissions from a multimode medium-duty engine operating at low loads in PCCI and CDC modes and high loads in CDC. The effect of the oxygenated biofuel blend on emissions was studied at all three mode–load conditions using #2 ULSD and a bio-derived fuel (25% hexyl hexanoate (HHN)) blended in #2 ULSD. The PCCI mode effectively decreased NOx, total HC, and PM/PN emissions, with a substantial decrease in larger particles (≥50 nm). A PM/PN reduction was observed at high loads with the 25% HHN fuel. While the total HC emissions were not impacted by fuel type, the detailed HC analysis exposed changes in the HC’s composition.

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Section: Hc Emission Speciationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Impact of Biofuel Blending on Hydrocarbon Speciation and Particulate Matter from a Medium-Duty Multimode Combustion Strategy

Park,

Moses-DeBusk,

Sluder

et al. 2023

Energies

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“…CO2 merupakan gas polutif yang dihasilkan dari reaksi pembakaran. Konsentrasi CO2 yang tinggi biasanya dihasilkan dari pembakaran bahan bakar fosil seperti minyak bumi dan batubara [29] . Emisi CO2 biogas menurun seiring bertambahnya pembebanan mesin.…”

Section: Emisi Gas Buangunclassified

Studi Eksperimental Generator Elektrik Berbahan Bakar Biogas Guna Mendukung Net Zero Emission (Nze)

Negara,

Mulawarman,

Santosa

et al. 2023

JRM

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Indonesia is a country that has large, widespread and diverse renewable energy potential that can support energy transition and achieve net zero emission (NZE) target by 2060 or sooner. This paper aimed to investigate characteristics of exhaust emissions and consumption fuel of biogas-fuelled electric generator. The biogas used comes from organic cow dung through an anaerobic fermentation process. About 40% vol. CH4 content observed in biogas. A 420 CC of single cylinder generator was used in this study. Based on the results, it can be seen that biogas exhaust CO emissions are relatively lower than gasoline. CO emissions are directly proportional to the electric load. The lowest CO2 emission was obtained at 4,7 % for biogas with 300 W electric load and 8,4 % for gasoline which is the highest emission. The concentration of hydrocarbons was observed to be 20 ppm for biogas while 64 ppm for gasoline with 300 W electric load. For the fuel consumption, biogas obtained relatively higher results than gasoline for each electric load.

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Experimental study for the effect of spark ignition on methanol/PODE dual fuel combustion under medium and low loads

Wang,

Su,

et al. 2024

Energy

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Fuel property impacts on gaseous and PM emissions from a multi-mode single-cylinder engine

Cited by 5 publications

References 58 publications

Impact of Biofuel Blending on Hydrocarbon Speciation and Particulate Matter from a Medium-Duty Multimode Combustion Strategy

Impact of Biofuel Blending on Hydrocarbon Speciation and Particulate Matter from a Medium-Duty Multimode Combustion Strategy

Studi Eksperimental Generator Elektrik Berbahan Bakar Biogas Guna Mendukung Net Zero Emission (Nze)

Experimental study for the effect of spark ignition on methanol/PODE dual fuel combustion under medium and low loads

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