Experimental study of biogas combustion in an HCCI engine for power generation with high indicated efficiency and ultra-low NOx emissions

Bedoya, Iván D.; Saxena, Samveg; Cadavid, Francisco; Dibble, Robert W.; Wissink, Martin

doi:10.1016/j.enconman.2011.08.016

Cited by 91 publications

(31 citation statements)

References 34 publications

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“…Mustafi and Raine [21] studied emissions from a dual fuel engine fuelled with NG and biogas; however, dual fuel combustion characteristics and their effects on emissions were not presented there. Recent efforts using biogas-biodiesel in dual fuel application are found in the references [22][23][24], or biogas application in HCCI engine [25]; where engine performance, combustion and emission characteristics are investigated. Although there are researches on the combustion and emission characteristics of biogas-diesel/biodiesel in dual-fuel concept, it is necessary to investigate into more detail the reduction characteristics of exhaust emissions and the combustion performance of the biogas-diesel dual-fuel engine in order to establish biogas as an alternative fuel for stationary older diesel engines.…”

Section: Introductionmentioning

confidence: 99%

Combustion and emissions characteristics of a dual fuel engine operated on alternative gaseous fuels

Mustafi

Raine

Verhelst

2013

Fuel

203

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Among the different efforts towards the reduction in pollutant emissions from direct injection (DI) diesel engines, the use of gaseous fuels as a partial supplement for diesel fuel has been proposed by many researchers. These engines are known as dual fuel engines. An experimental investigation was performed to investigate the influence of dual-fuel combustion on the performance and exhaust emissions of a DI diesel engine fueled with natural gas (NG) and biogas. In this work, the combustion pressure and the rate of heat release were evaluated experimentally in order to analyze the combustion characteristics and their effects on exhaust emissions including particulate matter (PM) for single-fuel (diesel) and dual fuel combustion modes. The use of NG as an alternative fuel is a promising solution.Biogas, on the other hand, is a renewable alternative fuel that has tremendous potential to be used in diesel engines especially in developing nations. Comparative results are presented revealing the effect of dual fuel combustion on engine performance and exhaust gaseous and PM emissions for the engine operating conditions considered in this study.

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Section: Introductionmentioning

confidence: 99%

Combustion and emissions characteristics of a dual fuel engine operated on alternative gaseous fuels

Mustafi

Raine

Verhelst

2013

Fuel

203

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“…The effects of charge temperature, boost pressure, and equivalence ratio were investigated by Bedoya et al [55] using a biogas fuelled 4-cylinder engine in HCCI mode. It was reported that higher inlet pressures and temperatures reduce the selfignition temperature and provide higher burning rates [56]. Jun and Iida [88] reported that increasing the in-cylinder temperature improves the combustion efficiency.…”

Section: Combustion Indicesmentioning

confidence: 99%

“…Bora et al [31] suggested increasing the compression ratio as a means to partially negate the reduction in brake thermal efficiency of the dual fuel mode. Simulated biogas is used by various researchers in dual fuel mode [56,[74][75][76]. Feroskhan and Ismail [77] used simulated biogas and reported that methane enrichment will enhance the brake thermal efficiency at low biogas flow rates.…”

Section: Performance Indicesmentioning

confidence: 99%

“…The effects of injection timing, intake charge temperature, and biogas energy ratio were studied. The best injection timing, intake charge temperature, and biogas energy ratio were found to be [55][56][57][58][59][60][61][62][63][64][65][66][67][68][69][70] o BTDC, 50 -90 o C. and 80%, respectively. By advancing the diesel injection timing, the homogeneity of the lean mixtures was enhanced.…”

Section: Combustion Indicesmentioning

confidence: 99%

“…The highest brake thermal efficiency in PPCCI mode was obtained with a biogas energy ratio of 80% [30]. Power output and indicated efficiency can be enhanced by increasing inlet pressure and charge temperature for lean mixtures [56]. Sudheesh and Mallikarjuna [52] explored the use of diethyl ether (DEE) as an ignition improver for biogas combustion in HCCI engines.…”

Section: Performance Indicesmentioning

confidence: 99%

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A review on the purification and use of biogas in compression ignition engines

Feroskhan¹,

Ismail²

2022

Int. J. Automot. Mech. Eng.

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Biogas is commonly produced during the decay of organic matter. It is a mixture of methane and some non-combustible gases such as CO2 and H2S. Its viability as a renewable alternative fuel for internal combustion engines can be enhanced by methane enrichment, i.e. removal of the non-combustible constituents. One of the common techniques for using biogas in a compression ignition (CI) engine is to mix it with air in the intake manifold, induct, and compress this mixture and ignite it by injecting a small quantity of diesel or bio-diesel, which is termed as the pilot fuel. This is known as the dual fuel mode. The pilot fuel is injected close to the end of the compression stroke as in a conventional CI engine and the injected fuel quantity depends on the operating condition. An alternative approach is the Homogeneous Charged Compression Ignition (HCCI) mode. Here, a homogeneous mixture of biogas and air is inducted and compressed by the piston until it auto-ignites. While this concept combines the benefits of spark ignition (SI) and CI engines, the onset of combustion cannot be controlled directly. A detailed review of recent research pertaining to biogas purification techniques and operation of CI engines with biogas in dual fuel and HCCI modes is presented in this paper. The effects of various operating parameters on engine performance and emissions, and comparison with conventional diesel fuelled CI engines are discussed. Biogas improves combustion efficiency, NOx, and smoke emissions. However, it reduces brake thermal efficiency, volumetric efficiency, and increases HC and CO emissions. Biogas fuelling of CI engines is recommended for achieving high diesel substitution, especially under high torque operation.

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