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Induction of hydrogen, hydroxy, and LPG with ethanol in a common SI engine: a comparison of performance and emission characteristics

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Abstract

In this investigation, performance and emission characteristics for enhancing LPG, hydrogen, and hydroxy with E20 were evaluated for the understanding of which fuel combination performs better in a gasoline engine. In the upper sequence, hydroxy-hydrogen-LPG could perform best in terms of brake thermal efficiency (BTE) and brake-specific fuel consumption (BSFC). The induction of gaseous fuel improves CO, CO2, and HC emission but increases the NOx emission. More concisely, the enhancement of hydroxy with E20 shows the best engine performance for highest BTE while lowest BSFC as well as lowest exhaust emissions (CO, HC, except NOx).

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Abbreviations

HHO:

Hydroxy gas

BP:

Brake power

E20:

20% (v/v) ethanol + 80% (v/v) gasoline

BSFC:

Brake-specific fuel consumption

BTE:

Brake thermal efficiency

HC:

Unburned hydrocarbon

NOx:

Nitrogen oxides

LPG:

Liquefied petroleum gas

lpm:

Liter per minute

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Funding

The authors would like to acknowledge the Ministry of Power, Energy and Mineral Resources, Bangladesh, for the partial financial support through the research program.

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Correspondence to Md. Atiqur Rahman.

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Responsible editor: Philippe Garrigues

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Rahman, M.A. Induction of hydrogen, hydroxy, and LPG with ethanol in a common SI engine: a comparison of performance and emission characteristics. Environ Sci Pollut Res 26, 3033–3040 (2019). https://doi.org/10.1007/s11356-018-3861-6

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