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The Effects of Blending Hydrogen with Methane on Engine Operation, Efficiency, and Emissions
Technical Paper
2007-01-0474
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Hydrogen is considered one of the most promising future energy carriers and transportation fuels. Because of the lack of a hydrogen infrastructure and refueling stations, widespread introduction of vehicles powered by pure hydrogen is not likely in the near future. Blending hydrogen with methane could be one solution. Such blends take advantage of the unique combustion properties of hydrogen and, at the same time, reduce the demand for pure hydrogen. In this paper, the authors analyze the combustion properties of hydrogen/methane blends (5% and 20% methane [by volume] in hydrogen equal to 30% and 65% methane [by mass] in hydrogen) and compare them to those of pure hydrogen as a reference. The study confirms that only minor adjustments in spark timing and injection duration are necessary for an engine calibrated and tuned for operation on pure hydrogen to run on hydrogen/methane blends.
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Citation
Wallner, T., Ng, H., and Peters, R., "The Effects of Blending Hydrogen with Methane on Engine Operation, Efficiency, and Emissions," SAE Technical Paper 2007-01-0474, 2007, https://doi.org/10.4271/2007-01-0474.Also In
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