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Efficiency-Optimized Operating Strategy of a Supercharged Hydrogen-Powered Four-Cylinder Engine for Hybrid Environments
Technical Paper
2007-01-2046
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
As an energy carrier, hydrogen has the potential to deliver clean and renewable power for transportation. When powered by hydrogen, internal combustion engine technology may offer an attractive alternative to enable the transition to a hydrogen economy. Port-injected hydrogen engines generate extremely low emissions and offer high engine efficiencies if operated in a lean combustion strategy. This paper presents experimental data for different constant air/fuel ratio engine combustion strategies and introduces variable air/fuel ratio strategies for engine control. The paper also discusses the shift strategy to optimize fuel economy and contrasts the different engine control strategies in the conventional vehicle environment. The different strategies are evaluated on the urban driving cycle, then engine behaviors are explained and fuel economy is estimated. Finally, the paper projects the potential of hybridization and discusses trends in powertrain cycle efficiencies.
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Lohse-Busch, H., Wallner, T., and Shidore, N., "Efficiency-Optimized Operating Strategy of a Supercharged Hydrogen-Powered Four-Cylinder Engine for Hybrid Environments," SAE Technical Paper 2007-01-2046, 2007, https://doi.org/10.4271/2007-01-2046.Also In
References
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