REVIEW ON HYDROGEN ENRICHMENT AS A WAY TO MAXIMIZE ETHANOL’S POTENTIAL IN BRAZILIAN TRANSPORTATION
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Abstract
The present work presents a review on hydrogen use as a way of maximizing ethanol’s potential as a transportation fuel. In this way, a brief discussion about the future of internal combustion engines and how they can be positioned in a future of hybrid mobility is presented. In this scenario, the use of ethanol instead of gasoline is a strong alternative for Brazil, even though there might be some challenges to its use. As a solution to these challenges, an operating regime with the addition of hydrogen, excess air and turbocharging is proposed for these engines in a series hybrid configuration. A review of the expected trends from the point of view of the second law of thermodynamics confirms the potential of this operating regime in ethanol engines with the addition of hydrogen and it is concluded that future works should explore this potential.
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