Abstract
Fast depletion of fossil fuels with its resources already passed its mid depletion region and the pollution levels already reached unsafe levels which make it utmost necessity to search for alternative fuels to meet sustainable energy demand with minimum environmental impact. Among alternative fuels, hydrogen is considered as the near future, long term renewable, sustainable and non-polluting fuel. In the present paper, hydrogen fueled internal combustion engine fundamentals highlighted and presented relating to hydrogen combustion properties. A Mat lab programmed hydrogen temperature-entropy-energy chart is developed and presented for fresh charge and products of combustion at different excess air factors per mole combustion gases. The chart, then, used to represent a SI hydrogen-fueled fuel/air cycle analysis, which proved to be valuable design tool for engine sizing and for prediction of engine performance. Predictions carried out using the hydrogen F/A cycle analysis at different λ show low brake specific fuel consumption and low volume specific power compared with conventional SI engine.
Highlights
Hydrocarbon fuels have long been played a primary role in propulsion and power generation
Hydrogen is considered as the near future, the long term renewable, sustainable, recyclable and non-polluting fuel [2]
Though nitrogen oxides (NOx) emissions are formed upon hydrogen combustion, it can be minimized to low concentrations compared with hydrocarbon fuels [4]
Summary
Hydrocarbon fuels have long been played a primary role in propulsion and power generation. A. Ghulman gent regulations on environment from exhaust emissions and future predictions for depletion of world petroleum reserves give strong impetus for research in the areas of alternative fuels and novel propulsion engines. Ghulman gent regulations on environment from exhaust emissions and future predictions for depletion of world petroleum reserves give strong impetus for research in the areas of alternative fuels and novel propulsion engines Various alternative fuels such as LPG (Liquefied Petroleum Gas), Alcohols (Methanol and Ethanol), NG (Natural Gas), Biodiesel and Bio gasoline, and H2 (Hydrogen) have been given as substitutes for conventional hydrocarbon to reduce exhaust emissions [1]. Report [1] highlighted and presented the novel propulsion engine at present time Among these alternative fuels, hydrogen is considered as the near future, the long term renewable, sustainable, recyclable and non-polluting fuel [2]. Though nitrogen oxides (NOx) emissions are formed upon hydrogen combustion, it can be minimized to low concentrations compared with hydrocarbon fuels [4]
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