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What is Hydrogen Fuel in SI Engines: Efficiency Insights about?

1. The document discusses research into using hydrogen as a fuel in spark ignition engines. Direct injection of hydrogen avoids abnormal combustion phenomena and can increase engine power by around 30%. 2. Running the engine using hydrogen with a lean air-fuel mixture from λ=2 to λ=4 provides higher efficiency at low loads. NOx emissions are higher for λ=1 to λ=2 compared to gasoline but decrease significantly for leaner mixtures. 3. Key challenges of using hydrogen as a transportation fuel include low-

Author

Anuraag MJ

Language

EN