Hydrogen and Natural Gas blend in IC Engines - Green Hydrogen Think Tank

Welcome to our channel focused on natural gas and hydrogen blends in spark-ignition (SI) engines! Discover the benefits, challenges, and future of these innovative fuel mixtures.
Highlights:
Benefits of Natural Gas in SI Engines:
Higher thermal efficiency and lower emissions of CO2, HC, and CO.
Trade-offs with higher NOx emissions, manageable with advanced techniques.
Hydrogen Addition:
Enhances combustion stability, lean operation, and thermal efficiency.
Reduces HC and CO emissions but may increase NOx emissions.
Experimental Evidence:
85/15 CNG-H2 mixtures show lower BSFC and reduced HC emissions.
Hydrogen addition improves lean operation and efficiency.
Environmental Benefits:
Significant reduction in CO2, CO, and HC emissions.
NOx emissions are managed with catalytic converters and EGR.
Knocking Tendency:
Hydrogen addition reduces knocking, allowing higher compression ratios.
Technical Challenges:
Managing NOx emissions, hydrogen storage, and safe handling.
Optimizing engine design for durability and reliability.
Fuel Consumption and Economics:
Hydrogen addition reduces BSFC and improves efficiency.
Economic considerations of hydrogen production and blend ratios.
Thermal Efficiency:
Hydrogen promotes complete combustion and leaner operation.
Future Research:
Optimizing blend ratios, advanced combustion technologies, and hydrogen production/storage.
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