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Development of a 2 Liter Ammonia Fueled Engine

Highly reactive and difficult to handle, gaseous ammonia fuels pose significant challenges for widespread adoption.

The Challenge of Gaseous Ammonia Fuels

Gaseous ammonia fuels have been touted as a promising alternative to traditional fossil fuels due to their zero-carbon emissions. However, the use of gaseous ammonia fuels poses significant challenges, particularly when it comes to handling and storage.

The team also explored the use of alternative fuels, such as biofuels and hydrogen, to further enhance the engine’s performance and reduce emissions.

Engine Performance Enhancements

The research team’s primary focus was on improving the engine’s performance, which involved a range of technical upgrades and modifications. The team’s efforts were centered around the ignition system, which plays a critical role in determining the engine’s power output and efficiency.

Ignition System Improvements

The team made significant improvements to the ignition system, which included:

  • Upgrading the spark plugs to high-performance units
  • Optimizing the ignition timing to ensure optimal combustion
  • Implementing advanced ignition control systems to monitor and adjust the ignition timing in real-time

    • These improvements resulted in a significant increase in the engine’s power output and thermal efficiency.

    Fuel Injection and Valve Operation Optimization

    The team also optimized the timing of fuel injection and valve operation to further enhance the engine’s performance. This involved:

  • Developing advanced algorithms to predict and optimize fuel injection timing
  • Implementing advanced valve operation systems to minimize energy losses
  • Optimizing the engine’s combustion chamber design to improve thermal efficiency

    • These modifications resulted in a significant reduction in energy losses and an increase in the engine’s thermal efficiency.

    After-Treatment System Development

    The research team developed a dedicated after-treatment system to minimize nitrogen oxides (NOx) and unburnt ammonia emissions.

    This research was supported by Hyundai Motor and Kia through the project titled “Evaluation of Direct Injection Ammonia Engines.” ###

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