Browse Publications Technical Papers 2020-01-0256
2020-04-14

Controlling Strategy for the Performance and NOx Emissions of the Hydrogen Internal Combustion Engines with a Turbocharger 2020-01-0256

Hydrogen fuel is a future energy to solve the problems of energy crisis and environmental pollution. Hydrogen internal combustion engines can combine the advantage of hydrogen without carbon pollution and the main basic structure of the traditional engines. However, the power of the port fuel injection hydrogen engines is smaller than the same volume gasoline engine because the hydrogen occupies the volume of the cylinder and reduces the air mass flow. The turbocharger can increase the power of hydrogen engines but also increase the NOx emission. Hence, a comprehensive controlling strategy to solve the contradiction of the power, BTE and NOx emission is important to improve the performance of hydrogen engines. This paper shows the controlling strategy for a four-stroke, 2.3L hydrogen engine with a turbocharger. The controlling strategy divides the operating conditions of the hydrogen engine into six parts according to the engine speeds and loads. Solving the main contradiction of the power, BTE and NOx emission at different operating condition is the key of the controlling strategy. This paper also shows the power, BTE and NOx emission of the hydrogen engine with a turbocharger using the controlling strategy.

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