2007•The Proceedings of Ibaraki District ConferenceOpen access

506 A Fundamental Study of Hydrogen-Fueled Internal Combustion Engine

Katsushige YABUKI, Kenichiro Ogata, Syuichi Kajitani, Atsushi Shimada

Abstract

Lean combustion is known as a method to have a high thermal efficiency of spark ignition engines. However, the lean limit of gasoline is narrow and a performance of three way catalyst for NO_x reduction is deteriorates. The lean limit of Hydrogen is very wide. In this experiment, the effect of hydrogen addition to the gasoline is investigated. The experimental results show the increase of the brake thermal efficiency and the decrease of NO_x emission because of lean mixture operation of hydrogen and gasoline.

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Key concepts: Gasoline, Hydrogen, Combustion, Lean burn, Thermal efficiency, SPARK (programming language), Ignition system, Petrol engine