An evaluation was performed on the efficiency and emissions from an engine fuelled with compressed natural gas (CNG …) and a mixture of natural gas and hydrogen, respectively. The mixtures of CNG and hydrogen were named HCNG. …

misfiring. Opacity and NO emissions were also analyzed in detail. In the case with maximum EGR, the lowest average opacity …

Hydrogen-fueled internal combustion engines are considered to be more efficient and cleaner alternatives to their …, control and optimization of hydrogen engines. To serve for this broader purpose, a computational model, which has been widely … used for gasoline and diesel engines, is investigated for its capability to simulate hydrogen engines. Specifically, fuel …

customer-friendly fuelling. Hydrogen quality affects fuel cell stack performance and lifetime, as well as other factors such as …As hydrogen fuel cell vehicles move from manifestation to commercialization, the users expect safe, convenient and … valve operation. In this paper, previous researcher's development on hydrogen as a possible major fuel of the future has …

performance at low load conditions. This paper experimentally investigated the co-effect of cylinder cutoff and hydrogen addition … on improving the performance of a gasoline-fueled SI engine. The experiment was conducted on a modified four-cylinder SI … engine equipped with an electronically controlled hydrogen injection system and a hybrid electronic control unit. The engine …

This paper compared the effects of hydrogen and hydrogen–oxygen blends (hydroxygen) additions on the performance of a …. HC emissions were reduced whereas NOx emissions were raised with the increase of hydrogen and hydroxygen addition levels … engine equipped with a hydrogen and oxygen injection system. A hybrid electronic control unit was applied to adjust the …

performance of a hydrogen-blended methanol engine at lean and various load conditions. The test was conducted on a four … in the intake of 0 and 3% were adopted to investigate the effect of hydrogen addition on combustion and emissions … performance of the methanol engine. The test results showed that brake thermal efficiency was improved after the hydrogen addition …