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Expermental Study of CH4/H2 Mixtures in Internal Combustion Engines

N. Kahraman, B. Albayrak Çeper, S.O. Akansu, M. Bayrak
Erciyes University, TR

Keywords: hydrogen, methane, engine, emissions, injection timing


EXPERMENTAL STUDY OF CH4/H2 MIXTURES IN INTERNAL COMBUSTION ENGINES Nafiz Kahraman, Bilge Albayrak Çeper, Selahaddin Orhan Akansu, Mehmet Bayrak Dept. of Mechanical Engineering, Erciyes University Engineering Faculty, Kayseri, Turkiye Abstract In this study, an experimental study on the performance of a spark ignition engine fuelled with CH4/ H2 mixtures (90% CH4 + 10% H2 and 80% CH4 + 20% H2) was performed at different engine speed and different injection timings. This present work was carried out on a Lombardini engine. This is a four-stroke cycle two-cylinder spark ignition engine with a bore × stroke of 72x62 mm and a compression ratio of 10.7:1. Experiments were made as 1200, 1600, 2000, 2400, 2800, 3200 and 3600 rpm and 100, 140, 160, 200 and 240 injection timings. In experiments, performance and emission parameters are investigated. For 90%CH4+10%H2 and 80% CH4+20% H2, maximum brake thermal efficiency values are obtained 160, 200 injection timings respectively at 2600 rpm. Minimum specific fuel consumption values are obtained 160 injection timing at the each mixture. Keywords: Hydrogen, Methane, Engine, Emissions, Injection timing Acknowledgement: This study was supported by Research Fund of UNIDO-ICHET. Project Number: 15002594
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