INVESTIGATION OF AN SI-CAI ENGINE FUELED WITH METHANE-HYDROGEN MIXTURES FOR DIFFERENT EXHAUST VALVE LIFTS Bilge ALBAYRAK ÇEPER* and Emin BORLU* * Erciyes University Faculty of Engineering Mechanical Engineering Dept 38039 Melikgazi, Kayseri, balbayrak@erciyes.edu.tr, borluemin@gmail.com Abstract: In this study, a spark-assisted controlled auto-ignition (SI-CAI) engine with different Methane-Hydrogen blends was numerically and experimentally investigated under different […]