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In this study, hydrogen gas (HHO) was produced by the electrolysis with stainless steel electrode designs in a leak proof stainless steel reactor (hydrogen generator). Hydrogen gas was used as a supplementary fuel in a single cylinder, four strokes, compression ignition (CI) engine without any modification and without need for storage tanks. Its effects on exhaust emissions and engine performance characteristics were investigated. Experiments showed that constant HHO flow rate at the range of 3 lpm , 5 lpm, 10 lpm (under the four different loads 25 % , 50 % ,75 % , 100 % for this experimental study), turned advantages of HHO system to improve the engine torque and specific fuel consumption (SFC). Emission characteristics also improve by the use of HHO Gas and goes to the negative direction with the favor of environment. This caused excessive volume occupation of hydrogen gas in cylinders which prevented correct air to be taken into the combustion chambers and consequently, decreased volumetric efficiency was inevitable. Decreased volumetric efficiency influenced combustion efficiency which had negative effects on engine torque and exhaust emissions.
A propos de l'auteur
Dr. S.K. Mahla is working as Assistant Professor at IKG Punjab Technical University. Dr. B.S. is working as Associate Professor at LPU, Phagwara. Er. Geetesh Goga is working as Head of Mechanical Engg at KCCEIT Nawanshahr. The authors' area of interests are IC Engines & Biofuels, Heat Transfer, Thermodyanmics & CFD Studies.
