International Journal of Advance Engineering and Research Development Volume 5, Issue 03, March -2018 @IJAERD-2018, All rights Reserved 865 Scientific Journal of Impact Factor (SJIF): 5.71 e-ISSN (O): 2348-4470 p-ISSN (P): 2348-6406 COMBINE EFFECT OF INJECTION PRESSURE AND COMPRESSION RATIO ON PERFORMANCE OF SINGLE CYLINDER CI ENGINE USING DIESEL-WPO BLEND BY TAGUCHI’S DESIGN OF EXPERIMENT APPROACH Mr. Avinash N Vasava 1 , Prof. Krunal B Patel 2 , Prof. Tushar M Patel 3 , 1 (ME Scholar, Mechanical Engineering Department, LDRP-ITR, KSV University, Gandhinagar, India) 2 (Lecturer, Mechanical Engineering Department, LDRP-ITR, KSV University, Gandhinagar, India) 3 (Professor, Mechanical Engineering Department, LDRP-ITR, KSV University, Gandhinagar, India) Abstract: Environmental concern and availability of petroleum fuels have caused interest in the search for alternative fuels for internal combustion engine. Many alternate fuels are tried by various researches. It is found that for diesel engine, Bio Diesel is most promising fuel. As per the literature survey 20% Waste Plastic pyrolysis oil and 80% Diesel blend is best in performance compare to other blends. In this project works prospects and opportunities of utilizing 100% Waste Plastic Pyrolysis oil and increasing Waste Plastic Pyrolysis oil-diesel blend ratio as fuel in diesel engine is going to be studied by varying engine loads. Also based on experimentation an optimum blend and engine parameters are to be suggested for obtaining better performance. Waste Plastic Pyrolysis oil presents a very promising scenario of functioning as alternative fuels to fossil diesel fuel. The properties of these have been compared favorably with the characteristics required for internal combustion engine fuels specially diesel engine. Experiments was performed for three engine loads i.e. 2 kg, 7 kg and 12 kg and fuel injection pressure 160 bar, 180 bar and 200 bar using Waste plastic Pyrolysis oil diesel different blends and pure Waste Plastic Pyrolysis oil with constant speed of diesel engine. Analysis of brake thermal efficiency, specific fuel consumption, fuel consumption and mechanical efficiency was done and Found best combination set of optimum parameter for them for maximum performance. Keywords: Waste plastic oil; Taguchi’s method; Pyrolysis process; Diesel engine; Engine Performance; Nomenclature: WPO : Waste Plastic Oil CR : Compression Ratio BTHE : Brake Thermal Efficiency BMEP : Brake Mean Effective Pressure FC : Fuel Consumption SFC : Specific Fuel Consumption MEEF : Mechanical Efficiency S/N Ratio : Signal to Noise Ratio I. INTRODUCTION Environmental concern and availability of petroleum fuels have caused interests in the search for alternate fuels for internal combustion engines. Conversion of waste to energy is one of the recent trends in minimizing not only the waste disposal but also could be used as an alternate fuel for internal combustion engines. Waste plastics are indispensable materials in the modern world and application in the industrial field is continually increasing. The explosive growth in the production and everyday use of plastics over the past decades has made plastic waste disposal a serious environmental challenge. Plastics have become an indispensable part in today’s world, due to their lightweight, durability, energy efficiency, coupled with a faster rate of production and design flexibility, these plastics are employed in entire gamut of industrial and domestic areas hence plastics have become essential materials and their applications in the industrial field are continually increasing. Recycling of plastics is found to be the optimal solution to manage the plastic waste. Chemical recycling conforms to the principles of sustainable development and energy crisis, which has gained great attention by researchers. The challenges of waste management and increasing fuel energy crisis can be addressed simultaneously with the production of fuel from plastics. Some researchers showed that the fuel produced from plastics have properties similar to that of petroleum fuels [1].