• Vikrant Rayate

This research examines the critical issue of high oil consumption during Multiple Displacement System (MDS) events in brake-specific fuel consumption (BSFC) engines. Currently, the oil consumption rates are 5,000–6,000 miles per quart (MPQ) in city driving conditions and 15,000–16,000 MPQ in highway cycles. However, the city cycle performance lags that of competitive automobile manufacturers, who report much lower consumption rates of approximately 26,000 MPQ. To address this problem, this study utilizes Ricardo ringpack simulation software to precisely measure oil consumption (g/h). The main objective is to conduct Design of Experiments (DOE) using the Taguchi method, focusing on the ideal function, control factors, and noise strategy to optimize the piston ring pack and block system. The goal is to improve the design for an efficient 10,000 MPQ oil consumption rate in city cycles without negatively impacting highway cycle performance. Both testing on the engine dynamometer and thorough vehicle tests verified that the design was optimized. This project is integrated with results from some prior research in "MDS impact on oil consumption" and "Bore distortion analysis" as noise factors, hence making the approach to the issue multidimensional. The results of this study provide insights and practical solutions for improving oil efficiency under different driving conditions in heavy-duty engines.

High oil consumption, Multiple Displacement System (MDS), brake-specific fuel consumption (BSFC), oil consumption rates, Ricardo ringpack simulation software, oil consumption (g/h), Design of Experiments (DOE), Taguchi method, ideal function, control factors, piston ring pack, block system, city cycles, highway cycle performance, engine dynamometer testing, vehicle tests, MDS impact on oil consumption, Bore distortion analysis, noise factors, heavy-duty engines.

"Oil Consumption Optimization for Heavy Duty Engine Using Design for Six Sigma", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 11, page no.g578-g584, November-2024, Available :http://www.jetir.org/papers/JETIR2411657.pdf

"Oil Consumption Optimization for Heavy Duty Engine Using Design for Six Sigma", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 11, page no. ppg578-g584, November-2024, Available at : http://www.jetir.org/papers/JETIR2411657.pdf