Parametric Optimization of CI Engine with Btheff by Using Coconut Biodiesel and Diesel Blend

In present research effect on input parameters such as injection pressure and load on the performance of single cylinder diesel engine fueled with coconut biodiesel and also its blend. The number of test are carried out with three different injection pressure (160, 200, 240 bar), load (1, 6, 11) and blend (100%, 50%, 0%). In this study research is completed by use of Response Surface Methodology to optimize the performance parameter such as specific fuel consumption (SFC) and brake thermal efficiency (BThEff). A set of experimental runs was established using a Central Composite Design (CCD) and the response surface method was employed to obtain the regression model for the brake thermal efficiency for different values of input parameter. The experimental results reveal that the coconut biodiesel and its blend provide better engine performance and improve brake thermal efficiency(BThEff) compared to diesel with little change in input parameter.