Author(s)

Subramani Saravanan, Govindan Nagarajan, Santhanam Sampath

Department of Automobile Engineering, Rajalakshmi Engineering College, Thandalam, India.
Department of Automobile Engineering, Sri Venkateswara College of Engineering, Sriperumbudur, India.
Department of Mechanical Engineering,College of Engineering, Anna University, Chennai, India.

In this work an attempt was made to minimize the NO_x emission of a crude rice bran oil methyl ester (CRBME) blend with less sacrifice on smoke density and brake thermal efficiency. Three factors namely fuel injection timing, percentage EGR and fuel injection pressure were chosen as the influencing factors for the set objective. Experiments were designed by employing design of experiments method and Taguchi’s L₉ orthogonal array was used to test the engine. MRSN ratio was calculated for the response variables and the optimum combination level of factors was obtained simultaneously using Taguchi’s parametric design. ANOVA was employed to analyze the variance of MRSN and the most influencing factor for the set objective was taken from the ANOVA table. Obtained combination was confirmed experimentally and significant improvement was observed in the response variables.

Diesel Engine; Emission; Crude Rice Bran Oil; Biodiesel; Taguchi’s Orthogonal Array; MRSN; DOE

S. Saravanan, G. Nagarajan and S. Sampath, "Application of Taguchi’s Orthogonal Array in Multi Response Optimization of NO_x Emission of Crude Rice Bran Oil Methyl Ester Blend as a CI Engine Fuel," Open Journal of Optimization, Vol. 1 No. 2, 2012, pp. 25-33. doi: 10.4236/ojop.2012.12005.