ABSTRACT

In this research, commercially available fossil diesel fuel blended with the two different nonedible biodiesels, namely karanja biodiesel and the neem biodiesel. The blends were prepared on the basis of volume which starts from B0 (neat fossil diesel), B10, B20, B30 … up to B100 (neat biodiesel) in the step of 10. The physical properties of the fossil diesel and biodiesel blends such as density and viscosities were measured as per the ASTM standards test methods. The regression analysis was used for predicting the density and viscosities for the blends of diesel and biodiesel. The new correlations between density and viscosities for diesel and biodiesel blends were developed by using linear, quadratic, and cubic regression analysis and compared. Therefore, according to the results, as the concentration of the fuel blends increases, the density and viscosity also increase. Finally, ± 2.49% uncertainty was present in the estimation of density and viscosities from the regression-generated correlations.