Prediction and Analysis of Engine Friction Power of a Diesel Engine Influenced by Engine Speed, Load, and Lubricant Viscosity

<div>(a) Contour plot of FP versus viscosity and load at a speed of 2000 rpm. (b) Response surface plot of FP versus viscosity and load at a speed of 2000 rpm.</div>

Advances in Tribology

fig7

Figure 7

Figure 7: Prediction and Analysis of Engine Friction Power of a Diesel Engine Influenced by Engine Speed, Load, and Lubricant Viscosity 