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 load and speed at a viscosity of 11 cSt. (b) Response surface plot of FP versus load and speed at a viscosity of 11 cSt.</div>

Advances in Tribology

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Figure 8

Figure 8: Prediction and Analysis of Engine Friction Power of a Diesel Engine Influenced by Engine Speed, Load, and Lubricant Viscosity 