The Analysis of Secondary Motion and Lubrication Performance of Piston considering the Piston Skirt Profile

Figure 19

Effect of piston pin offset on skirt lubrication performance.

(a) Secondary displacement of top skirt

(b) Secondary displacement of bottom skirt

(c) Secondary velocity of top skirt

(d) Secondary velocity of bottom skirt

(e) Displacement of piston pin center

(f) Friction force

(g) Minimum oil film thickness

(h) Friction power loss