Research Article

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

Figure 16

Effect of middle-convex point on 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) Piston tilting angle
(f) Friction force
(g) Minimum oil film thickness
(h) Friction power loss