Influence of Structural Parameters of Gearbox Seal System of Electrical Multiple Units on Seal Performance

Figure 14

The velocity vector diagram of seal system with different axial seal clearance: (a) the axial seal clearance is 0.5 mm; (b) the axial seal clearance is 0.75 mm; (c) the axial seal clearance is 1.00 mm; (d) the axial seal clearance is 1.25 mm; (e) the axial seal clearance is 1.50 mm.