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

Figure 9

The velocity vector diagram of seal system with different depth–width ratios of stator chamber: (a) the depth–width ratio of stator chamber is 1.0; (b) the depth–width ratio of stator chamber is 1.5; (c) the depth–width ratio of stator chamber is 2.0; (d) the depth–width ratio of stator chamber is 2.5; (e) the depth–width ratio of stator chamber is 3.0.