Research Article
Research on the Dynamic Erosion Wear Characteristics of a Nozzle Flapper Pressure Servo Valve Used in Aircraft Brake System
Table 4
The service life under erosion wear.
| Item | Value |
| Oil contamination level | 6 | 7 | 8 | 9 | Dynamic erosion rate Ed (kg/(m2s)) | 2.7452 (×10−9) | 5.490 (×10−9) | 1.0981 (×10−8) | 2.1962 (×10−8) | Erosion length (mm) | 0.011 | Number of flight takeoff landing M | 500 | Maintenance number ni | 10 | Life under single oil level (flight takeoff) | 35729 | 17866 | 8932 | 4466 | Erosion distance (μm) | 1.5394 | 3.0787 | 6.1575 | 0.2244 | Service life (flight takeoff landing) | 15091 |
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