Design variable | Orifice restrictor | Multiple restrictors | Porous restrictors |
---|---|---|---|
Bearing diameter D/mm | 50 | 50 | 50 |
Orifice diameter d/mm | 0.0665 | 0.7 | − |
Groove width w g /mm | − | 0.20 | − |
Groove depth d g /mm | − | 0.10 | − |
Groove length l g /mm | − | 1.50 | − |
Viscous resistance coefficient d r /m−2 | − | − | 1.258 × 1014 |
Inertia resistance coefficient c r /m−1 | − | − | 2.498 × 107 |
Porosity γ | − | − | 0.18 |