Research Article
Numerical Analyses of Static Characteristics of Liquid Annular Seals Based on 2D LBM-LES Model
Table 2
Operating conditions of the model seals.
| | Model | 1 |
| | Pressure difference (MPa) | 1.38 | 2.41 | 3.45 | | Inlet velocity (m/s) | 50.44 | 69.91 | 82.96 | | Rotor speed (rpm) | 10200 | 10200 | 10200 | | Kinematic viscosity (m2/s) | 5.215e − 7 | 5.215e − 7 | 5.215e − 7 | | Reynolds numbers | 6038 | 9713 | 12182 |
| | Model | 2 | | Pressure difference (MPa) | 9.29 | 11.5 | 12.6 | | Inlet velocity (m/s) | 130.082 | 144.6 | 151.36 | | Rotor speed (rpm) | 5500 | 15800 | 5950 | | Kinematic viscosity (m2/s) | 1.0048e − 6 | 1.0048e − 6 | 1.0048e − 6 | | Reynolds numbers | 69013 | 76270 | 79835 |
| | Model | 3 | | Pressure difference (MPa) | 4.14 | 5.52 | 6.89 | | Inlet velocity (m/s) | 87.37 | 100.881 | 112.7 | | Rotor speed (rpm) | 10200 | 10200 | 10200 | | Kinematic viscosity (m2/s) | 5.215e − 7 | 5.215e − 7 | 5.215e − 7 | | Reynolds numbers | 18426 | 21277 | 23771 |
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