Research Article
Journal Bearings Lubrication Aspect Analysis Using Non-Newtonian Fluids
Table 1
Technical data used for the numerical simulation.
| | Journal bearing length | = 10−1 m | | Shaft radius | = 0.05 m | | External bearing radius | = 10−1 m | | Radial clearance | = 10−4 m | | Ambient temperature | = 40°C | | Initial temperature of lubrication | = 36.8°C | | Coefficient of (15) | = 0.0323 Pa·s | | Coefficient of (15) | = 0.037°C−1 | | Initial pressure of lubrication | Pa = 70.103 Pa | | Lubricant density | = 860 kg/m3 | | Lubricant specific heat | = 2000 J/kg·K | | Bearing thermal conductivity | = 50.84 W/m·K | | Shaft thermal conductivity | = 52.0 W/m·K | | Film thermal conductivity | = 0.13 W/m·K | | Bearing convective heat transfer coefficient | = 80 W/m²·K | | Shaft convective heat transfer coefficient | = 100 W/m²·K | | Revolution speed | = 2000 rev./min |
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