Open Access
Table 2
Studied operating parameters.
| Operating parameters | Values |
|---|---|
| Oil temperature | 20 °C and 60 °C |
| Oil inlet flowrate | 0.11 L/min and 0.22 L/min |
| Lubricated area | On the seal housing (area 1) On the dynamic sealing zone (area 2) On the rotor outer surface (area 3)  |
| Test time on each rotation speed | Short time: 10 s for each rotational speed level Long time: 5 to 10 min for each rotational speed level |
| Rotor parameters | Imposed roughness: Ra 1,6 μm maximum Axial roughness (measured with contact profilometer): Ra 0.89 μm, Rq = 1.11 μm, Rz = 5,77 μm, Rsm = 71,27 μm, Rsk = 0.913, Rku = 3.686 Material: hardened 42CD4 |
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