Experimental and numerical study of the lubrication regimes of a liquid mechanical seal

The paper presents an experimental and numerical study of the different lubrication regimes occurring in the sealing gap of a mechanical seal with water as sealed fluid. For this purpose, an industrial seal has been tested in a wide range of rotation speeds and fluid pressure values. Friction torque...

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Bibliographic Details
Published in:Tribology international 2015-12, Vol.92, p.96-108
Main Authors: Ayadi, K., Brunetière, N., Tournerie, B., Maoui, A.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Friction
Liquids
Lubrication
Lubrication regimes
Mathematical models
Mechanical face seals
Mechanical seals
Mixed lubrication
Seals
Stribeck curve
Tribology
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Summary:The paper presents an experimental and numerical study of the different lubrication regimes occurring in the sealing gap of a mechanical seal with water as sealed fluid. For this purpose, an industrial seal has been tested in a wide range of rotation speeds and fluid pressure values. Friction torque, temperature and leakage were measured and compared to numerical results. These results were obtained on a multi-scale mixed lubrication model considering heat transfer in the solids and seal rings deflections. A satisfactory correlation was obtained demonstrating the relevance of the model. The model is then used to analyze the lubrication regimes. •Identification and analysis of the different lubrication regimes in a mechanical face seal.•Multi-scale modeling of the mixed lubrication regime.•Numerical and experimental study of the lubrication regimes of mechanical face seals.•Correlation between numerical and experimental Stribeck curves.
ISSN:0301-679X
1879-2464
DOI:10.1016/j.triboint.2015.05.022