Rotary Lip Seal Operation With an Ingested Meniscus

Previous numerical simulations and experimental observations have shown that the meniscus in a rotary lip seal will be ingested into the sealing zone when the shaft speed exceeds a critical value. The present numerical analysis shows that once the meniscus is ingested, multiple equilibrium operating...

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Bibliographic Details
Published in:Journal of tribology 1997-01, Vol.119 (1), p.205-210
Main Author: Salant, R. F
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Machine components
Mechanical engineering. Machine design
Seals and gaskets
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Summary:Previous numerical simulations and experimental observations have shown that the meniscus in a rotary lip seal will be ingested into the sealing zone when the shaft speed exceeds a critical value. The present numerical analysis shows that once the meniscus is ingested, multiple equilibrium operating points exist, so the steady-state operating characteristics of the seal will depend on the history of the seal as well as on the steady-state operating conditions and seal properties. The analysis also shows that if the meniscus moves too close to the liquid-side of the seal, asperity contact between the lip and the shaft will occur.
ISSN:0742-4787
1528-8897
DOI:10.1115/1.2832461