No coin nor oath required. For personal study only.
Professor R Salant and Mr F Shi, both from the Georgia Institute of Technology, USA, explain a numerical elastohydrodynamic model that has been developed to predict lip seal behaviour such as asperity contact, cavitation and shear deformation, over a wide range of shaft speeds.
Over the last forty years, the operation of the rotary lip seal has been extensively studied. This
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## Dynamic sealing to steam and hot water, providing long-term service in virtually all chemical and petrochemical process streams. They can resist swelling and embrittlement, while retaining their elastomeric qualities, and do not cold flow or cause shaft fretting.
I, lOmy Torr) and thereby an efficient sealing of a chamber measuring at least 48 x 48 inches. The seal must work in a harsh environment -high temperature, high voltage and high contact pressure. Seals used include elastomer types such as Viton. This O-ring is recessed into a machined groove within