The history of mechanical seal interface studies is summarized and the underlying unity of different approaches is presented diagrammatically. The distinction between “cavitation” and “vapor-transition” is discussed and photographs of seal films are presented to demonstrate similarities. An analytical approach to the calculation of film cavitation boundaries is presented together with a total flow conservation numerical technique. Results from each are presented and it is concluded that cavitation extent will often be greater than expected using over-simplified treatments.
Observations and Analysis of Mechanical Seal Film Characteristics
B. S. Nau
BHRA Fluid Engineering, Cranfield, Bedford, U.K.
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Nau, B. S. (July 1, 1980). "Observations and Analysis of Mechanical Seal Film Characteristics." ASME. J. of Lubrication Tech. July 1980; 102(3): 341–347. https://doi.org/10.1115/1.3251534
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