Rotordynamic coefficients derived. Report presents analysis of incompressible flow in annular turbopump seal with straight or radially/axially wavy (azimuthally symmetrical) surface facing shaft. Purpose of analysis to quantify effects of waviness on rotordynamic coefficients of seal. Whirl-frequency ratio of wavy rough seal considerably less than straight rough seal.
Analysis Of Straight And Wavy Annular Seals
NASA Tech Briefs ; 13 , 10
1989-10-01
Miscellaneous
No indication
English
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