NASA NTRS · 19920000039
Rotordynamic Behavior Of Sawtooth-Pattern Damping Seals
Abstract
Report describes comparative experimental and theoretical study of rotordynamics of several different annular liquid pump seals. Introduces damping seals of new type in which inner surfaces of stators have saw-tooth-cross-section axial grooves interrupted at regular axial intervals by circumferential dams. Teeth of sawtooth patterns directed against rotations in attempt to reduce further asymptotic circumferential velocities of fluids.
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Nolan, Steven A.. 1992-01-01. Rotordynamic Behavior Of Sawtooth-Pattern Damping Seals. https://ntrs.nasa.gov/citations/19920000039
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