Annular seals for non-contact sealing of fluids in turbomachinery
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According to one embodiment of the disclosure, an annular seal generally includes a hollow member having two ends and an inner surface. The hollow member has a number of depressions formed in and extending around its inner surface. Each of the depressions having a depth that is a function of its distance from one of the two ends.
Childs, Dara W. (2014). Annular seals for non-contact sealing of fluids in turbomachinery. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from