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Self-acting lift-pad geometry for circumferential seals: A noncontacting conceptA segmented circumferential seal with lift pads for hydrodynamic action was analyzed over ranges of speed and sealed pressure. Performance predictions, which predicted noncontact operation for speeds as high as 600 revolutions per second at sealed pressures to 86 N/sq cm, are discussed. Performance tests were performed on the seals and compared with the performance predictions.
Document ID
19800006146
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Allen, G. P. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1980
Subject Category
Mechanical Engineering
Report/Patent Number
E-154
NASA-TP-1583
Report Number: E-154
Report Number: NASA-TP-1583
Accession Number
80N14403
Funding Number(s)
PROJECT: RTOP 505-04
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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