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Investigation of the tip clearance flow inside and at the exit of a compressor rotor passage

Author
Pandya, A.
Published
May 1, 1982.
Physical Description
1 electronic document
Additional Creators
Lakshminarayana, B.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The nature of the tip clearance flow in a moderately loaded compressor rotor is studied. The measurements were taken inside the clearance between the annulus-wall casing and the rotor blade tip. These measurements were obtained using a stationary two-sensor hot-wire probe in combination with an ensemble averaging technique. The flowfield was surveyed at various radial locations and at ten axial locations, four of which were inside the blade passage in the clearance region and the remaining six outside the passage. Variations of the mean flow properties in the tangential and the radial directions at various axial locations were derived from the data. Variation of the leakage velocity at different axial stations and the annulus-wall boundary layer profiles from passage-averaged mean velocities were also estimated.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19820017377.
Accession ID: 82N25253.
NASA-CR-169004.
PSU/TURBO-82-3.
NAS 1.26:169004.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15715802