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An investigation of counterrotating tip vortex interaction

Author
Majjigi, R. K.
Published
Oct 1, 1989.
Physical Description
1 electronic document
Additional Creators
Gliebe, P. R. and Uenishi, K.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
A tip vortex interaction model originally developed for compressors has been extended and adapted for use with counterrotating open rotors. Comparison of available acoustic data with predictions (made with and without the tip vortex model included) illustrate the importance of this interaction effect. This report documents the analytical modeling, a limited experimental verification, and certain key parametric studies pertaining to the tip vortex as a noise source mechanism for the unsteady loading noise of counterrotating properllers.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19900002233.
Accession ID: 90N11549.
NASA-CR-185135.
NAS 1.26:185135.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15688599