NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
An investigation of counterrotating tip vortex interactionA 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.
Document ID
19900002233
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Majjigi, R. K. (General Electric Co. Cincinnati, OH, United States)
Uenishi, K. (General Electric Co. Cincinnati, OH, United States)
Gliebe, P. R. (General Electric Co. Cincinnati, OH, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1989
Subject Category
Acoustics
Report/Patent Number
NASA-CR-185135
NAS 1.26:185135
Accession Number
90N11549
Funding Number(s)
PROJECT: RTOP 535-03-01
CONTRACT_GRANT: NAS3-24080
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Related Records

There are no records associated with this record.
No Preview Available