Research Catalog

Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7A

Title
  1. Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7A [microform] / James H. Dittmar.
Published by
  1. [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1985]
Author
  1. Dittmar, James H

Details

Additional authors
  1. Lewis Research Center
Description
  1. 1 v.
Series statement
  1. NASA technical memorandum ; 87116
Subject
  1. Airplanes -- Turbine-propeller engines -- Noise
  2. Noise -- Measurement
  3. Design analysis
  4. Evaluation
  5. Helical flow
  6. Mach number
  7. Noise (sound)
  8. Noise reduction
  9. Predictions
  10. Prop-fan technology
  11. Propeller blades
  12. Scale models
  13. Supersonic speed
  14. Tip speed
  15. Wind tunnel tests
Call number
  1. GPO Microfiche NAS 1.15:87116
Reproduction (note)
  1. Microfiche.
Author
  1. Dittmar, James H.
Title
  1. Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7A [microform] / James H. Dittmar.
Imprint
  1. [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1985]
Series
  1. NASA technical memorandum ; 87116
Reproduction
  1. Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1986. 1 microfiche.
Added author
  1. Lewis Research Center.
Gpo item no.
  1. 0830-D (MF)
Sudoc no.
  1. NAS 1.15:87116
Research call number
  1. GPO Microfiche NAS 1.15:87116
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