Research Catalog

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

Title
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.
Author
Dittmar, James H.
Publication
[Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1985]

Details

Additional Authors
Lewis Research Center.
Description
1 v.
Series Statement
NASA technical memorandum ; 87116
Subject
  • Airplanes > Turbine-propeller engines > Noise
  • Noise > Measurement
  • Design analysis
  • Evaluation
  • Helical flow
  • Mach number
  • Noise (sound)
  • Noise reduction
  • Predictions
  • Prop-fan technology
  • Propeller blades
  • Scale models
  • Supersonic speed
  • Tip speed
  • Wind tunnel tests
Reproduction (note)
  • Microfiche.
Call Number
GPO Microfiche NAS 1.15:87116
OCLC
marcive163575915
Author
Dittmar, James H.
Title
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
[Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1985]
Series
NASA technical memorandum ; 87116
Reproduction
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1986. 1 microfiche.
Added Author
Lewis Research Center.
Gpo Item No.
0830-D (MF)
Sudoc No.
NAS 1.15:87116
Research Call Number
GPO Microfiche NAS 1.15:87116
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