Research Catalog
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Displaying 1-5 of 5 results
Ducted fan acoustic radiation including the effects of nonuniform mean flow and acoustic treatment [microform] / Walter Eversman, Indranil Danda Roy.
- Text
- Rolla, Mo. : Dept. of Mechanical and Aerospace Engineering and Engineering Mechanics, Univ. of Missouri-Rolla ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
- 1993
TBIEM3D [microform] : a computer program for predicting ducted fan engine noise / M.H. Dunn.
- Text
- Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Springfield, Va. : National Technical Information Service [distributor, 1997]
- 1997
The reduction of ducted fan engine noise via a boundary integral equation method [microform] : final report for the period April 1996 through April 1997, under grant number NCC-3-469 / by principal investigator, J. Tweed and co-principal investigator, M. Dunn.
- Text
- Norfolk, Va. : Dept. of Mathematics & Statistics, College of Engineering and Technology, Old Dominion University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
- 1997
Development and demonstration of active noise control concepts [microform] / R. Kraft ... [et al.].
- Text
- [Washington, D.C.] : NASA ; [Hanover, MD : Available from NASA Center for Aerospace Information, 2000]
- 2000
Acoustic mode measurements in the inlet of a model turbofan using a continuously rotating rake [microform] / Laurence J. Heidelberg and David G. Hall.
- Text
- [Washington, DC : National Aeronautics and Space Administration, 1992]
- 1992
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