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035   $a(OCoLC)808729691
035   $a(EXLCZ)995470000002423008
100   $a20120830d2012      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAcoustic shielding for a model scale counter-rotation open rotor$b[electronic resource] /$fDavid B. Stephens and Edmane Envia ; prepared for the 17th Aeroacoustics Conference sponsored by the American Institute of Aeronautics and Astronautics and the Confederation of European Aerospace Societies, Portland, Oregon, June 5-8, 2011
210  1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Glenn Research Center,$d[2012]
215   $a1 online resource (16 pages) $ccolor illustrations
225 1 $aNASA/TM ;$v2012-217227
300   $aTitle from title screen (viewed on Aug. 30, 2012).
300   $a"January 2012."
300   $a"AIAA-2011-2940."
320   $aIncludes bibliographical references (pages 15-16).
606   $aAcoustics$2nasat
606   $aShielding$2nasat
606   $aPrediction analysis techniques$2nasat
606   $aRotor aerodynamics$2nasat
606   $aAerodynamic noise$2nasat
606   $aCounter rotation$2nasat
606   $aNoise reduction$2nasat
615  7$aAcoustics.
615  7$aShielding.
615  7$aPrediction analysis techniques.
615  7$aRotor aerodynamics.
615  7$aAerodynamic noise.
615  7$aCounter rotation.
615  7$aNoise reduction.
700   $aStephens$b David B$01404359
701   $aEnvia$b Edmane$01388247
712 02$aNASA Glenn Research Center.
712 12$aAIAA/CEAS Aeroacoustics Conference$d(17th :$f2011 :$ePortland, Or.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910701911403321
996   $aAcoustic shielding for a model scale counter-rotation open rotor$93548739
997   $aUNINA