02244nam 2200541Ia 450 991069990540332120110502160309.0(CKB)5470000002406907(OCoLC)719388560(OCoLC)719387732(EXLCZ)99547000000240690720110502d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEvaluating the Acoustic effect of over-the-rotor Foam-Metal Liner installed on a low speed fan using Virtual Rotating Microphone imaging[electronic resource] /Daniel L. Sutliff, Robert P. Dougherty, Bruce E. Walker ; prepared for the 16th Aeroacoustics Conference cosponsored by the American Institute of Aeronautics and Astronautics and the Confederation of European Aerospace Societies, Stockholm, Sweden, June 7-9, 2010Cleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,[2010]1 online resource (13 pages) illustrations, colorNASA/TM ;2010-216800Title from title screen (viewed on May 2, 2011)."September 2010.""AIAA-2010-3800."Includes bibliographical references (page 13).BeamformingnasatBroadbandnasatNoise reductionnasatPhased arraysnasatTest standsnasatAnnular ductsnasatBeamforming.Broadband.Noise reduction.Phased arrays.Test stands.Annular ducts.Sutliff Daniel L(Daniel Linden),1962-1387415Dougherty Robert P1387414Walker Bruce E148185NASA Glenn Research Center.AIAA/CEAS Aeroacoustics Conference(16th :2010 :Stockholm, Sweden)GPOGPOBOOK9910699905403321Evaluating the Acoustic effect of over-the-rotor Foam-Metal Liner installed on a low speed fan using Virtual Rotating Microphone imaging3456514UNINA