02109nam 2200529Ia 450 991070098190332120111027112951.0(CKB)5470000002413205(OCoLC)758858969(EXLCZ)99547000000241320520111027d2010 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierLocating and quantifying broadband fan sources using in-duct microphones[electronic resource] /Robert P. Dougherty, Bruce E. Walker, Daniel L. Sutliff ; 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 (19 pages) color illustrationsNASA/TM ;2010-216931Title from title screen (viewed on Oct. 27, 2011)."December 2010.""AIAA-2010-3736."Includes bibliographical references (page 19).Annular ductsnasatMicrophonesnasatAerodynamic noisenasatAeroacousticsnasatAircraft noisenasatNoise measurementnasatAnnular ducts.Microphones.Aerodynamic noise.Aeroacoustics.Aircraft noise.Noise measurement.Dougherty Robert P1387414Walker Bruce E148185Sutliff Daniel L(Daniel Linden),1962-1387415NASA Glenn Research Center.AIAA/CEAS Aeroacoustics Conference(16th :2010 :Stockholm, Sweden)GPOGPOBOOK9910700981903321Locating and quantifying broadband fan sources using in-duct microphones3437229UNINA