01522nam 2200457I 450 991071174820332120190104133300.0(CKB)5470000002486590(OCoLC)1080938537(EXLCZ)99547000000248659020190104j201812 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierSemi-empirical modeling and prediction of direct combustor noise /Lennart S. HultgrenCleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,December 2018.1 online resource (14 pages) illustrations (some color)NASA/TM ;2018-220041"December 2018."Includes bibliographical references (pages 12-14).Jet aircraft noisenasatNoise pollutionnasatTurbofansnasatAeroacousticsnasatTurbomachinery noisenasatJet aircraft noise.Noise pollution.Turbofans.Aeroacoustics.Turbomachinery noise.Hultgren Lennart S(Lennart Sven),1386308NASA Glenn Research Center,GPOGPOGPOBOOK9910711748203321Semi-empirical modeling and prediction of direct combustor noise3459300UNINA