NASA NTRS · 19790017672
Validation of aircraft noise prediction program
Abstract
Predictions made with NASA's aircraft noise prediction program (ANOPP) were compared with flyover noise data. A data base of six flyover noise runs for the DC-10-40/JT9D-59A configuration was used. For all power settings, ANOPP consistently underpredicted the low frequency spectral levels, overpredicted high frequency spectral levels and, consequently, overpredicted the inlet and aft PNLT time histories.
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Kapper, C. Y.. 1979-06-01. Validation of aircraft noise prediction program. https://ntrs.nasa.gov/citations/19790017672
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