The business jet fleet registered in the United States as of July 1975 consisted of approximately 1500 aircraft, of which only 10 percent were powered by new, medium bypass ratio turbofan engines, and 75 percent by turbojet engines. A review of the noise reduction potential for existing aircraft has been completed on a model-by-model basis. An optimal combination of flight operational procedures and noise suppression techniques for existing engines has been derived for each aircraft model to minimize noise levels at FAR 36 certification measurement locations. consistent with existing noise control technology and operating economics. The alternative of new engine installations has also been evaluated. Comparisons between noise levels for modified and unmodified aircraft are presented.
Noise reduction potential for the existing business jet fleet
Geraeuschverminderung fuer die im Dienst stehenden Verkehrsduesenflugzeuge
ASME-Papers ; 1-8
1977
8 Seiten, 6 Bilder, 4 Tabellen, 6 Quellen
Conference paper
English
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