NASA NTRS · 19730003294
Quiet engine demonstration
Abstract
A description of the performance test to compare noise output from a quiet engine with acoustic nacelle to the noise output of the JT3D turbofan engine is presented. Tabulations depict comparative thrusts, bypass ratios, core jet velocities, and fan jet velocities for both engines during simulated takeoff and approach performances.
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Bloomer, H. E.. 1972-01-01. Quiet engine demonstration. https://ntrs.nasa.gov/citations/19730003294
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