Forward flight effects on fan noise from supersonic 2-D inlets

Venkatakrishnan, L and Elavarasan, R and Krothapalli, A (2000) Forward flight effects on fan noise from supersonic 2-D inlets. In: AIAA, Aerospace Sciences Meeting and Exhibit,38th, 10-13 Jan 2000, Reno, United States.

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Abstract

A 2D bifurcated supersonic inlet was acoustically tested statically and in simulated low-speed flight (M = 0.2). The objective was to determine the effect of forward flight on the propagation of fan noise at take-off and landing approach conditions. For comparison, data were also taken for a CTOL inlet under similar conditions. A reduction was seen in the overall Sound Pressure Level (OASPL) in forward flight for both inlets. (Author)

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Inlets;Noise;Supersonic aircraft;Acoustics;Acoustic measurement;Aerospace;Propagation;Acoustic noise;Aircraft components;Bifurcations;High speed civil transports;Supersonic inlets;Forward flight;Aircraft noise; Turbofan engines;Sound pressure;Noise reduction;Aeroacoustics;Takeoff
Subjects: AERONAUTICS > Aerodynamics
Division/Department: Experimental Aerodynamics Division, Other, Other
Depositing User: Ms Indrani V
Date Deposited: 14 Nov 2005
Last Modified: 24 May 2010 09:39
URI: http://nal-ir.nal.res.in/id/eprint/824

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