Computational Aeroacoustic Analysis of Slat Trailing-Edge Flow

An acoustic analysis based on the Ffowcs Williams and Hawkings equation (Ffowcs Williams, J.E., and Hawkings, D. L., "Sound Generated by Turbulence and Surfaces in Arbitrary Motion," Philosphical Transactions of the Royal Society of London, Vo. A264, No. 1151, 1969, pp. 321-342) was perfor...

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Veröffentlicht in:	AIAA journal 2000-09, Vol.38 (9), p.1558-1564
Hauptverfasser:	Singer, Bart A, Lockard, David P, Brentner, Kenneth S
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic noise Acoustics Aeroacoustics and atmospheric sound Aeroacoustics, atmospheric sound Aerodynamics Exact sciences and technology Fundamental areas of phenomenology (including applications) Lift Navier Stokes equations Physics Reynolds number Turbulence Unsteady flow Vortex shedding
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Zusammenfassung:	An acoustic analysis based on the Ffowcs Williams and Hawkings equation (Ffowcs Williams, J.E., and Hawkings, D. L., "Sound Generated by Turbulence and Surfaces in Arbitrary Motion," Philosphical Transactions of the Royal Society of London, Vo. A264, No. 1151, 1969, pp. 321-342) was performed for a high-life system. As input, the acoustic analysis used unsteady flow data obtained from a highly resolved, time-dependent, Reynolds-averaged Navier-Stokes calculation.
ISSN:	0001-1452 1533-385X
DOI:	10.2514/2.1177