In-duct and far-field mode detection techniques

13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference)

Volumn , Issue , 2007, Pages

  Sijtsma, Pieter ^a   Zillmann, Jörgen ^b  

^a NATIONAL AEROSPACE LABORATORY NLR   (Netherlands)

^b AIRBUS GROUP INNOVATIONS   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ANECHOIC WIND TUNNEL FACILITY; AZIMUTHAL MODES; BACKGROUND NOISE; CIRCULAR ARRAYS; CIRCULAR CROSS-SECTIONS; CIRCULAR MICROPHONE ARRAYS; CROSS CORRELATIONS; REFERENCE SIGNALS;

ANTENNA PHASED ARRAYS; DUCTS; MICROPHONES; NOZZLES; PRINCIPAL COMPONENT ANALYSIS; WIND TUNNELS;

AEROACOUSTICS;

EID: 84884801571     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (4)

1. Sarin, S.L., and Rademaker, E.R., "In-Flight Acoustic Mode Measurements in the Turbofan Engine Inlet of Fokker 100 Aircraft", AIAA-paper 93-4414, October 1993.
2. Rademaker, E.R., Sijtsma, P., and Tester, B.J., "Mode Detection with an Optimised Array in a Model Turbofan Engine Intake at Varying Shaft Speeds", AIAA Paper 2001-2181, May 2001.
3. Farassat, F., Nark, D. M., and Thomas, R.H., "The Detection of Radiated Modes from Ducted Fan Engines", AIAA Paper 2001-2138, May 2001.
4. Amiet, R.K., "Correction of Open Jet Wind Tunnel Measurements for Shear Layer Refraction", AIAA Paper 75-532, March 1975.