Sijtsma, P., and Stoker, R.W., "Determination of Absolute Contributions of Aircraft Noise Components Using Fly-Over Array Measurements", AIAA Paper 2004-2958, May 2004. | |
Abdelhamid, Y.A., Ng, L.L., Hanson, D.B., and Zlavog, G., "Fan Broadband Noise Generation and Propagation", AIAA Paper 2006-215, January 2006. | |
Moreau, A., and Enghardt, L., "Ranking of Fan Broadband Noise Sources Based on an Experimental Parametric Study", AIAA Paper 2009-3222, May 2009. | |
Mueller, T.J. (Ed.), Aeroacoustic Measurements, Springer, 2002. | |
Sijtsma, P., "Using Phased Array Beamforming to Locate Broadband Noise Sources inside a Turbofan Engine", AARC Engine Noise Phased Array Workshop, Cambridge, MA, 11-12 May 2006. | |
Sijtsma, P., "Feasibility of In-Duct Beamforming", AIAA Paper 2007-3696, May 2007. | |
Lowis, C.R., and Joseph, P., "A Focused Beamformer Technique for Separating Rotor and Stator-Based Broadband Sources", AIAA Paper 2006-2710, May 2006. | |
Dougherty, R.P., and Walker, B.E., "Virtual Rotating Microphone Imaging of Broadband Fan Noise", AIAA Paper 2009-3121, May 2009. | |
Sijtsma, P., "CLEAN Based on Spatial Source Coherence", International Journal of Aeroacoustics, Vol. 6, No. 4, 2007, pp. 357-374. Abstract | |
Sijtsma, P., Oerlemans, S., and Holthusen, H., "Location of Rotating Sources by Phased Array Measurements", AIAA Paper 2001-2167, May 2001. | |
Oerlemans, S., Sijtsma, P., and Méndez, López, B., "Location and Quantification of Noise Sources on a Wind Turbine", Journal of Sound and Vibration, Vol. 299, February 2007, pp. 869-883. CrossRef | |
Oerlemans, S., "Location and Quantification of Helicopter Noise Sources in a Wind Tunnel", Proceedings of the 32nd European Rotorcraft Forum, Maastricht, The Netherlands, September 2006. | |
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. | |
Tyler, J.M., and Sofrin, T.G., "Axial Flow Compressor Noise Studies", SAE Transactions, Vol. 70, 1962, pp. 309-332. | |
Hanson, D.B., "Broadband Theory for Coupled Fan Stages Including Blade Row Reflection/Transmission Effects", AIAA Paper 2002-2488. June 2002. | |
Schulten, J.B.H.M., "Transmission of Sound through a Rotor", DGLR/AIAA 14th Aeroacoustics Conference, Aachen, Germany, 11-14 May 1992. | |
Rienstra, S.W., and Tester, B.J., "An Analytic Green's Function for a Lined Circular Duct Containing Uniform Mean Flow", AIAA Paper 2005-3020, May 2005. |
Using phased array beamforming to identify broadband noise sources in a turbofan engine
Pieter SijtsmaRelated information
1 National Aerospace Laboratory, NLR P.O. Box 153, 8300 AD, Emmeloord, The Netherlands