Uncertainty and sensitivity analyses of duct propagation models

14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference)

Volumn , Issue , 2008, Pages

  Nark, Douglas M ^a,b   Watson, Willie R ^a,b   Jones, Michael G ^a,b  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b Research and Technology Directorate   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONFIDENCE INTERVAL; CONFIDENCE LEVELS; DUCT PROPAGATION; DUCT PROPAGATION CODES; GRAZING INCIDENCE TUBE; INPUT PARAMETER; LINER IMPEDANCE; MEAN FLOW; MEAN VALUES; MEASURED DATA; SENSITIVITY STUDIES; SOUND PRESSURE LEVEL; STATIC PRESSURE; STATIC TEMPERATURE; UNCERTAINTY LIMITS;

ACOUSTIC WAVE PROPAGATION; AEROACOUSTICS; MACH NUMBER; NASA; SENSITIVITY ANALYSIS;

UNCERTAINTY ANALYSIS;

EID: 78249233248     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (14)

1. Nark, D. M., Farassat, F., Pope, D. S., and Vatsa, V., "The Development of the Ducted Fan Noise Propagation and Radiation Code CDUCTLaRC," AIAA Paper 2003-3242, 2003.
2. Watson, W. R., Jones, M. G., and Parrott, T. L., "A Quasi-3D Theory for Impedance Eduction in Uniform Flflows," AIAA Paper 2005-2848, 2005.
3. Eversman, W., "Mapped Infinite Wave Envelope Elements for Acoustic Radiation in a Uniformly Moving Medium," Journal of Sound and Vibration, Vol. 224, 1999, pp. 665-687.
4. Free Field Technologies, Louvain-la-Neuve, Belgium, MSC.ACTRAN 2005 User's Manual, 2005.
5. Watson, W. R., Tracy, M. B., Jones, M. G., and Parrott, T. L., "Impedance Eduction in the Presence of Shear Flow," AIAA Paper 2001-2263, 2001.
6. Watson, W. R., "Three-Dimensional Rectanguar Duct Code with Application to Impedance Eduction," AIAA Journal, Vol. 40, No. 2, 2002, pp. 217-226.
7. Lan, J. H. and Breard, C., "Validation of 3D Acoustic Propagation Code with Analytical and Experimental Results," AIAA Paper 2005-2901, 2005.
8. Watson, W. R., Nark, D. M., and Jones, M. G., "Assessment of 3-D Codes for Predicting Liner Attenuation in Flow Ducts," AIAA Paper 2008-2828, 2008.
9. Myers, M. K., "On the Acoustic Boundary Condition in the Presence of Flow," Journal of Sound and Vibration, Vol. 71, No. 3, 1980, pp. 429-434.
10. Dougherty, R. P., "A Wave-Splitting Technique for Nacelle Acoustic Propagation," AIAA Paper 97-1652, 1997.
11. Dougherty, R. P., "A Parabolic Approximation for Flow Effects on Sound Propagation in Nonuniform, Softwall, Ducts," AIAA Paper 99-1822, 1999.
12. Jones, M. G., Parrott, T. L., and Watson, W. R., "Uncertainty and Sensitivity Analyses of a Two- Parameter Impedance Prediction Model," AIAA Paper 2008-2928, 2008.
13. Jones, M. G., Watson, W. R., and Parrott, T. L., "Benchmark Data for Evaluation of Aeroacoustic Propagation Codes with Grazing Flow," AIAA Paper 2005-2853, 2005.
14. Moffat, R. J., "Planning Experimental Programs - Lecture Notes," Moffat Thermosciences, Inc., Palo Alto, CA, 1990.