Investigation of near-field acoustic properties of imperfectly expanded jet flows using LES

47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition

Volumn , Issue , 2009, Pages

  Liu, Junhui ^a   Kailasanath, K ^a,c   Munday, David ^b   Gutmark, Ephraim ^b  

^a NAVAL RESEARCH LABORATORY   (United States)

^b UNIVERSITY OF CINCINNATI   (United States)

^c Center for Reactive Flow and Dynamical Systems

Author keywords

[No Author keywords available]

Indexed keywords

CONVERGENT-DIVERGENT NOZZLE; JET FLOW; LARGE-SCALE COHERENT STRUCTURES; NEAR FIELD REGION; NEAR-FIELD ACOUSTICS; NOISE GENERATION MECHANISMS; NOZZLE EXITS; NOZZLE PRESSURE RATIO; PRESSURE FLUCTUATION; RADIAL DISTANCE; SCREECH TONES; SHOCK-CELL; SOURCE LOCATION; SPACE-TIME CORRELATION; SPEED OF SOUNDS; STATIC PRESSURE; TIME HISTORY;

ACOUSTIC PROPERTIES; ACOUSTIC WAVE VELOCITY; AEROSPACE ENGINEERING; MACH NUMBER; NOZZLE DESIGN;

ACOUSTIC WAVE PROPAGATION;

EID: 78549258861     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. Tam, C.K.W., and Tanna, H.K., Shock-Associated Noise of Supersonic Jets from Convergent-Divergent Nozzles," J. Sound Vib., Vol. 81, No. 3, pp. 337-358, 1982.
2. Tam, C.K.W., Jet Noise Generated by large Scale Coherent Motion, Aeroacoustics of Flight vehicles: Theory and Practice, Vol. 1, Noise Sources, Edited by H.H. Hubbard, NASA RP-1258, pp. 311-390, 1991.
3. Tam, C.K.W., Supersonic Jet Noise, Annual Review of Fluid mechanics, Vol. 27, pp. 17-43, 1995.
4. Norum, T.D., and Seiner, J.M., Broadband shock noise from supersonic jets, AIAA Journal, Vol. 20, No.1, pp. 68-73, 1982.
5. Seiner, J.M., and Yu, J.C., Acoustic Near-Field Properties Associated with Broadband Shock Noise, AIAA Journal, Vol., 22, No. 9, Sept., 1984.
6. Raman, G., Advances in Understanding Supersonic Jet Screech: Review and Perspective, Progress in Aerospace Sciences, Vol. 34, pp. 45-106, 1998.
7. Umeda, Y., and Ishii, R., On the sound sources of screech tones radiated from choked circular jets, J. Acoust. Soc. Am, 110 (4), 1845-1858, 2001.
8. Panda, J., Seasholtz, R.G., and Elam, K.A., Investigation of noise sources in high speed jets via correlation Measurements, J. Fluid Mech. (2005), vol. 537, pp. 349-385. (Pubitemid 41200206)
9. Lighthill, M. J., "On Sound Generated Aerodynamically," Proc. Roy. Soc. A, Vol. 211, 1952, pp 564-587.
10. Freund, J., Noise sources in a low-Reynolds-number turbulent jet at Mach 0.9, J. Fluid Mech. (2001), vol. 438, pp. 277-305.
11. Shur, M.L., Spalart, P.R., Strelets, M.Kh., and Garbaruk, A.V. "Further Steps in LES-Based Noise Prediction for Complex Jets", AIAA Paper-2006-0485, 44th Aerospace Sciences Meeting and Exhibit, Reno, NV, 2006.
12. Viswanathan, K., Shur, M.L., Spalart, P.R., and Strelets, M.K., Computation of the flow and noise of round and beveled nozzles, AIAA Paper 2006-2445, 2006.
13. th AIAA Aerospace Sciences Meeting, January 2009.
14. th AIAA/CEAS Aeroacoustics Conference, Vancouver, British Columbia, May 2008.
15. Tam, C. K. W., Seiner, J. M., and Yu, J.C., Proposed Relationship between Broadband Shock Associated Noise and Screech Tones, Journal of Sound and Vibration, Vol. 110, No.2, pp. 309-321, 1986.