Fan noise source diagnostic test - Vane unsteady pressure results

8th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2002, Pages

  Envia, Edmane ^a  

^a NASA GLENN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BLADE PASSING FREQUENCY; CROSS-CORRELATION ANALYSIS; DECREASING FUNCTIONS; FLUCTUATING PRESSURES; PRESSURE FLUCTUATION; ROTOR-STATOR INTERACTION NOISE; SOUND PRESSURE LEVEL; TIME-DOMAIN AVERAGING;

ACOUSTIC NOISE; SPECTRUM ANALYSIS;

AEROACOUSTICS;

EID: 84896691738     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (11)

1. Curtis, A.R.D., "Active Control of Fan Noise by Vane Actuators," NASA/CR 1999-209156, 1999
2. Hughes, C.E., "Aerodynamic Performance of Scale- Model Turbofan Outlet Guide Vanes Designed for Low Noise," AIAA Paper 2002-0374, January 2002
3. Hughes, C.E., Jeracki, R.J., and Miller, C.J., "Fan Noise Source Diagnostic Test - Rotor-Alone Nacelle Aerodynamic Performance Results," AIAA-Paper 2002-2426, June 2002
4. Podboy, G.G., Krupar, M.J., Helland, S.M., and Hughes, C.E., "Steady and Unsteady Flow Field Measurements within a NASA 22 Inch Fan Model," AIAA Paper 2002-1033, January 2002
5. Podboy, G.G. and Helland, S.M., "Fan Noise Source Diagnostic Test - Two-Point Hot-Wire Results," AIAA paper 2002-2431, June 2002
6. Premo, J.W., "Fan Noise Source Diagnostic Test - Circumferential Mode Measurements," AIAA Paper 2002-2429, June 2002
7. Heidelberg, L.J., "Fan Noise Source Diagnostic Test - Tone Modal Structure results," AIAA Paper 2002- 2428, June 2002
8. Woodward, R.P., Hughes, C.E., Jeracki, R.J., and Miller, C.J., "Fan Noise Source Diagnostic Test - Farfield Acoustic Results," AIAA-Paper 2002-2427, June 2002
9. Ganz, U.W., Joppa, P.D., Patten, T.J., and Scharpf, D.F., "Boeing 18-Inch Fan Rig Broadband Noise Test," NASA/CR-1998-208704, September 1998
10. Envia, E. and Nallasamy, M., "Design Selection and Analysis of a Swept and Leaned Stator Concept," Journal of Sound and Vibration, Vol. 228, No. 4, December 1999
11. Bendat, J.S. and Piersol, A.G., Engineering Applications of Correlation and Spectral Analysis, Second Edition Wiley-Interscience, Inc., New York, 1993, page 45.