Experimental study for multi-lobed mixer high bypass exhaust systems for subsonic jet noise reduction - Part 2: Acoustic results

5th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 1999, Pages 1235-1253

  Salikuddin, M ^a   Martens, S ^a   Janardan, B A ^a   Shin, H ^a   Majjigi, R K ^a  

^a GE AVIATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; EXHAUST SYSTEMS (ENGINE); MIXERS (MACHINERY); NOISE ABATEMENT;

ACOUSTIC DATA; ACOUSTIC TREATMENT; DESIGN METHODOLOGY; FAN NOZZLES; FAR-FIELD; LASER DOPPLER ANEMOMETERS; LOW-FREQUENCY NOISE; SUBSONIC JETS;

ACOUSTIC NOISE;

EID: 84983112985     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (8)

1. Babbitt, R. R., Shin, H, Wisler, S., Janardan, B. A., Majjigi, R. K. and Salikuddin, M “Acoustic & Laser Doppler Anemometer Results for Confluent and 12-libed E3 Mixer Exhaust Systems for Subsonic Jet Noise Reduction”, NASA CR, 1998.
2. Salikuddin, M., Martens, S., Shin, H, and Majjigi, R. K., “Acoustic & Laser Doppler Anemometer Results for Confluent, 22-libed, and Unique-lobed Mixer Exhaust Systems for Subsonic Jet Noise Reduction”, NASA CR 1998.
3. Pennock, A.P., ‘Mixer Nozzle Noise Characteristics”, AIAA SO-O 166, 1980.
4. Gliebe, P.R., Sandusky, G.T. and Chamberlin, R., ‘Mixer Nozzle Aeroacoustic Characteristics for the Energy Efficient Engine”, AIAA 81-1994, 1981.
5. Goodykoontz, J.H., “Experiments of High Bypass Internal Mixer Nozzle Jet Noise”, NASA TM 83020, 1982.
6. Shumpert, P-K., “An Experimental Investigation of Turbofan Engine Internal Exhaust Gas Mixer Configurations”, AIAA 80-0228, 1980.
7. Kuchar, A.P. and Chamberlin, R., “Scale Model Performance Investigation of Mixed Flow Exhaust Systems for an Energy Efficient Engine (E3) Propulsion System, AIAA 80-0229, 1980.
8. Abolfadl, M.A. and Sehra, A.K., “Experimental Investigation of Exhaust System Mixers for a High Bypass Turbofan Engine”, AIAA 93-0022, 1993.