Some acoustic results from the NASA/Pratt and Whitney Advanced Ducted Propulsor model

38th Aerospace Sciences Meeting and Exhibit

Volumn , Issue , 2000, Pages

  Elliott, David M ^a   Dittmar, James H ^a  

^a NASA GLENN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSPACE ENGINEERING; NASA; SPEED; WIND TUNNELS;

ADVANCED DUCTED PROPULSOR; CASING TREATMENT; DEGREE OF FREEDOM; LOW-SPEED WIND TUNNEL; NOISE SIGNATURE; OVERALL PRESSURE RATIOS; REVOLUTIONS PER MINUTES; SINGLE DEGREE OF FREEDOMS;

DEGREES OF FREEDOM (MECHANICS);

EID: 85087600732     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2000-351     Document Type: Conference Paper

References (6)

1. Definition of 1992 Technology Aircraft Noise Levels, NASA CR 198298, 1996. '
2. Dittmar, J. H., Elliott, D. M., and Bock, L. A., "Some Acoustic Results form the Pratt and Whitney Advanced Ducted Propulsor-Fan 1, " NASA TM 1999-209049, 1999.
3. Hobbs, D.H., Neubert, R.J., Malmborg, E.W., Philbrick, D. H., andSpear, D. A., "Low noise Research Fan Stage Design, " NASA CR 195382, 1995.
4. Topol, D.A., "TFaNS Tone Fan Noise Design/Prediction System Volume 1: System Description, CUP3D Technical Documentation and Manual for Code Developers, " NASA CR 1999-208882, 1999.
5. Neubert, R., Bock, L., Malmborg, E., And Owen-Peer, W., "Advanced Low-Noise Research Fan Stage Design, " NASA CR 97-206308, 1997.
6. Dittmar, J.H., Woodward, R. P., and MacKinnon, M. J., "Fan Noise Reduction Achieved by Removing Tip Flow Irregularities Behind the Rotor-Forward Arc Test Configuration, " NASA TM 83616, 1984.