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IN-FLIGHT ROTORCRAFT ACOUSTICS PROGRAM

References

"SR-71 Experiment on Propagation of Sonic Booms." NASA Tech Briefs, January 1996.

"YO-3A Acoustic Research Aircraft Fact Sheet." NASA Information Bulletin, December 1983.

Boxwell, D. A., and Schmitz, F. H. "Full-Scale Measurements of Blade-Vortex Interaction Noise." 36th Annual Forum of the American Helicopter Society, Washington D.C., May 1980.

Boxwell, D. A., Schmitz, F. H., Splettstoesser, W. R., and Schultz, K. J. "Helicopter Model Rotor-Blade Vortex Interaction Impulsive Noise." Journal of the American Helicopter Society, Vol. 32 No. 1, January 1987.

Brooks, T. F., Booth, E. R., Boyd, Splettstoesser, W. R., Schultz, K.-J., Kube, R., Niesl, G. H., and Streby, O. "HHC Study in the DNW to Reduce BVI Noise - an Analysis." American Helicopter Society Technical Specialists' Meeting on Rotorcraft Acoustics and Fluid Dynamics, Philadelphia, PA, October 1991.

Brooks, T. F., Jolly, J. R., and Marcolini, M. A. "Helicopter Main-Rotor Noise. Determination of Source Contributions Using Scaled Model Data." NASA TP 2825, August 1988.

Burley, C. L. and Martin, R. M. "Tip-Path-Plane Angle Effects on Rotor Blade-Vortex Interaction Noise Levels and Directivity." 44th Annual Forum of the American Helicopter Society, Washington, D. C., June 1988.

Caradonna, F. X., Laub, G. H., and Tung, C. "An Experimental Investigation of the Parallel Blade-Vortex Interaction." NASA TM 86005, November 1984.

Caradonna, F. X., Lautenschlager, J., and Silva, M. "An Experimental Study of Rotor Blade-Vortex Interactions." AIAA Paper 88-0045, 26th Aerospace Sciences Meeting, Reno, NV, January 1988.

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Cross, J. L. and Watts, M. E. "In-Flight Acoustic Testing Techniques Using the YO-3A Acoustic Research Aircraft." NASA TM-85895, February 1984.

Davenport, E., Bontantri, P., McLean, W. R., Harris, F. D. "Data Report: BVWT 039; Aerodynamic BO-105 Tail Rotor "Kick" Investigation Using the 1/4 Scale BO-105 Static Model." Code Ident. No. 77272, Number D212-10005-1, April, 1970.

George, R. E. and Duffy, V. "In-Flight Measurement of Aircraft Acoustic Signals." 23rd International Instrumentation Symposium, Vol. 14, Advances in Test Measurement, Las Vegas, Nevada 1977.

Heller, H., Buchholz, H., Schultz, K.-J., Ahmed, S. R., and Splettstoesser, W. "Helicopter Rotor Blade Aeroacoustics: A Comparison of Model-Scale Wind Tunnel and Full-Scale Flight Test Results." ICAS-96-1.8.1, 20th ICAS Conference, Sorrento, Italy, September 1996.

Heyson, H. H. "Use of Superposition in Digital Computers to Obtain Wind-Tunnel Interference Factors for Arbitrary Configurations, with Particular Reference to V/STOL Models." NASA TR R-302, 1969.

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Kufeld, R., Balough, D. L., Cross, J. L., Studebaker, K. F., Jennison, C. D., and Bousman, W. G. "Flight Testing of the UH-60A Airloads Aircraft." 50th Annual Forum of the American Helicopter Society, Washington, D.C., May 1994.

Lamberton, B. "Quiet Star -- We Fly Lockheed's Bargain Basement Spy Plane." Air Progress Vol. 43. No. 6, June 1981.

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Martin, R. M., Marcolini, M. A., Splettstoesser, W. R., and Schultz, K. J. "Wake Geometry Effects on Rotor Blade-Vortex Interaction Noise Directivity." NASA TP 3015, August 1990.

Martin, R. M., Splettstoesser, W. R., Elliott, J. W., and Schultz, K.-J. "Acoustic Measurements from a Rotor Blade-Vortex Interaction Noise Experiment in the German-Dutch Wind Tunnel (DNW)." NASA TM 4024, March 1988.

Martin, R. M., Splettstoesser, W. R., Elliott, J. W., and Schultz, K. J. "Advancing-Side Directivity and Retreating-Side Interactions of Model Rotor Blade-Vortex Interaction Noise." NASA TP 2784, May 1988.

McCluer, M. and Dearing, M. "Measuring Blade-Vortex Interaction Noise Using the YO-3A Acoustics Research Aircraft." 22nd European Rotorcraft Forum, Brighton, UK, September 1996.

McCluer, M. S., "Helicopter Blade-Vortex Interaction Noise with Comparisons to CFD Calculations," NASA TM 110423, December 1996. Abstract

Mosher, M., and Peterson, R. L. "Acoustic Measurements of a Full-Scale Coaxial Rotor." AIAA-83-0722, 8th Aeroacoustics Conference, Atlanta, GA, April 1983.

Rai, M. M. "Navier-Stokes Simulation of Blade Vortex Interaction Using High-Order Accurate Upwind Schemes." AIAA Paper 87-0543, 25th Aerospace Sciences Meeting, Reno, NV, January 1987.

Schmitz, F. H. "Rotor Noise." Acoustics of Flight Vehicles: Theory and Practice. Vol. 1: Noise Sources. H. H. Hubbard, ed. NASA RP-1258, WRDC TR-90-3052, August 1991.

Schmitz, F. H. and Boxwell, D. A. "In-Flight Far-Field Measurement of Helicopter Impulsive Noise." Journal of the American Helicopter Society, Vol. 21, No. 4, October 1976.

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Schmitz, F. H. and Yu, Y. H. "Helicopter Impulsive Noise: Theoretical and Experimental Status." NASA TM 84390, November 1983.

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Signor, D. B., Watts, M. E., Hernandez, F. J., and Felker, F. F., "Blade-Vortex Interaction Noise: A Comparison of In-Flight, Full-Scale, and Small-Scale Measurements." American Helicopter Society Aeromechanics Specialists Conference, San Francisco, CA, January 1994.

Splettstoesser, W. R., Schultz, K. J., Boxwell, D. A., and Schmitz, F. H. "Helicopter Model Rotor-Blade Vortex Interaction Impulsive Noise: Scalability and Parametric Variations." Tenth European Rotorcraft Forum, The Hague, The Netherlands, August 1984.

Splettstoesser, W. R., Schultz, K. J., and Martin, R. M. "Rotor Blade-Vortex Interaction Impulsive Noise Source Identification and Correlation with Rotor Wake Predictions." AIAA-87-2744, 11th Aeroacoustics Conference, Sunnyvale, CA, October 1987.

Vause, C. R., Schmitz, F. H., and Boxwell, D. A. "High-Speed Helicopter Impulsive Noise." 32nd Annual Forum of the American Helicopter Society, Washington D.C., May 1976.

Watts, M. E., and St. Jean, M. M. "Data Acquisition and Analysis on a Macintosh." American Helicopter Society International Specialists Meeting on Rotorcraft Acoustics and Rotor Fluid Dynamics, Philadelphia, PA, October 1991.

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Xue, Y., and Lyrintzis, A. S. "Transonic Blade-Vortex Interactions - Noise Reduction." Journal of Aircraft, Vol. 30, (3), pp. 408-411, May-June 1993.

Yamauchi, G. K., Signor, D. B., Watts, M. E., Hernandez, F. J., LeMasurier, P., "Flight Measurements of Blade-Vortex Interaction Noise Including Comparisons with Full-Scale Wind Tunnel Data." 49th Annual Forum of the American Helicopter Society, Stl Louis, MO, May 1993.

Zell, P. T., and Flack, K. "Performance and Test Section Flow Characteristics of the National Full-Scale Aerodynamics Complex 40- by 80-Foot Wind Tunnel." NASA TM 101065, February 1989.

Point of Contact:

C. W. Acree
NASA Ames Research Center
Moffett Field CA 94035-1000