Presentations & Publications - 2009


  • Boyd, D. D., "HART-II Acoustic Predictions using a Coupled CFD/CSD Method," AHS 65th Annual Forum, Grapevine, Texas, 27 - 29 May, 2009. NTRS
  • Boyd, D. D., "Initial Aerodynamic and Acoustic Study of an Active Twist Rotor Using a Loosely Coupled CFD/CSD Method," 35th European Rotorcraft Forum, Hamburg, Germany, 22 - 25 September, 2009. NTRS
  • Farassat, F., Dunn, M. H., Tinetti, A. F., and Nark, D. M., "Open Rotor Noise Prediction Methods at NASA Langley - A Technology Review," AIAA Paper 2009-3133, 15th AIAA/CEAS Aeroacoustics Conference, Miami, Florida, 11 - 13 May, 2009. DOI NTRS
  • Greenwood, E., and Schmitz, F. H., "Separation of Main and Tail Rotor Noise Sources from Ground-Based Acoustic Measurements Using Time-Domain De-Dopplerization," 35th European Rotorcraft Forum, Hamburg, Germany, 22 - 25 September, 2009. NTRS
  • Lee, S., Brentner, K. S., Farassat, F., and Morris, P. J., "Analytic formulation and numerical implementation of an acoustic pressure gradient prediction," Journal of Sound and Vibration, Vol. 319, Nos. 3 - 5, pp. 1200 - 1221, January, 2009. DOI NTRS
  • Padula, S. L., Burley, C. L., Boyd, D. D., and Marcolini, M. A., "Design of Quiet Rotorcraft Approach Trajectories," NASA/TM-2009-215771, June, 2009. NTRS