Presentations & Publications - 2017


  • Aumann, A. R., and Tuttle, B. C., "The NASA Auralization Framework and ANOPP2 Interface," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Bahr, C. J., "Acoustic Flight Tests of a Tecnam P2006T - Baseline Data for Distributed Electric Propulsion Aircraft," NASA Acoustics Technical Working Group Meeting, Fall 2017, Cleveland, Ohio, 17 - 18 October, 2017.
  • Bahr, C. J., "An Overview of Aeroacoustics Research at NASA Langley Research Center," CREATe Colloquium Series, Virginia Tech Center for Renewable Energy and Aerodynamic Technology, Department of Aerospace and Ocean Engineering, Virginia Tech, 15 March, 2017.
  • Bahr, C. J., "Case Proposal: Impulsive Noise Source in an Open Jet Wind Tunnel," Presentation, Array Methods Panel Session, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017.
  • Bahr, C. J., "Phased Array Methods Panel Session," Presentation, Array Methods Panel Session, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017.
  • Bahr, C. J., "Special Issue on Microphone Phased Arrays in Aeroacoustics - Editorial," International Journal of Aeroacoustics, Vol. 16, Nos. 4 & 5, pp. 200 - 201, July, 2017. DOI
  • Bahr, C. J., and Horne, W. C., "Subspace-based background subtraction applied to aeroacoustic wind tunnel testing," International Journal of Aeroacoustics, Vol. 16, Nos. 4 & 5, pp. 299 - 325, July, 2017. DOI NTRS
  • Bahr, C. J., Humphreys, W. M., Ernst, D., Ahlefeldt, T., Spehr, C. Pereira, A., Leclère, Q., Picard, C., Porteous, R., Moreau, D. J., Fischer, J., and Doolan, C. J., "A Comparison of Microphone Phased Array Methods Applied to the Study of Airframe Noise in Wind Tunnel Testing," AIAA Paper 2017-3718, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Boyd, D. D., "Rotorcraft Noise Optimization Update," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Boyd, D. D., Greenwood, E., Watts, M. E., and Lopes, L. V., "Examination of a Rotorcraft Noise Prediction Method and Comparison to Flight Test Data," NASA/TM-2017-219370, January, 2017. NTRS
  • Brown, M. C., and Jones, M. G., "Effects of Cavity Diameter on Acoustic Impedance of Perforate-Over-Honeycomb Liners," AIAA Paper 2017-4189, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Conner, D. A., Stephenson, J. H., Sim, B. W., Watts, M. E., Greenwood, E., and Smith, C. D., "Joint Eglin Acoustics Week 2013 Data Report," NASA/TM-2017-219681; AMRDEC-SR-RDMR-AD-17-02, November, 2017. NTRS
  • Depuru-Mohan, N. K., and Doty, M. J., "Active Chevrons for Jet Noise Reduction," 24th International Congress on Sound and Vibration, London, United Kingdom, 23 - 27 July, 2017. NTRS
  • Doty, M. J., "Overview of Unmanned Aircraft System (UAS) Noise Research at NASA Langley Research Center," Aircraft Noise and Emissions Reduction Symposium, Alexandria, Virginia, 20 - 21 April, 2017. NTRS
  • Greenwood, E., "Helicopter Flight Procedures for Community Noise Reduction," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017. NTRS
  • Greenwood, E., "Real Time Helicopter Noise Modeling for Pilot Community Noise Awareness," Noise-Con 2017, Grand Rapids, Michigan, 12 - 14 June, 2017.
  • Greenwood, E., "Rotorcraft Aeroacoustics Experimental Flight Research," The University of Florida, Department of Mechanical and Aerospace Engineering Seminar Series, 1 September, 2017.
  • Greenwood, E., "Semiempirical Noise Modeling for Helicopter Flight Operations," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Guo, Y., Pope, D. S., Burley, C. L., and Thomas, R. H., "Aircraft System Noise Shielding Prediction Method with a Kirchhoff Integral Method," AIAA Paper 2017-3196, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Haskin, H. H., and Quinto, P. F., "14x22 Foot Subsonic Wind Tunnel Acoustic Upgrades," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Hutcheson, F. V., "On the Reduction of Flap Side Edge Noise," CREATe Colloquium Series, Virginia Tech Center for Renewable Energy and Aerodynamic Technology, Department of Aerospace and Ocean Engineering, Virginia Tech, 15 March, 2017.
  • Hutcheson, F. V., Bahr, C. J., and Stead, D. S., "NATO/QFF Fundamental Shielding Study," NASA Acoustics Technical Working Group Meeting, Fall 2017, Cleveland, Ohio, 17 - 18 October, 2017.
  • Hutcheson, F. V., Bahr, C. J., and Stead, D. S., "NATO/QFF Fundamental Shielding Study," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Hutcheson, F. V., Spalt, T. B., Brooks, T. F., and Plassman, G. E., "Airframe noise from a hybrid wing body aircraft configuration," International Journal of Aeroacoustics, Vol. 16, Nos. 7 & 8, pp. 540 - 562, November, 2017. DOI
  • Hutcheson, F. V., Spalt, T. B., Brooks, T. F., and Plassman, G. E., "Airframe Noise from a Hybrid Wing Body Aircraft Configuration," Presentation at the NIA, Hampton, Virginia, 6 June, 2017.
  • Lopes, L. V., "Compact Assumption Applied to Monopole Term of Farassat's Formulations," Journal of Aircraft, Vol. 54, No. 5, pp. 1649 - 1663, September - October, 2017. DOI
  • Lopes, L. V., Boyd, D. D., Nark, D. M., and Wiedemann, K. E., "Identification of Spurious Signals from Permeable Ffowcs Williams and Hawkings Surfaces," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017. NTRS
  • Lopes, L. V., Iyer, V. R., and Born, J. C., "Robust Acoustic Objective Functions and Sensitivities in Adjoint-Based Design Optimizations," AIAA Paper 2017-1673, AIAA Scitech 2017 Forum (55th AIAA Aerospace Sciences Meeting), Grapevine, Texas, 9 - 13 January, 2017. DOI NTRS
  • Miller, S. A. E., "Prediction of Turbulent Boundary Layer Noise," AIAA Journal, Vol. 55, No. 5, pp. 1659 - 1672, May, 2017. DOI
  • Rafaelof, M., Christian, A. W., Shepherd, K. P., Rizzi, S. A., and Stephenson, J. H., "Establishing the response of low frequency auditory filters," 174th Meeting of the ASA, New Orleans, Louisiana, 4 - 8 December, 2017. DOI NTRS
  • Rizzi, S. A., "Auralization of Noise of Future Air Vehicles," Chalmers University of Technology Seminar, Gothenburg, Sweden, 21 September, 2017.
  • Rizzi, S. A., "Auralization of Noise of Future Air Vehicles," Rensselaer Polytechnic Institute Seminar, Troy, New York, 30 October, 2017.
  • Rizzi, S. A., "NASA's Acoustic Modeling and Simulation Tools for Perception-Influenced Design of Urban eVTOL Systems (a.k.a. Uber Elevate Noise Auralizations)," NASA Acoustics Technical Working Group Meeting, Fall 2017, Cleveland, Ohio, 17 - 18 October, 2017.
  • Rizzi, S. A., Christian, A. W., and Rafaelof, M., "A Laboratory Method for Assessing Audibility and Localization of Rotorcraft Fly-In Noise," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017. NTRS
  • Rizzi, S. A., Palumbo, D. L., Rathsam, J., Christian, A. W., and Rafaelof, M., "Annoyance to Noise Produced by a Distributed Electric Propulsion System," AIAA Paper 2017-4050, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI NTRS
  • Sarradj, E., Herold, G., Sijtsma, P., Merino-Martínez, R., Malgoezar, A., Snellen, M., Geyer, T. F., Bahr, C. J., Porteous, R., Moreau, D. J., and Doolan, C. J., "A microphone array method benchmarking exercise using synthesized input data," AIAA Paper 2017-3719, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Stephenson, J. H., "Recent Developments in Rotorcraft Acoustic Flight Testing," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.
  • Stephenson, J. H., and Tinney, C. E., "Extracting Blade-Vortex Interactions Using Continuous Wavelet Transforms," Journal of the American Helicopter Society, Vol. 62, No. 2, April, 2017. DOI
  • Stephenson, J. H., Sim, B. W., Chitta, S., and Steinhoff, J., "Sound Diffraction Modeling of Rotorcraft Noise Around Terrain," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017. NTRS
  • Thomas, R. H., "Aircraft System Noise Prediction and Technology to Achieve the NASA Aeronautics Noise Goals," DLR Kolloquium, Göttingen, Germany, 25 August, 2017.
  • Thomas, R. H., "Aircraft System Noise Prediction and Technology to Achieve the NASA Aeronautics Noise Goals," TU Braunschweig Seminar, Braunschweig, Germany, 24 August, 2017.
  • Thomas, R. H., and Guo, Y., "Ground Noise Contour Prediction for a NASA Hybrid Wing Body Subsonic Transport Aircraft," AIAA Paper 2017-3194, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Thomas, R. H., and Van Zante, D. E., "Future Aircraft and Propulsion System Concepts," CAEP11 Independent Experts Integrated Review (IEIR), 24 - 28 April, 2017.
  • Thomas, R. H., Czech, M. J., and Elmiligui, A. A., "Active Aircraft Pylon Noise Control System," U.S. Patent 9,669,921, 6 June, 2017. NTRS
  • Thomas, R. H., Guo, Y., and Rizzi, S. A., "Progress in Community Noise Reduction Research with Advanced Subsonic Transport Concepts Including Auralization," UC Davis 2017 Aviation Noise & Air Quality Symposium, Palm Springs, California, 26 February - 1 March, 2017.
  • Thomas, R. H., Guo, Y., Berton, J. J., and Fernandez, H., "Aircraft Noise Reduction Technology Roadmap Toward Achieving the NASA 2035 Noise Goal," AIAA Paper 2017-3193, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI
  • Thomas, R. H., Guo, Y., Clark, I. A., and June, J. C., "Aircraft System Noise Far Term Technology Roadmap and Developments," NASA Acoustics Technical Working Group Meeting, Fall 2017, Cleveland, Ohio, 17 - 18 October, 2017.
  • Tuttle, B. C., Aumann, A. R., Rizzi, S. A., Jones, J. J., and Lopes, L. V., "Flyover Noise Simulation Using NASA's Coupled Aircraft System Noise Prediction and Auralization Frameworks," Noise-Con 2017, Grand Rapids, Michigan, 12 - 14 June, 2017.
  • Watts, M. E., "NASA Research Into Community Noise Reduction," Flying Quiet Webinar, Alexandria, Virginia, 16 November, 2017.
  • Watts, M. E., "Rotorcraft Acoustic Flight Testing for Community Noise Reduction," Noise-Con 2017, Grand Rapids, Michigan, 12 - 14 June, 2017.
  • Yoon, S., Diaz, P. V., Boyd, D. D., Chan, W. M., and Theodore, C. R., "Computational Aerodynamic Modeling of Small Quadcopter Vehicles," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017.
  • Zawodny, N. S., and Boyd, D. D., "Investigation of Rotor-Airframe Interaction Noise Associated with Small-Scale Rotary-Wing Unmanned Aircraft Systems," AHS 73rd Annual Forum, Fort Worth, Texas, 9 - 11 May, 2017. NTRS
  • Zawodny, N. S., and Haskin, H. H., "Recent Progress on Small Propeller and UAS Testing in the Low Speed Aeroacoustic Wind Tunnel (LSAWT)," NASA Acoustics Technical Working Group Meeting, Fall 2017, Cleveland, Ohio, 17 - 18 October, 2017.
  • Zawodny, N. S., and Haskin, H. H., "Small Propeller and Rotor Testing Capabilities of the NASA Langley Low Speed Aeroacoustic Wind Tunnel," AIAA Paper 2017-3709, AIAA Aviation 2017 Forum (23rd AIAA/CEAS Aeroacoustics Conference), Denver, Colorado, 5 - 9 June, 2017. DOI NTRS
  • Zawodny, N. S., Boyd, D. D., and Haskin, H. H., "Progress on Small Unmanned Aerial System (sUAS) Noise Characterization," NASA Acoustics Technical Working Group Meeting, Spring 2017, Hampton, Virginia, 11 - 12 April, 2017.