Presentations & Publications - 2020


  • Anderson, M. C., Stephenson, J. H., Zawodny, N. S., and Gee, K. L., "Characterization of the effects of ground boards on acoustic signals," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Bahr, C. J., "Deconvolution in Reverberant Wind Tunnels: A DAMAS Study," Presentation, AIAA Aviation 2020 Forum (26th AIAA/CEAS Aeroacoustics Conference), Virtual, 15 - 19 June, 2020.
  • Bahr, C. J., "Laser-Induced Acoustic Source Analysis in Aeroacoustic Wind Tunnel Facilities," Hybrid Anechoic Wind Tunnel Workshop, Virtual, 9 & 11 June, 2020. NTRS
  • Bahr, C. J., and Lockard, D. P., "Designing shading schemes for microphone phased arrays," BeBeC-2020-S1, 8th Berlin Beamforming Conference, Berlin, Germany, 2 - 3 March, 2020. NTRS
  • Bahr, C. J., and Lockard, D. P., "Designing shading schemes for microphone phased arrays," NASA Acoustics Technical Working Group Meeting, Fall 2020, Virtual, 3 - 4 November, 2020. NTRS
  • Boucher, M. A., Christian, A. W., Krishnamurthy, S., and Rizzi, S. A., "A perceptual evaluation of the efficacy of Sound Exposure Level in the rating of annoyance to helicopter noise," VFS 76th Annual Forum, Virtual, 5 - 8 October, 2020. NTRS
  • Boyd, D. D., "UAM Noise Working Group: Subgroup 1 Update," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2020, Virtual, 5 November, 2020. NTRS
  • Boyd, D. D., and Bent, P., "Subgroup 1: Tools and Technologies Update," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2020, Virtual, 9 April, 2020.
  • Boyd, D. D., Rizzi, S., and Cheng, R., "Calculation of Gen-1 Noise-Power-Distance Data for UAM Vehicles for Community Noise Assessments," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2020, Virtual, 5 November, 2020. NTRS
  • Christian, A. W., Boucher, M., Krishnamurthy, S., and Rizzi, S. A., "A psychoacoustic test to explore the efficacy of Sound Exposure Level for characterizing annoyance due to rotorcraft sound," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Doty, M. J., "NASA Urban Air Mobility Noise Working Group Activities," Transportation Research Board, Washington, D.C., 13 January, 2020.
  • Ginn, S., and Pascioni, K. A., "The Advanced Air Mobility National Campaign: An Overview and Plans for Acoustic Testing," NASA Acoustics Technical Working Group Meeting, Fall 2020, Virtual, 3 - 4 November, 2020. NTRS
  • Heath, S. L., "14x22 Tunnel Treatment Preparations - Examination of Acoustic Basket Material," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Heath, S., and Lopes, L. V., "Curved Ray Propagation Kernel - Theory and Implementation in NAF and ANOPP2 ," NASA Acoustics Technical Working Group Meeting, Fall 2020, Virtual, 3 - 4 November, 2020.
  • Horne, W. C., Burnside, N. J., Schery, S. D., Podboy, G. G., Bahr, C. J., Hutcheson, F. V., Stead, D. J., and Humphreys, W. M., "In-flow Reference Array / Sources: Results from Recent Experiments and Acoustic Model Development," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Hutcheson, F. V., Stead, D. J., and Moen, J. A., "14x22 Acoustic Treatment Preparations - Alleviating Scrubbing Noise from the 14x22 Test Section Floor," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020. NTRS
  • Jones, M. G., Watson, W. R., Nark, D. M., Howerton, B. M., and Brown, M. C., "A Review of Acoustic Liner Experimental Characterization at NASA Langley," NASA/TP-2020-220583, April, 2020. NTRS
  • June, J. C., Thomas, R. H., and Guo, Y., "System Noise Prediction Uncertainty Quantification for a Hybrid Wing-Body Transport Concept," AIAA Journal, Vol. 58, No. 3, pp. 1157 - 1170, March, 2020. DOI
  • Lopes, L. V., "ANOPP2 v1.3 and Progress Toward a Graphical User Interface (GUI)," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Pascioni, K. A., "Medium-Sized Helicopter Noise Abatement Flight Test," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Pascioni, K. A., "Subgroup 2: Ground and Flight Testing Update," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2020, Virtual, 9 April, 2020.
  • Pascioni, K. A., Greenwood, E., Watts, M. E., Smith, C. D., and Stephenson, J. H., "Medium-Sized Helicopter Noise Abatement Flight Test," VFS 76th Annual Forum, Virtual, 5 - 8 October, 2020. NTRS
  • Pettingill, N. A., and Zawodny, N. S., "Ideally Twisted Rotor Testing and Predictions," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020. NTRS
  • Rizzi, S. A., "NASA RVLT UAM Fleet Noise Overview," FAA-NASA UAS/UAM AEDT Modeling Coordination Meeting, Virtual, 10 April, 2020.
  • Rizzi, S. A., "Revolutionary Vertical Lift Technology Project UAM Operational Fleet Noise Assessment Technical Challenge Overview," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2020, Virtual, 5 November, 2020. NTRS
  • Rizzi, S. A., "Summary of the UAM Noise Working Group White Paper," Aerial Mobility: Noise Issues and Technology, A TQA Virtual Workshop, 2 - 3 December, 2020. NTRS
  • Rizzi, S. A., "UAM Fleet Noise Assessments Using the FAA Aviation Environmental Design Tool (AEDT)," Aerial Mobility: Noise Issues and Technology, A TQA Virtual Workshop, 2 - 3 December, 2020. NTRS
  • Rizzi, S. A., "UAM Noise: Current Practice, Gaps, and Recommendations," NASA Tech Talks, Virtual, 28 February, 2020.
  • Rizzi, S. A., and Huff, D. L., "UAM Noise Working Group Kickoff and Status," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2020, Virtual, 9 April, 2020.
  • Rizzi, S. A., and Josephson, D. L., "Subgroup 3: Metrics Update," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2020, Virtual, 9 April, 2020.
  • Rizzi, S. A., and Rafaelof, M., "Gen-1 UAM Fleet Noise Assessments Using the FAA Aviation Environmental Design Tool (AEDT)," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2020, Virtual, 5 November, 2020. NTRS
  • Rizzi, S. A., Berton, J. J., and Tuttle, B. C., "Auralization of a Supersonic Business Jet Using Advanced Takeoff Procedures," AIAA Paper 2020-0266, AIAA Scitech 2020 Forum, Orlando, Florida, 6 - 10 January, 2020. DOI NTRS
  • Rizzi, S. A., Huff, D. L., Boyd, D. D., Bent, P., Henderson, B. S., Pascioni, K. A., Sargent, D. C., Josephson, D. L., Marsan, M., He, H., and Snider, R., "Urban Air Mobility Noise: Current Practice, Gaps, and Recommendations," NASA/TP-2020-5007433, October, 2020. NTRS
  • Stephenson, J. H., Watts, M. E., Greenwood, E., and Pascioni, K. A., "Development and Validation of Generic Maneuvering Flight Noise Abatement Guidance for Helicopters," VFS 76th Annual Forum, Virtual, 5 - 8 October, 2020. NTRS
  • Szőke, M., Bahr, C. J., Hutcheson, F. V., and Devenport, W. J., "Characterization of Hybrid Wind Tunnel Environments Using Laser-Induced Acoustic Sources," AIAA Paper 2020-1253, AIAA Scitech 2020 Forum, Orlando, Florida, 6 - 10 January, 2020. DOI
  • Thomas, R. H., Clark, I. A., and June, J. C., "Noise Reduction Technology Implementation for a Quieter Subsonic Transport System," SAE AeroTech Conference, Pasadena, California, 17 - 19 March, 2020.
  • Thomas, R. H., Guo, Y., Clark, I. A., and June, J. C., "Propulsion Airframe Aeroacoustics and Aircraft System Noise Flight Test on the Boeing ecoDemonstrator 2020: Part 1 NASA," NASA Acoustics Technical Working Group Meeting, Fall 2020, Virtual, 3 - 4 November, 2020. NTRS
  • Thurman, C. S., "Multi-fidelity Computational Noise Prediction of Representative Small Unmanned Aerial System (sUAS) Rotors," Academic Briefing with the National Institute of Aerospace, Hampton, Virginia, 19 March, 2020. NTRS
  • Thurman, C. S., Zawodny, N. S., and Baeder, J. D., "Computational Prediction of Broadband Noise from a Representative Small Unmanned Aerial System Rotor," VFS 76th Annual Forum, Virtual, 5 - 8 October, 2020. NTRS
  • Weitsman, D., Stephenson, J. H., and Zawodny, N. S., "Effects of flow recirculation on acoustic and dynamic measurements of rotary-wing systems operating in closed anechoic chambers," The Journal of the Acoustical Society of America, Vol. 148, No. 3, pp. 1325 - 1336, September, 2020. DOI
  • Zawodny, N. S., and Boyd, D. D., "Investigation of Rotor-Airframe Interaction Noise Associated with Small-Scale Rotary-Wing Unmanned Aircraft Systems," Journal of the American Helicopter Society, Vol. 65, No. 1, pp. 1 - 17, January, 2020. DOI
  • Zawodny, N. S., Boyd, D. D., and Nark, D. M., "Preliminary Results of Prop-Wing Interaction Experiments and Predictions," NASA Acoustics Technical Working Group Meeting, Spring 2020, Virtual, 7 - 8 April, 2020.
  • Zhang, Y., Richardson, R., Cattafesta, L. N., Pascioni, K. A., Choudhari, M. M., Lockard, D. P., Khorrami, M. R., and Turner, T. L., "Slat Noise Control Using a Slat Gap Filler," AIAA Paper 2020-2553, AIAA Aviation 2020 Forum (26th AIAA/CEAS Aeroacoustics Conference), Virtual, 15 - 19 June, 2020. DOI NTRS