Presentations & Publications - 2023


  • Bahr, C. J., "Velocity discontinuity propagation model validation using an approximate point source in motion," The Journal of the Acoustical Society of America, Vol. 153, No. 5, pp. 2900 - 2908, May, 2023. DOI NTRS
  • Blake, J. D., Thurman, C. S., Zawodny, N. S., and Lopes, L. V., "Broadband Predictions of Optimized Proprotors in Axial Forward Flight," AIAA Paper 2023-4183, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023. DOI NTRS
  • Blake, J. D., Thurman, C. S., Zawodny, N. S., and Lopes, L. V., "Predicting Broadband Noise of Proprotors in Axial Flight: Observations and Questions," NASA Acoustics Technical Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 21 - 22 March, 2023.
  • Boucher, M. A., Krishnamurthy, S., Christian, A. W., and Rizzi, S. A., "Sound quality metric indicators of rotorcraft noise annoyance using multilevel analysis," The Journal of the Acoustical Society of America, Vol. 153, No. 2, pp. 867 - 876, February, 2023. DOI
  • Boyd, D. D., "Community Noise Impact of Urban Air Mobility Vehicle Operations," DJINN - ENODISE Conference, Aeroacoustic Installation Effects in Conventional and New Aircraft Propulsion Systems, Berlin, Germany, 22 - 24 November, 2023.
  • Boyd, D. D., "Comprehensive Analysis + Acoustics," NASA Conceptual Design Toolchain Workshop for eVTOL Aircraft, 15 - 17 August, 2023.
  • Boyd, D. D., "Updates to CAMRAD II Modeling of the Smart Twisting Active Rotor (STAR2)," Smart Twisting Active Rotor Planning Meeting, Bückeburg, Germany, 4 September, 2023.
  • Boyle, D. K., Page., J., and Pascioni, K. A., "UAM Noise Working Group Meeting Subgroup 2: Ground & Flight Testing," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 23 March, 2023.
  • Brown, M. C., Nark, D. M., and Jones, M. G., "Preliminary Design of a Distributed Facesheet Acoustic Liner for Broadband Acoustic Attenuation," AIAA Paper 2023-3638, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023. DOI NTRS
  • Brown, M. C., Solano, C., Kreitzman, J. R., and Jones, M. G., "Assessment of Acoustic Behavior for Perforate-Over-Large-Cell Liners," AIAA Paper 2023-3501, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023. DOI NTRS
  • Chitta, S., Houston, M. L., Stephenson, J. H., and Steinhoff, J., "Evaluation of Acoustic Propagation in Layered Media using Wave Confinement," VFS 79th Annual Forum, West Palm Beach, Florida, 16 - 18 May, 2023. DOI NTRS
  • Cluts, J. D., Page, J., and Pascioni, K. A., "UAM Noise Working Group Meeting Subgroup 2: Ground & Flight Testing," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2023, Cleveland, Ohio and Virtual, 2 November, 2023.
  • Guo, Y., "Prediction of Aircraft Noise Scattering," AIAA Aeroacoustics Award Lecture, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023.
  • Houston, M. L., "Snapshot Array Design Analysis using Simulated Flight Test Data," NASA Acoustics Technical Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 21 - 22 March, 2023.
  • Houston, M. L., Stutz, C., Zawodny, N. S., and Pascioni, K. A., "14x22 Acoustics Characterization Test: Overview and Preliminary Results," NASA Acoustics Technical Working Group Meeting, Fall 2023, Cleveland, Ohio and Virtual, 31 October - 1 November, 2023.
  • Humphreys, W. M., Lockard, D. P., and Bahr, C. J., "Characterization of Slat Noise Radiation from a High-Lift Common Research Model," AIAA Journal, Vol. 61, No. 10, pp. 4556 - 4578, October, 2023. DOI
  • Johnston, W., Brown, M. C., Jones, M. G., and Sharma, B., "Comparing Acoustic Prediction Methods for Additively Manufactured Porous Structures," 7th Noise and Vibration: Emerging Methods Conference (NOVEM 2023), Auckland, New Zealand, 10 - 12 January, 2023. NTRS
  • Kottapalli, S., Silva, C., and Boyd, D. D., "Effect of Rotor Blade Elasticity on UAM Quadrotor Acoustics," VFS 79th Annual Forum, West Palm Beach, Florida, 16 - 18 May, 2023. DOI NTRS
  • Letica, S. J., Rizzi, S. A., Boyd, D. D., Lopes, L. V., and Iyer, V., "Using the ANOPP2 Mission Analysis Tool (AMAT)," NASA Acoustics Technical Working Group Meeting, Fall 2023, Cleveland, Ohio and Virtual, 31 October - 1 November, 2023.
  • Lopes, L. V., and Ingraham, D. J., "Influence of the Perception Constraint, Observer Position, and Broadband Self-Noise on Low-Fidelity UAM Vehicle Perception-Influenced-Design (PID) Optimization," VFS 79th Annual Forum, West Palm Beach, Florida, 16 - 18 May, 2023. DOI NTRS
  • Lopes, L. V., Boyd, D. D., and Bain, J., "UNWG SG1 Briefing," NASA Urban Air Mobility Noise Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 23 March, 2023.
  • Lopes, L. V., Thurman, C. S., and Bain, J., "UNWG SG1: Tools and Technologies Report Out," NASA Urban Air Mobility Noise Working Group Meeting, Fall 2023, Cleveland, Ohio and Virtual, 2 November, 2023.
  • Pascioni, K. A., and Houston, M. L., "Toward Separation of Noise Sources from eVTOL Flight Test Measurements," NASA Acoustics Technical Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 21 - 22 March, 2023.
  • Rizzi, S. A., "Community Noise Impact of Urban Air Mobility Vehicle Operations," 24th CEAS-ASC Workshop - Aeroacoustics of Electrically Driven Air Vehicles: Towards a Green and Quiet Aviation, Budapest, Hungary, 12 - 13 October, 2023. NTRS
  • Rizzi, S. A., "Community Noise Impact of Urban Air Mobility Vehicle Operations," DLR Colloquium, Göttingen, Germany, 16 October, 2023. NTRS
  • Rizzi, S. A., "Perception-Influenced Acoustic Design of Novel Air Vehicles and Their Operations," Noise Simulation and Perception of Novel Aviation Concepts - Listen to the Future, Aachen, Germany, 17 October, 2023. NTRS
  • Rizzi, S. A., and Rafaelof, M., "On the Modeling of UAM Aircraft Community Noise in AEDT Helicopter Mode," AIAA Paper 2023-3363, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023. DOI NTRS
  • Solano, C., Jones, M. G., Carr, A. N., and Nark, D. M., "High Intensity Modal Impedance Tube Development at NASA Langley," NASA/TM-20230000292, February, 2023. NTRS
  • Thomas, R. H., Guo, Y., Clark, I. A., June, J. C., Shelts, K. M., Jones, J. J., and Potter, N. R., "PAA and Aircraft System Noise Team Overview of Research for the AATT Project," NASA Acoustics Technical Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 21 - 22 March, 2023. NTRS
  • Thurman, C. S., "Broadband Noise Prediction for Small Hovering Rotors: Discoveries and Observations," Feri Farassat Memorial Symposium: New Challenges in Aeroacoustics, Anacapri, Italy, 27 - 29 September, 2023.
  • Thurman, C. S., and Baeder, J. D., "Blade-Wake Interaction Noise for Small Hovering Rotors, Part I: Characterization Study," AIAA Journal, Vol. 61, No. 6, pp. 2552 - 2569, June, 2023. DOI NTRS
  • Thurman, C. S., Boyd, D. D., and Simmons, B. M., "Comparison of Prediction Modeling Methodologies for Aeroacoustic Characterization of Hovering sUAS Rotors," AIAA Paper 2023-0027, AIAA Scitech 2023 Forum, National Harbor, Maryland and Virtual, 23 - 27 January, 2023. DOI NTRS
  • Thurman, C. S., Zawodny, N. S., and Pascioni, K. A., "Computational Study of Vortex-Induced Separation for a 5-Bladed Rotor," VFS 79th Annual Forum, West Palm Beach, Florida, 16 - 18 May, 2023. DOI NTRS
  • Wiedemann, A. D., Fuller, C., and Pascioni, K. A., "An Artificial Neural Network Approach to Predict Rotor-Airframe Acoustic Waveforms," AIAA Paper 2023-4182, AIAA Aviation 2023 Forum (29th AIAA/CEAS Aeroacoustics Conference), San Diego, California and Virtual, 12 - 16 June, 2023. DOI NTRS
  • Zawodny, N. S., and Pascioni, K. A., "Overview of the Vertical Lift Proprotor Performance Test and Outlook for Acoustic Phases of Testing in the 14- by 22-Foot Subsonic Tunnel," NASA Acoustics Technical Working Group Meeting, Spring 2023, Hampton, Virginia and Virtual, 21 - 22 March, 2023.
  • Zawodny, N. S., Pascioni, K. A., and Thurman, C. S., "An Overview of the Proprotor Performance Test in the 14- by 22-Foot Subsonic Tunnel," VFS 79th Annual Forum, West Palm Beach, Florida, 16 - 18 May, 2023. DOI NTRS
  • Zawodny, N. S., Pettingill, N. A., Lopes, L. V., and Ingraham, D. J., "Experimental Validation of an Acoustically and Aerodynamically Optimized UAM Proprotor Part 1: Test Setup and Results," NASA/TM-20220015637, February, 2023. NTRS