Challenges and opportunities for low noise electric aircraft E Greenwood, KS Brentner, RF Rau, ZF Gan International Journal of Aeroacoustics, 2022 | 60 | 2022 |
Measurements and Characterization of Helicopter Noise in Steady-State and Maneuvering Flight FH Schmitz, E Greenwood, R Sickenberger, G Gopalan, BWC Sim, ... ANNUAL FORUM PROCEEDINGS-AMERICAN HELICOPTER SOCIETY 63 (1), 28, 2007 | 36 | 2007 |
A Maneuvering Flight Noise Model for Helicopter Mission Planning E Greenwood, R Rau Journal of the American Helicopter Society, 2020 | 35 | 2020 |
A semiempirical noise modeling method for helicopter maneuvering flight operations E Greenwood, FH Schmitz, RD Sickenberger Journal of the American Helicopter Society 60 (2), 1-13, 2015 | 31 | 2015 |
Fundamental Rotorcraft Acoustic Modeling from Experiments (FRAME) E Greenwood II University of Maryland, College Park, 2011 | 29 | 2011 |
Helicopter flight procedures for community noise reduction E Greenwood American Helicopter Society 73rd Annual Forum, 2017 | 27 | 2017 |
Separation of main and tail rotor noise from ground-based acoustic measurements E Greenwood, FH Schmitz Journal of Aircraft 51 (2), 464-472, 2014 | 27* | 2014 |
A Parameter Identification Method for Helicopter Noise Source Identification and Physics-Based Semiempirical Modeling E Greenwood, FH Schmitz Journal of the American Helicopter Society 63 (3), 1-14, 2018 | 22* | 2018 |
Parametric Study of eVTOL Rotor Acoustic Design Trades D Weitsman, E Greenwood AIAA Scitech 2021 Forum, 1987, 2021 | 21 | 2021 |
Time frequency analysis of sound from a maneuvering rotorcraft JH Stephenson, CE Tinney, E Greenwood, ME Watts Journal of Sound and Vibration 333 (21), 5324-5339, 2014 | 20 | 2014 |
Noise abatement flight test data report ME Watts, E Greenwood, CD Smith, JH Stephenson NASA TM 220264, 2019, 2019 | 17 | 2019 |
Ground-based Acoustic Measurements of Small Multirotor Aircraft NB Konzel, E Greenwood Vertical Flight Society 78th Annual Forum, 2022 | 16 | 2022 |
Time Variation of Helicopter Rotor Broadband Noise ZF Gan, KS Brentner, E Greenwood 28th AIAA/CEAS Aeroacoustics 2022 Conference, 2914, 2022 | 15* | 2022 |
Helicopter External Noise Radiation in Turning Flight: Theory and Experiment E Greenwood, FH Schmitz, G Gopalan, BWC Sim ANNUAL FORUM PROCEEDINGS-AMERICAN HELICOPTER SOCIETY 63 (1), 45, 2007 | 14 | 2007 |
A New Distributed Electric Propulsion Aircraft Simulation Tool for Coupled Flight Dynamics, Free Wake, and Acoustic Predictions ZFT Gan, B Mukherjee, JP Theron, M Botre, KS Brentner, E Greenwood, ... VFS Forum 77, 2021 | 13 | 2021 |
Dynamic Replanning of Low Noise Rotorcraft Operations E Greenwood Vertical Flight Society 75th Annual Forum, 2019 | 13 | 2019 |
Maneuver acoustic flight test of the bell 430 helicopter data report ME Watts, E Greenwood, CD Smith, R Snider, DA Conner | 13 | 2014 |
Development of “Aria,” a Compact, Quiet Personal Electric Helicopter D Coleman, A Halder, F Saemi, C Runco, H Denton, B Lee, ... Journal of the American Helicopter Society, 2023 | 12* | 2023 |
Development and validation of generic maneuvering flight noise abatement guidance for helicopters JH Stephenson, ME Watts, E Greenwood, KA Pascioni Journal of the American Helicopter Society 67 (1), 1-12, 2022 | 11 | 2022 |
Regarding the Perceptual Significance and Characterization of Broadband Components of Helicopter Source Noise A Christian, J Caston, E Greenwood Vertical Flight Society 75th Annual Forum, 2019 | 11 | 2019 |