Effects of flow recirculation on unmanned aircraft system (UAS) acoustic measurements in closed anechoic chambers JH Stephenson, D Weitsman, NS Zawodny The Journal of the Acoustical Society of America 145 (3), 1153-1155, 2019 | 74 | 2019 |
Effects of flow recirculation on acoustic and dynamic measurements of rotary-wing systems operating in closed anechoic chambers D Weitsman, JH Stephenson, NS Zawodny The Journal of the Acoustical Society of America 148 (3), 1325-1336, 2020 | 43 | 2020 |
Acoustic flight test of the joby aviation advanced air mobility prototype vehicle KA Pascioni, ME Watts, M Houston, A Lind, JH Stephenson, J Bain 28th AIAA/CEAS Aeroacoustics 2022 Conference, 3036, 2022 | 34 | 2022 |
Dynamical characteristics of the tip vortex from a four-bladed rotor in hover SM Mula, JH Stephenson, CE Tinney, J Sirohi Experiments in fluids 54, 1-14, 2013 | 34 | 2013 |
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 | 19 | 2014 |
Noise abatement flight test data report ME Watts, E Greenwood, C Smith, J Stephenson NASA TM 220264, 2019, 2019 | 16 | 2019 |
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 |
Characterizing the effects of two ground-based outdoor microphone configurations MC Anderson, JH Stephenson, NS Zawodny, KL Gee Proceedings of Meetings on Acoustics 39 (1), 2019 | 9 | 2019 |
Measurement and characterization of helicopter noise at different altitudes ME Watts, E Greenwood, J Stephenson American Helicopter Society (AHS) Annual Forum, 2016 | 8 | 2016 |
Vortex jitter in hover SM Mula, J Stephenson, CE Tinney, J Sirohi American helicopter society southwest region technical specialists meeting …, 2011 | 8 | 2011 |
Medium-sized helicopter noise abatement flight test KA Pascioni, E Greenwood, ME Watts, CD Smith, JH Stephenson The Vertical Flight Society's 76th Annual Forum & Technology Display, 2020 | 7 | 2020 |
Extracting blade–vortex interactions using continuous wavelet transforms JH Stephenson, CE Tinney Journal of the American Helicopter Society 62 (2), 1-10, 2017 | 7 | 2017 |
Effects of vehicle weight and true versus indicated airspeed on BVI noise during steady descending flight JH Stephenson, E Greenwood Annual AHS Forum and Technology Display, 2015 | 6 | 2015 |
Helicopter acoustic flight test with altitude variation and maneuvers ME Watts, E Greenwood, B Sim, J Stephenson, CD Smith | 5 | 2016 |
Dynamical and evolutionary characteristics of the tip vortex from a four-bladed rotor in hover SM Mula, J Stephenson, CE Tinney, J Sirohi American Helicopter Society 68th Annual Forum, Fort Worth, TX, May, 1-3, 2012 | 5 | 2012 |
The near field pressure of a small-scale rotor during hover. J Stephenson, C Tinney, J Sirohi 48th AIAA aerospace sciences meeting including the New Horizons Forum and …, 2010 | 5 | 2010 |
Medium-sized helicopter noise abatement flight test data report KA Pascioni, E Greenwood, ME Watts, CD Smith, JH Stephenson | 4 | 2021 |
Yuma 2022 rotorcraft acoustic flight test J Stephenson, A Lind, C Hutchins, K Pascioni, M Houston, P Martin | 3 | 2022 |
Aeroacoustic Measurements from the Aerodynamic and Acoustic Rotorprop Test (AART) in the National Full-Scale Aerodynamics Complex (NFAC) 40-by 80-Foot Wind Tunnel JH Stephenson, NL Schatzman, BK Cheung, NS Zawodny, DC Sargent, ... 77th Annual Forum & Technology Display, 2021 | 3 | 2021 |
Audibility of multiple, low-frequency tonal signals in noise M Rafaelof, AW Christian, KP Shepherd, SA Rizzi, JH Stephenson | 3 | 2019 |