Rotor/airframe aeroacoustic prediction for EVTOL UAM aircraft

Daniel A. Wachspress, Michael K. Yu, Kenneth S. Brentner

Research output: Contribution to conferencePaper

Abstract

A major innovative thrust in urban air mobility (UAM) is underway that will potentially transform how we travel by providing on-demand, affordable, quiet, and fast passenger-carrying operations in metropolitan areas using electric-powered vertical take-off and landing (eVTOL) aircraft. To support this, it is propitious to enhance existing VTOL aircraft analysis and design tools as necessary and provide these enhanced tools to entrepreneurs attempting to design this new breed of aircraft. In this regard, work was performed to enhance an existing VTOL aircraft aeroacoustics analysis with additional modeling capabilities useful for comprehensive acoustic prediction of Distributed Electric Propulsion (DEP) aircraft noise. The goal is to develop software that will provide fast, accurate prediction of acoustic characteristics associated with DEP aircraft, including (1) noise generated by the simultaneous operation of multiple, variable RPM lifting and propelling rotors and props, (2) interacting rotor/prop/duct/airframe noise, including strut noise and prop/wing interaction noise, (3) broadband noise characteristic of eVTOL configurations, and (4) electric motor noise. This paper describes initial work toward these goals that was performed to enhance and validate a fast method for predicting rotor/airframe noise for combinations of rotor, props, struts, ducts and wings.

Original languageEnglish (US)
StatePublished - Jan 1 2019
EventVertical Flight Society's 75th Annual Forum and Technology Display - Philadelphia, United States
Duration: May 13 2019May 16 2019

Conference

ConferenceVertical Flight Society's 75th Annual Forum and Technology Display
CountryUnited States
CityPhiladelphia
Period5/13/195/16/19

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Control and Systems Engineering

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  • Cite this

    Wachspress, D. A., Yu, M. K., & Brentner, K. S. (2019). Rotor/airframe aeroacoustic prediction for EVTOL UAM aircraft. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.