Challenges and opportunities for low noise electric aircraft

E Greenwood, KS Brentner, RF Rau… - International Journal …, 2022 - journals.sagepub.com
A new class of electric aircraft is being developed to transport people and goods as a part of
the urban and regional transportation infrastructure. To gain public acceptance of these …

Review of vortex methods for rotor aerodynamics and wake dynamics

H Lee, B Sengupta, MS Araghizadeh… - Advances in …, 2022 - Springer
Electric vertical take-off and landing (eVTOL) aircraft with multiple lifting rotors or prop-rotors
have received significant attention in recent years due to their great potential for next …

Mid-fidelity approach to aerodynamic simulations of unconventional VTOL aircraft configurations

M Tugnoli, D Montagnani, M Syal, G Droandi… - Aerospace Science and …, 2021 - Elsevier
A new flexible medium-fidelity open source computational tool was developed with the
purpose of obtaining fast and reliable aerodynamic simulations of unconventional Vertical …

Aerodynamic interaction between tandem overlapping propellers in eVTOL airplane mode flight condition

A Zanotti, D Algarotti - Aerospace Science and Technology, 2022 - Elsevier
The architecture of new electric aircraft concepts (eVTOLs) for urban air mobility is typically
characterised by multi-propellers in tandem configurations with different degrees of rotor …

High-fidelity modeling of multirotor aerodynamic interactions for aircraft design

EJ Alvarez, A Ning - AIAA Journal, 2020 - arc.aiaa.org
Electric aircraft technology has enabled the use of multiple rotors in novel concepts for urban
air mobility. However, multirotor configurations introduce strong aerodynamic and …

[HTML][HTML] Sustainable aircraft design—A review on optimization methods for electric propulsion with derived optimal number of propulsors

PF Pelz, P Leise, M Meck - Progress in Aerospace Sciences, 2021 - Elsevier
The high environmental impact of conventional aircraft can be considerably reduced using
hybrid-or fully-electrical propulsion systems with distributed propulsors. It results in an …

Generic design methodology for vertical takeoff and landing aircraft with hybrid-electric propulsion

D Lee, D Lim, K Yee - Journal of Aircraft, 2022 - arc.aiaa.org
This paper proposes a conceptual methodology for designing vertical takeoff and landing
aircraft with a hybrid-electric propulsion system as an alternative to facilitate intercity …

Stable vortex particle method formulation for meshless large-eddy simulation

EJ Alvarez, A Ning - AIAA Journal, 2024 - arc.aiaa.org
A novel formulation of the vortex particle method (VPM) is developed for large-eddy
simulation (LES) in a meshless scheme that is numerically stable. A new set of VPM …

Rotor-on-rotor aeroacoustic interactions of multirotor in hover

EJ Alvarez, A Schenk, T Critchfield, A Ning - Journal of the American …, 2020 - par.nsf.gov
Multirotor configurations introduce complicated aerodynamic and aeroacoustic interactions
that must be considered during aircraft design. In this paper we explore two numerical …

Application of actuator line model for large eddy simulation of rotor noise control

Y Delorme, R Stanly, SH Frankel… - Aerospace Science and …, 2021 - Elsevier
Abstract A hybrid Large Eddy Simulation (LES)/Actuator Line Model (ALM) computational
approach is employed to simulate the turbulent wake of a two-bladed rotor in hover …