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 …

[HTML][HTML] Experimental analysis of a propeller noise in turbulent flow

NS Jamaluddin, A Celik, K Baskaran, D Rezgui… - Physics of …, 2023 - pubs.aip.org
This paper presents a comprehensive experimental aeroacoustic investigation of a propeller
under turbulence ingestion. Two turbulence-generating passive grids were utilized to …

Experimental Analysis of Rotor Blade Noise in Edgewise Turbulence

NS Jamaluddin, A Celik, K Baskaran, D Rezgui… - Aerospace, 2023 - mdpi.com
This paper presents an experimental investigation into the effects of turbulence ingestion on
the aerodynamic noise characteristics of rotor blades in edgewise flight. A small-scaled, two …

Aeroacoustic and aerodynamic characteristics of propeller tip geometries

LP Hanson, K Baskaran, SF Pullin, BY Zhou… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
A series of experiments were conducted in an aeroacoustic wind tunnel facility to investigate
the aerodynamic performance and noise characteristics of propellers with various …

Interactions of Propellers in Edgewise Flight with Turbulence

LP Hanson, L Bowen, B Zang… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3656. vid Experiments were
conducted to establish the impacts on the aerodynamics and aeroacoustics of propellers …

Effect of tip gap on nearfield and farfield acoustics of propeller boundary layer ingestion

I Zaman, M Falsi, B Zang, M Azarpeyvand… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4055. vid The present work reports
an experimental campaign performed to investigate the effect of the tip gap on the far-field …

Aeroacoustic Interactions of a Trailing Edge Mounted Propeller and Flat Plate

LP Hanson, K Baskaran, B Zang… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
A set of experiments were carried out within an aeroacoustic wind tunnel facility to
investigate parametrically the acoustic interactions of a propeller positioned above two flat …

Aeroacoustic characteristics of distributed electric propulsion configuration with turbulent flows

L Bowen, B Turhan, H Kamliya Jawahar… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4294. vid Experiments were
carried out to investigate the aerodynamic and aeroacoustic characteristics of a distributed …

Experimental study of the turbulence ingestion noise of rotor blades

H Wu, Y Li, X Zhang, S Zhong, X Huang - Physical Review Fluids, 2024 - APS
The ingestion of turbulence can cause additional noise sources of rotor blades, which
should be considered for multirotor powered urban air mobility vehicles encountering …

Aeroacoustic performance of rotors in tandem configuration

A Celik, NS Jamaluddin, K Baskaran… - AIAA AVIATION 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2282. vid This experimental study
presented in this paper aims at understanding the complex aeroacoustics relationship …