Experimental investigation of the effect of sectional airfoil profile deviation on propeller noise

H Wu, W Chen, H Jiang, S Zhong, X Zhang - Physics of Fluids, 2023 - pubs.aip.org
The geometry of the sectional airfoil has a determinative impact on the aeroacoustic
characteristics of propellers. However, there are always slight deviations in the practical …

Aeroacoustic characteristics of distributed electric propulsion system in forward flight

B Turhan, H Kamliya Jawahar, L Bowen… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4490. vid This study presents a
detailed experimental investigation of the aerodynamic and aeroacoustic characteristics of …

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 …

Rotor noise in non-axial inflow conditions

L Hanson, Z Yi, B Zang, M Azarpeyvand - Applied Acoustics, 2025 - Elsevier
This paper presents an experimental study on characterising the aerodynamic and far-field
acoustic performance of rotors operating in non-axial inflow conditions. The current …

Acoustic Performance of Co-and Counter-Rotating Synchronized Propellers

BB Turhan, HK Jawahar, A Gautam, D Rezgui… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
The understanding and reduction of noise from the new generation of electric propeller-
driven aircraft, such as those adopted in Electric Distributed Propulsion (DEP) …

Propeller Noise Prediction Capabilities within SU2

L Galimberti, M Morelli, A Guardone… - AIAA Scitech 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1548. vid Aircraft noise is a major
problem in aerospace research, in particular, propeller noise is a concern for several …

Effect of rotational speed mismatch on a twin propeller system: Aeroacoustics study

F Ahmed, BB Turhan, D Rezgui… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
A comprehensive aeroacoustics study was conducted on distributed electric propulsion
(DEP) systems, focusing on small-scale, novel aircraft within the Urban Air Mobility (UAM) …

Optimisation of Propellers with Noise-Based Constraints Including a Deep Learning Method for Aerofoil Prediction

SF Pullin, BY Zhou, M Azarpeyvand - 28th AIAA/CEAS Aeroacoustics …, 2022 - arc.aiaa.org
The increased interest in Urban Air Mobility in recent years has created a new class of
aircraft design concepts that will be subject to strict noise emission limits due to the desired …

Numerical and experimental investigation of propeller noise with trailing-edge serrations

B Zang, LP Hanson, A Stoltz, WH Ho, X Liu… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3835. vid The present study
examines the effect of trailing-edge serrations on propeller noise at both hover and forward …

A multivariate and wavelet-based analysis on the wall pressure fluctuations for propellers in ground effect

H Kamliya Jawahar, L Hanson… - International …, 2024 - journals.sagepub.com
This study, conducted at the University of Bristol's aeroacoustic facility, explores the
aeroacoustic characteristics of a 10-inch APC propeller in pusher configuration within …