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) …

Turbulent Flow Impact on the Acoustic and Aerodynamic Performance of Overlapping Propellers

BB Turhan, HK Jawahar, L Bowen, D Rezgui… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
Experiments were carried out to examine the aerodynamic and aeroacoustic characteristics
of overlapped multi-propeller configurations under various inflow turbulence conditions. The …

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) …

Experimental Characterisation of Cylinder-Induced Turbulence Ingestion in Propellers Operating in Edgewise Flight

LP Hanson, B Zang, M Azarpeyvand - 30th AIAA/CEAS Aeroacoustics …, 2024 - arc.aiaa.org
The present paper investigates the aerodynamic and aeroacoustic characteristics of a
propeller-wake interaction configuration comprising an upstream cylinder and a propeller in …

Aeroacoustic Analysis of Tilted Propellers During Forward Flight and Descent

A Karimian, C Paruchuri, P Joseph, CS Zhao… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
This paper investigates the aeroacoustic characteristics of 2-bladed propellers during the
edgewise forward flight and descent phases of eVTOL aircraft through experimental and …

Numerical and Experimental Analysis of Synchronized Propellers for Noise Mitigation

BB Turhan, LF Lopes de Moraes Filho… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
This study investigates the potential of phase synchronization to attenuate the sound power
radiated from multiple Distributed Electrical Propulsion (DEP) configurations under forward …

A Preliminary Noise and Flow Field Study of a Propeller Tilted Negatively to a Free-Stream

LP Hanson, D Lim, X Liu, B Zang… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
This paper evaluates the aerodynamic and aeroacoustic performance of propellers when
operating in reverse non-axial inflow and edgewise flight conditions. By carrying out …

Mid-Fidelity Simulation of a Tandem Propeller and Wing Configuration for EVTOL Vehicles

K Barry, S Pullin, BY Zhou… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
The study in this paper aims to investigate the aerodynamic interaction effects and resulting
acoustic behaviour of a tandem two-propeller and wing configuration through mid-fidelity …

Tandem-Rotor Noise in Low Advance Ratio Transitional Flight

Z Yi, X Liu, B Zang, M Azarpeyvand - 30th AIAA/CEAS Aeroacoustics …, 2024 - arc.aiaa.org
An experimental study is conducted to quantify the far-field aeroacoustic characteristics of a
tandem-rotor assembly in low advance ratio transition flight. The rotor assembly is oriented …