Numerical study on the Re effects on the tip flow structures of transonic fan under inlet distortion

Z Li, X Zhu, Z Yan, T Pan, X Zheng - Aerospace Science and Technology, 2023 - Elsevier
Compared to conventional Pylon-mounted engines, a 5-15% reduction in aircraft fuel
consumption is possible with the use of Boundary Layer Ingestion (BLI) propulsion system …

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 …

Propeller installation effects on turboprop aircraft acoustics

G Chirico, GN Barakos, N Bown - Journal of Sound and Vibration, 2018 - Elsevier
Propeller installation options for a twin-engined turboprop aircraft are evaluated at cruise
conditions, aiming to identify the quieter configuration. Computational fluid dynamics is used …

Noise Prediction of a Distributed Propulsion System Using the Actuator Line Method

R Wickersheim, M Keßler, E Krämer - AIAA Journal, 2024 - arc.aiaa.org
Within this study, the capability of the actuator line method to simulate the noise of a high-lift
distributed propulsion system is investigated. Therefore, the blades of three tractor …

Investigation into the mechanisms of propeller-wing interaction noise

CC Paruchuri, DC Akiwate, S Palleja-Cabre… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
This paper presents the preliminary experimental investigation of the dominant noise
sources from the propeller-wing configuration at hover conditions. A parametric study is …

Numerical study on the aeroacoustics of a propeller-wing integration at various advance ratios

G Huang, S Sharma, S Ambrose… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Driven by increasing demands for a sustainable and ecofriendly future in aviation,
Distributed Electric Propulsion (DEP) systems have received much attention for their high …

A computational study on the aeroacoustics of a multi-rotor unmanned aerial system

M Heydari, H Sadat, R Singh - Applied Sciences, 2021 - mdpi.com
The noise generated by a quadrotor biplane unmanned aerial system (UAS) is studied
computationally for various conditions in terms of the UAS pitch angle, propellers rotating …

Aeroacoustic analysis of aerodynamically optimized joined-blade propeller for future electric aircraft at cruise and take-off

Z Huang, H Yao, O Sjögren, A Lundbladh… - Aerospace Science and …, 2020 - Elsevier
A novel propeller with the blade tips joined in pairs, named Boxprop, is designed and
optimized for a conceptual electric aircraft using an efficient optimization platform. According …

Analytical investigation of propeller-wing interaction noise

DC Akiwate, A Parry, P Joseph… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
This paper investigates the noise generated by propeller-wing configuration at take-off
condition with the propeller mounted upstream. This study makes use of various …

Numerical Investigation and Validation of Noise Sources of a Distributed Propulsion System

R Wickersheim, M Keßler, J Sembowski… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
This study delves into the exploration of a distributed propulsion system consisting of three
co-rotating propellers in front of a high-lift wing system, with a primary focus on …