A sliding mesh approach to the Lattice Boltzmann Method based on non-equilibrium extrapolation and its application in rotor flow simulation

C Lyu, P Liu, T Hu, X Geng, T Sun… - Aerospace Science and …, 2022 - Elsevier
The recent development of the Lattice Boltzmann Method has been widely applied in
various industrial fields. In the application of rotor machinery simulation, the sliding mesh …

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

R Wickersheim, M Keßler, J Sembowski, D Bongen… - AIAA Journal, 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 …

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 …

Research on aerodynamic performance and noise reduction of high-voltage fans on fuel cell vehicles

R Guo, T Mi, L Li, R Luo - Applied Acoustics, 2022 - Elsevier
Due to the much higher cooling requirements of fuel cell vehicles, 350-Volt high-voltage fans
are adopted instead of traditional 12-volt cooling fans, generating more aerodynamic noise …

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 …

Tonal and broadband noise attenuation of an axial flow fan with forward and backward swept blades

M Park, DJ Lee, H Lee - Applied Acoustics, 2022 - Elsevier
A swept blade is one of the efficient ways to control unsteady flow and passively attenuate
the noise radiated from an axial flow fan. Herein, an experimental study was conducted to …

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 …

Recent developments of common numerical methods and common experimental means within the framework of the large passenger aircraft program

F Boden, HP Barth, S Hein, D Heitmann… - CEAS Aeronautical …, 2023 - Springer
For the exploration and validation of the integration of efficient propulsion concepts and new
technologies for future large passenger aircraft, it is necessary to establish suitable design …

High-lift research for future transport aircraft

R Radespiel, W Heinze, L Bertsch - 2017 - elib.dlr.de
Careful analysis of long-term objectives of air transport indicates that the needed progress in
vehicle performance cannot be satisfied by following the current, evolutionary technology …

About the community noise problem of the light propeller aircraft

P Moshkov, V Samokhin, A Yakovlev - Akustika, 2019 - elibrary.ru
A light aircraft community noise problem was considered. Basic aircraft noise sources were
described. A model was presented to evaluate engine-propeller aircraft power plant noise …