Sliding mesh algorithm for CFD analysis of helicopter rotor–fuselage aerodynamics

R Steijl, G Barakos - … journal for numerical methods in fluids, 2008 - Wiley Online Library
The study of rotor–fuselage interactional aerodynamics is central to the design and
performance analysis of helicopters. However, regardless of its significance, rotor–fuselage …

High-fidelity numerical analysis and optimisation of ducted propeller aerodynamics and acoustics

T Zhang, GN Barakos - Aerospace Science and Technology, 2021 - Elsevier
This paper presents numerical analyses of aerodynamics and aeroacoustics of ducted/un-
ducted propellers based on high-fidelity CFD methods, and adjoint-based aerodynamic …

[HTML][HTML] Multi-fidelity aerodynamic design and analysis of propellers for a heavy-lift eVTOL

T Zhang, GN Barakos, M Foster - Aerospace Science and Technology, 2023 - Elsevier
This paper presents a multi-fidelity propeller design and analysis process, and demonstrates
it for the preliminary design of a heavy-lift eVTOL vehicle proposed by GKN aerospace …

[HTML][HTML] High-fidelity aerodynamic and acoustic design and analysis of a heavy-lift eVTOL

T Zhang, GN Barakos, M Foster - Aerospace Science and Technology, 2023 - Elsevier
This work presents the high-fidelity aerodynamic and acoustic modelling processes
supporting the preliminary design of a large eVTOL vehicle at the University of Glasgow in …

[HTML][HTML] High-fidelity aero-acoustic evaluations of a heavy-lift eVTOL in hover

T Zhang, GN Barakos, A Filippone - Journal of Sound and Vibration, 2024 - Elsevier
Abstract Electric Vertical Take-off Landing (eVTOL) vehicles can transform aviation, but the
unconventional aircraft development currently requires an extensive knowledge base. This …

[HTML][HTML] CFD simulation of helicopter rotor flow based on unsteady actuator disk model

GN Barakos, T Fitzgibbon, AN Kusyumov… - Chinese Journal of …, 2020 - Elsevier
Actuator Disks (AD) can provide characterizations of rotor wakes while reducing
computational expense associated with modeling the fully resolved blades. This work …

Acoustic and aerodynamic evaluation of DLR small-scale rotor configurations within GARTEUR AG26

J Yin, F De Gregorio, KS Rossignol, L Rottmann… - CEAS Aeronautical …, 2024 - Springer
This paper presents the activities performed in the GARTEUR Action Group HC/AG-26 to
study the acoustic and aerodynamic characteristics of small rotor configurations, including …

Numerical study of helicopter rotors in a ship airwake

C Crozon, R Steijl, GN Barakos - Journal of Aircraft, 2014 - arc.aiaa.org
Operating helicopters in a naval environment is challenging because it imposes a pilot
workload significantly higher than that during land-based operations. The aerodynamic …

Random process-based stochastic analysis of multirotor hovering noise under rotational speed fluctuations

J Jeong, J Ko, H Cho, S Lee - Physics of Fluids, 2021 - pubs.aip.org
A stochastic numerical analysis of a multirotor was performed considering the rotational
speed fluctuation to investigate the acoustic characteristics. To validate the analysis, the …

[BOK][B] MARE-WINT: new materials and reliability in offshore wind turbine technology

W Ostachowicz, M McGugan, JU Schröder-Hinrichs… - 2016 - library.oapen.org
The current chapter provides an overview of the offshore wind industry, followed by an
introduction to the MARE-WINT project. We discuss the important role that MARE-WINT has …