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Felix Czwielong and Stefan Becker
A novel active turbulence grid of the Institute of Fluid Mechanics at FAU Erlangen-Nuremberg is introduced. The focus of this grid is not on basic investigations of fluid mechanics, as is usually the case with active turbulence grids, but the generation ...
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Philipp Dietrich and Marc Schneider
In applications, the acoustics of fans can differ significantly from the measurements of the standalone fan. This is due to disturbed inflow conditions, for example, caused by a heat exchanger upstream of an axial fan. Resolving the complex geometry and ...
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Nur Syafiqah Jamaluddin, Alper Celik, Kabilan Baskaran, Djamel Rezgui and Mahdi Azarpeyvand
This paper presents an experimental investigation into the effects of turbulence ingestion on the aerodynamic noise characteristics of rotor blades in edgewise flight. A small-scaled, two-bladed rotor was used in the study. The test utilised two turbulen...
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Zhengliang Li, Zhisong Wang, Jiahong Li and Siyuan Liu
With the extensive construction of ultra-high voltage (UHV) transmission lines, the fatigue damage of steel tube members caused by vortex-induced vibration (VIV) in tubular towers has received growing attention. Although some progress has been made in th...
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Lei Luo and Honghu Ji
The rescaling?recycling method (RRM) is usually used to generate turbulent inflow for the LES of compressible wall-bounded flows, which can lead to relatively high computational cost for high Re flows since the mesh resolution increases exponentially wit...
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Lorenzo Tieghi, Giovanni Delibra, Johan van der Spuy and Alessandro Corsini
Air-cooled condensers (ACCs) are commonly found in power plants working with concentrated solar power or in steam power plants operated in regions with limited water availability. In ACCs, the flow of air is driven toward the heat exchangers by axial fan...
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Leander Hake, Felix Reinker, Robert Wagner, Stefan aus der Wiesche and Markus Schatz
Results from an experimental profile loss study are presented of an additive manufactured linear turbine cascade placed in the test section of a closed-loop organic vapor wind tunnel. This test facility at Muenster University of Applied Sciences allows t...
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Hafizul Islam, Serge Sutulo and C. Guedes Soares
Aerodynamic loads and moments on a naval patrol vessel are investigated using computational fluid dynamic simulations based on the OpenFOAM solver. After the initial turbulence, time, and grid dependency study, model scale simulations were performed for ...
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Lei Xue, Jundong Wang, Liye Zhao, Zhiwen Wei, Mingqi Yu and Yu Xue
Wake effects commonly exist in offshore wind farms, which will cause a 10?20% reduction of whole power production as well as a 5?15% increase of fatigue loading on the wind turbine main structures. Obviously wake interaction between floating offshore win...
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Hongbo Shi, Xikun Wang, Qingjiang Xiang, Gonghe Zhang and Lin Xue
In the marine fire suppression system, continuous delivery of dry chemical powder to the fire source with long powder discharge range and high dispersion concentration is essential. The work is devoted to experimental and numerical studies of the flow ch...
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