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Daniel Gleichauf, Michael Sorg and Andreas Fischer
The evaluation of reduced laminar flow in the boundary layer of wind turbine rotor blades in operation introduced in this work enables estimations of wind turbine efficiency loss due to negative influence on the aerodynamic properties. This leads to a mo...
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Mads Steiness, Søren Jessen, Mattia Spitilli, Sofie G. W. van?t Veen, Anker Lajer Højberg and Peter Engesgaard
A managed riparian lowland in a glacial landscape (Holtum catchment, Denmark) was studied to quantify the relative importance of subsurface and surface flow to the recipient stream. The hydrogeological characterization combined geoelectrical methods, lit...
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Bo Yang, Hesen Yang, Ning Zhao, Hua Liang, Zhi Su and Dongsheng Zhang
The double-wedge configuration is a typical characteristic shape of the rudder surface of high-speed aircraft. The impact of the shock wave/boundary layer interaction and the shock wave/shock wave interaction resulting from the double wedge on aircraft a...
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P. A. Mikael Hedberg, J. Gunnar I. Hellström, Anders G. Andersson, Patrik Andreasson and Robin L. Andersson
Measurements of mass flow through a three-outlet spillway modeled after a scaled-down spillway were conducted. The inlet and channel leading up to the outlets were placed to lead the water toward the outlet at an angle. With this, measurements of the wat...
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Ismail Fathy, Gamal M. Abdel-Aal, Maha Rashad Fahmy, Amira Fathy, Martina Zelenakova, Hany F. Abd-ElHamid, Jakub Racek and Ahmed Moustafa A. Moussa
Urban flooding is a problem faced by most countries because of climate change. Without storm drainage systems, negative impacts may occur, such as traffic problems and increasing groundwater levels, especially in lowlands. The implementation of storm dra...
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Lennart Lobitz, Hendrik Traub, Mats Overbeck, Maximilian Bien, Sebastian Heimbs, Christian Hühne, Jens Friedrichs and Peter Horst
Laminar flow offers significant potential for increasing the energy-efficiency of future transport aircraft. The German Cluster of Excellence SE2A is developing a new approach for hybrid laminar flow control. The concept aims to maintain laminar flow up ...
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Davide Di Pasquale and Simon Prince
Since modern transport aircraft cruise at transonic speeds, shock buffet alleviation is one indispensable challenge that civil transport research needs to be addressed. Indeed, in the transonic flow regime shock-induced separation and transonic buffet co...
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Tao Zhang, Yaoming Li and Guoliang You
When processing wet rice, the efficiency of the combine harvester diminishes due to the heightened surface water content of the paddy. To address this, a hot air flow cleaning apparatus was engineered, and the effects of its operational parameters on cle...
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Tobias Jäger, Jemp Keup, Nikolaos I. Prasianakis and Stephan Leyer
Modern microfabrication techniques have led to a growing interest in micropillars and pillar?pore structures. Therefore, in this paper a study of the liquid entry pressure of a hydrophobic pillar?pore structure and the corresponding liquid?gas interface ...
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Edoardo Bianchi, Oliver Jonas Jorg, Gualtiero Fantoni, Francisco Javier Brosed Dueso and José A. Yagüe-Fabra
Smart surfaces are becoming more and more popular in the field of intralogistics, as they combine great flexibility with easy reprogrammability. Pursuing this trend, the following article proposes a modular surface to perform handling tasks, such as sort...
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Martin Moreau, Grégory Germain and Guillaume Maurice
The cost effective design of tidal turbines requires a good estimation of the loading cycles and their extrema that are related to the unsteady fluctuation of the current velocity. Apart from the ambient turbulence, the main source of velocity fluctuatio...
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Ou Pu, Boqiu Yuan, Zhengnong Li, Terigen Bao, Zheng Chen, Liwei Yang, Hua Qin and Zhen Li
An innovative approach for measuring wind fields in urban building clusters using Unmanned Aerial Vehicles (UAVs) is presented. This method captures the distribution of wind fields within clusters. The results indicate that building architecture has a si...
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Ali El Hanandeh and Kambez Akrami
Nutrient loads must be reduced to safe levels to protect sensitive receiving environments. This work presents the results of a 15-month monitoring program of a surface flow-constructed wetland (SFCW) in Queensland, Australia. The SFCW reduced the influen...
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Hua Li, Zifeng Yu, Runan Hua, Chenqi Li, Chao Guo, Houlin Liu and Liang Dong
The biomimetic surface with Space-V grooves can effectively reduce flow resistance and noise. Our investigation was in order to further enhance the drag reduction and noise reduction performance of a marine centrifugal pump with Space-V-groove-shaped bio...
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Itziar Azpitarte, Unai Eletxigerra, Angela Barros, Estibaliz Aranzabe and Rosalía Cid
The use of flow batteries for energy storage has attracted considerable attention with the increased use of renewable resources. It is well known that the performance of a flow battery depends, among other factors, on the properties of the electrodes, wh...
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Michele Dragoni and Stefano Santini
The 2010 Maule earthquake was a megathrust event that occurred along the Peru?Chile Trench. The earthquake source can be modelled as a fault with two asperities with different areas and strengths. By employing a discrete fault model, where asperities are...
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Yu Gao, Hong Cheng, Wei Li, David John Kukulka and Rick Smith
Condensation heat transfer characteristics (using R410A as the working fluid) were studied experimentally to evaluate the heat transfer performance in copper and stainless-steel heat transfer tubes (smooth and enhanced). Experiments were carried out for ...
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Irina V. Mursenkova, Igor E. Ivanov, Yugan Liao and Igor A. Kryukov
This study presents an experimental and numerical investigation on a surface sliding discharge in a supersonic airflow in the presence of an oblique shock wave. In experiments, flow Mach numbers were 1.20?1.68 in the shock tube combined with the discharg...
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Hongqing Lv, Shan Liu, Jiahao Chen and Baoli Li
The energy consumption of a vehicle is closely related to the resistance it receives, and it is of great significance to study the drag reduction of a vehicle to promote energy conservation and emissions reductions. Boundary layer control drag reduction ...
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Xiaotian Niu, Jie Li, Heng Zhang and Zhao Yang
The aileron is one of the most important tools for adjusting the roll attitude of the aircraft, but the surface flow state of the aileron is likely to be affected by high-lift devices. In this paper, by using computational fluid dynamics (CFD) simulation...
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