On the Wind Turbine Wake and Forest Terrain Interaction by Shyuan Cheng, Mahmoud Elgendi, Fanghan Lu, Leonardo P. Chamorro

“…The experiments were performed in a wind tunnel fully covered with tree models of height <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>/</mo><msub><mi>z</mi><mrow><mi>h</mi><mi>u</mi><mi>b</mi></mrow></msub><mo>≈</mo><mn>0.36</mn></mrow></semantics></math></inline-formula>, where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>z</mi><mrow><mi>h</mi><mi>u</mi><mi>b</mi></mrow></msub></semantics></math></inline-formula> is the turbine hub height, which were placed in a staggered pattern sharing streamwise and transverse spacing of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="sans-serif">Δ</mi><mi>x</mi><mo>/</mo><msub><mi>d</mi><mi>c</mi></msub><mo>=</mo><mn>1.3</mn></mrow></semantics></math></inline-formula> and 2.7, where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>d</mi><mi>c</mi></msub></semantics></math></inline-formula> is the mean crown diameter of the trees. …”
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Spray drift evaluation with point clouds data of 3D LiDAR as a potential alternative to the sampling method by Longlong Li, Longlong Li, Longlong Li, Ruirui Zhang, Ruirui Zhang, Ruirui Zhang, Liping Chen, Liping Chen, Liping Chen, Boqin Liu, Linhuan Zhang, Linhuan Zhang, Linhuan Zhang, Qing Tang, Qing Tang, Qing Tang, Chenchen Ding, Chenchen Ding, Chenchen Ding, Zhen Zhang, Andrew J. Hewitt

“…Firstly, a drift measurement algorithm was established based on point clouds data of 3D LiDAR. Wind tunnel tests included three types of agricultural nozzles, three pressure settings, and five wind speed settings were conducted. …”
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Small Wind Turbine Emulator Based on Lambda-Cp Curves Obtained under Real Operating Conditions by Camilo I. Martínez-Márquez, Jackson D. Twizere-Bakunda, David Lundback-Mompó, Salvador Orts-Grau, Francisco J. Gimeno-Sales, Salvador Seguí-Chilet

“…This paper proposes a new on-site technique for the experimental characterization of small wind systems by emulating the behavior of a wind tunnel facility. Due to the high cost and complexity of these facilities, many manufacturers of small wind systems do not have a well knowledge of the characteristic <inline-formula> <math display="inline"> <semantics> <mi>&#955;</mi> </semantics> </math> </inline-formula>-<inline-formula> <math display="inline"> <semantics> <mrow> <msub> <mi>C</mi> <mi>p</mi> </msub> </mrow> </semantics> </math> </inline-formula> curve of their turbines. …”
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Aerodynamic Properties and Shelter Effects of a Concrete Plate-Insert Sand Fence Along the Lanzhou-Xinjiang High-Speed Railway in Gobi Regions Under Strong Winds by Tao Wang, Tao Wang, Tao Wang, Jianjun Qu, Jianjun Qu, Jianjun Qu, Qinghe Niu, Qinghe Niu, Qinghe Niu, Zhishan An, Zhishan An, Zhishan An, Yang Gao, Yang Gao, Yang Gao, Hongtao Wang, Hongtao Wang, Hongtao Wang, Baicheng Niu

“…In this study, the effects of sand fences on boundary wind patterns and sand transport were investigated in the field and in a wind tunnel. The following results were obtained: 1) The wind velocity was efficiently reduced on the leeward side of the first and second rows of fences by 78% and 87%, respectively. …”
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Silicon micromachined sensors and sensor arrays for shear-stress measurements in aerodynamic flows by Padmanabhan, Aravind

“…The sensors have been tested in both laminar and turbulent boundary layers in the low-speed, low-turbulence wind tunnel at MIT. The response in the laminar boundary layer was found to be linear with the same sensitivity as measured in the laminar-calibration flow cell. …”
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Determining controls on aeolian dust emissions: analysis of dynamic processes at Etosha Pan, Namibia by Wallum, NS

“…Field-based investigations using a portable wind tunnel confirmed that such differences in surface crust morphology and geochemistry, dependent on antecedent hydrological and climatic conditions, offer a first-order control on sediment availability for dust emission from Etosha Pan.…”

Experimental and Computational Fluid Dynamics (Cfd) Analysis of Wind-Induced Noise In Two-Way Radio by Mohd Fisol , Ummi Masyitah

“…Noise measurement due to wind flow of a two-way radio and its bigger scale model (specimen) was conducted inside an open-loop wind tunnel. A Computational Fluid Dynamics (CFD) analysis was also performed. …”
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FarmConners wind farm flow control benchmark – Part 1: Blind test results by T. Göçmen, F. Campagnolo, T. Duc, I. Eguinoa, S. J. Andersen, V. Petrović, L. Imširović, R. Braunbehrens, J. Liew, M. Baungaard, M. P. van der Laan, G. Qian, M. Aparicio-Sanchez, R. González-Lope, V. V. Dighe, M. Becker, M. J. van den Broek, J.-W. van Wingerden, A. Stock, M. Cole, R. Ruisi, E. Bossanyi, N. Requate, S. Strnad, J. Schmidt, L. Vollmer, I. Sood, J. Meyers

“…The benchmark builds on available data sets from previous field campaigns, wind tunnel experiments, and high-fidelity simulations. …”
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Mechanical Design and Numerical Analysis of a New Front Wing for a Formula One Vehicle by Aldo Saul Laguna-Canales, Guillermo Urriolagoitia-Sosa, Beatriz Romero-Ángeles, Miguel Martinez-Mondragon, Miguel Angel García-Laguna, Martin Ivan Correa-Corona, Daniel Maya-Anaya, Guillermo Manuel Urriolagoitia-Calderón

“…Additionally, a 3D-printed front wing prototype was developed to be evaluated in an experimental study to corroborate the results obtained through computer simulations. A wind tunnel experiment test was performed to validate the numerically simulated data. …”
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Computational fluid dynamics prediction of the aerodynamic difference between stationary and moving trains by Bin Xu, Tanghong Liu, Yutao Xia, Wenhui Li, Xiaoshuai Huo, Hongrui Gao, Zhengwei Chen, Hongkang Liu

“…Therefore, in this study, stationary and moving cases were used to assess the magnitude of the movement’s effect using the Improved Detached Eddy Simulation (IDDES) method. A wind tunnel test validated the numerical algorithm at 60 m/s and a common yaw angle of 0°. …”
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Energy harvesting from vibro-impact of structures using triboelectric materials by Zhao, Chaoyang

“…Experiments were conducted in a wind tunnel and the results indicate that the harvester is effective in power generation especially when the contact area is large. …”
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Assessment of Turbulence Models over a Curved Hill Flow with Passive Scalar Transport by David Paeres, Christian Lagares, Guillermo Araya

“…The complex flow with a combined strong adverse/favorable streamline curvature-driven pressure gradient caused by concave/convex surface curvatures has been replicated from wind-tunnel experiments from the literature, and the measured velocity and pressure fields have been used for validation purposes (the thermal field was not experimentally measured). …”
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On the characteristics of the wake of a wind turbine undergoing large motions caused by a floating structure: an insight based on experiments and multi-fidelity simulations from th... by S. Cioni, F. Papi, L. Pagamonci, A. Bianchini, N. Ramos-García, G. Pirrung, R. Corniglion, A. Lovera, J. Galván, R. Boisard, A. Fontanella, P. Schito, A. Zasso, M. Belloli, A. Sanvito, G. Persico, L. Zhang, Y. Li, Y. Zhou, S. Mancini, K. Boorsma, R. Amaral, R. Amaral, A. Viré, C. W. Schulz, S. Netzband, R. Soto-Valle, D. Marten, R. Martín-San-Román, P. Trubat, C. Molins, R. Bergua, E. Branlard, J. Jonkman, A. Robertson

“…While the first round investigated rotor aerodynamic loading, here, focus is given to the wake behavior of a floating wind turbine under large motion. Wind tunnel experimental data from the UNsteady Aerodynamics for FLOating Wind (UNAFLOW)<span id="page1660"/> project are compared with the results of simulations provided by participants with methods and codes of different levels of fidelity. …”
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Evaluation of the efficiency of rock mulching method against wind erosion (Case study: Segzi plain and Fasaran plain of Isfahan) by shila hajehforosh, Mohammad khosroshahi, massod borhani

“…In order to create winds with a certain speed at a certain time, a wind erosion measuring device, which is a kind of portable wind tunnel, was used. The lands of mulching sample with different densities are affected by different winds from different directions. …”
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Application of transpiration cooling on hypersonic vehicles to mitigate material oxidation by Ewenz Rocher, M

“…A test campaign in the plasma wind tunnel at the Institute of Space Systems in Stuttgart provided the first qualitative data of the oxidation behaviour of transpiration cooled ZrB₂ in a continuous, steady state high-enthalpy environment. …”

OC6 project Phase III: validation of the aerodynamic loading on a wind turbine rotor undergoing large motion caused by a floating support structure by R. Bergua, A. Robertson, J. Jonkman, E. Branlard, A. Fontanella, M. Belloli, P. Schito, A. Zasso, G. Persico, A. Sanvito, E. Amet, C. Brun, G. Campaña-Alonso, R. Martín-San-Román, R. Cai, J. Cai, Q. Qian, W. Maoshi, A. Beardsell, G. Pirrung, N. Ramos-García, W. Shi, J. Fu, R. Corniglion, A. Lovera, J. Galván, T. A. Nygaard, C. R. dos Santos, P. Gilbert, P.-A. Joulin, F. Blondel, E. Frickel, P. Chen, Z. Hu, R. Boisard, K. Yilmazlar, A. Croce, V. Harnois, L. Zhang, Y. Li, A. Aristondo, I. Mendikoa Alonso, S. Mancini, K. Boorsma, F. Savenije, D. Marten, R. Soto-Valle, C. W. Schulz, S. Netzband, A. Bianchini, F. Papi, S. Cioni, P. Trubat, D. Alarcon, C. Molins, M. Cormier, K. Brüker, T. Lutz, Q. Xiao, Z. Deng, F. Haudin, A. Goveas

“…Numerical models of the Technical University of Denmark 10 MW reference wind turbine were validated using measurement data from a <span class="inline-formula">1:75</span> scale test performed during the UNsteady Aerodynamics for FLOating Wind (UNAFLOW) project and a follow-on experimental campaign, both performed at the Politecnico di Milano wind tunnel. Validation of the models was performed by comparing the loads for steady (fixed platform) and unsteady (harmonic motion of the platform) wind conditions. …”
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Study on airfoil performance in unsteady flows by Teo, Alvin Zhen Wei.

“…Hence, this project looks into developing a suitable mechanism to generate gust in wind tunnels. The first aim of this project is to design a gust generator operating on oscillating airfoils in order to generate unsteady gusts. …”
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Wind Engineering in the 21st Century by Vladimir Feranec

“…Progress in wind engineering during last 3-5 decades is described in this paper, from the existence of wind tunnels with the simulated atmospheric boundary layer and introducing random processes in wind load on buildings and structures. …”
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Experimental and Computational Fluid Dynamics: decades of turbulent EFD/CFD complementarity by Bonnet, Jean Paul

“…It is evident that experiments can no longer be seen as only validations for computations and that forecasting for “numerical wind tunnels” is not yet valid. The growing evidence of organized motions in turbulent flows pushes in parallel both experiments and numerical approaches to develop new measurement technologies and numerical methods. …”
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Experimental Investigation on the Aerodynamics of Isolated Rotating Wheels and Evaluation of Wheel Rotation Models Using Unsteady CFD by Lukas Haag, Thomas Blacha, Thomas Indinger

“…Wheel aerodynamics of passenger cars has recently been under close investigation due to its influence on the aerodynamic forces on the vehicle. In modern wind-tunnels the wheel rotation can be resembled close to reality, while, in their CFD development process, car manufactures rely on simplified models for considering rotating wheels. …”
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