Information-Driven Gas Distribution Mapping for Autonomous Mobile Robots by Andres Gongora, Javier Monroy, Faezeh Rahbar, Chiara Ercolani, Javier Gonzalez-Jimenez, Alcherio Martinoli

“…Finally, we report various simulation experiments to evaluate our proposal against a computer-generated fluid dynamics ground truth, as well as physical experiments in a wind tunnel.…”
Get full text

The push–pull intercrop Desmodium does not repel, but intercepts and kills pests by Anna L Erdei, Aneth B David, Eleni C Savvidou, Vaida Džemedžionaitė, Advaith Chakravarthy, Béla P Molnár, Teun Dekker

“…Furthermore, in oviposition choice tests in a wind tunnel, maize with or without an odor background of Desmodium was equally attractive for the invasive pest Spodoptera frugiperda. …”
Get full text

An Evaluation of Inflow Profiles for CFD Modeling of Neutral ABL and Turbulent Airflow over a Hill Model by N. Amahjour, A. Sofi, J. R. Rodríguez Galván, A. El Kharrim, A. Khamlichi

“…This study compares the results with the CRIACIV (Inter-University Research Centre on Building Aerodynamics and Wind Engineering) boundary layer wind tunnel experimental data, showing that the inflow profiles and the presence of topographic complex have a significant impact on air velocity, turbulent kinetic energy and turbulence intensity in the x-direction. …”
Get full text

Investigation and Optimisation of High-Lift Airfoils for Airborne Wind Energy Systems at High Reynolds Numbers by Denes Fischer, Benjamin Church, Christian Navid Nayeri, Christian Oliver Paschereit

“…The <i>k</i>-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>ω</mi></semantics></math></inline-formula>-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>S</mi><mi>T</mi></mrow></semantics></math></inline-formula>-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>γ</mi></semantics></math></inline-formula>-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>R</mi><msub><mi>e</mi><mi>θ</mi></msub></mrow></semantics></math></inline-formula> model proved to be most suitable for the geometries investigated. Wind tunnel experiments were conducted with high aspect ratio model airfoils, using a novel structural design, relying mostly on 3D-printed airfoil segments. …”
Get full text

Greenhouse gas emissions from laboratory-scale fires in wildland fuels depend on fire spread mode and phase of combustion by N. C. Surawski, A. L. Sullivan, C. P. Meyer, S. H. Roxburgh, P. J. Polglase

“…Free-burning experimental fires were conducted in a wind tunnel to explore the role of ignition type and thus fire spread mode on the resulting emissions profile from combustion of fine (< 6 mm in diameter) Eucalyptus litter fuels. …”
Get full text

Experimental study on the optimal performance of gas turbine (GT) inlet air filtration system for offshore application by Samuel O. Effiom, James A. Ajor, Precious-Chibuzo O. Effiom, Isuamfon Edem, Paschal Ubi, Fidelis Abam, Ogheneruona E. Diemuodeke

“…Different filtration configurations were set up in a wind tunnel under simulated offshore environmental settings. …”
Get full text

Assessment of a Hybrid Eulerian–Lagrangian CFD Solver for Wind Turbine Applications and Comparison with the New MEXICO Experiment by Nikos Spyropoulos, George Papadakis, John M. Prospathopoulos, Vasilis A. Riziotis

“…In this paper, the hybrid Lagrangian–Eulerian solver HoPFlow is presented and evaluated against wind tunnel measurements from the New MEXICO experiment. …”
Get full text

Numerical Study of a Novel Concept for Manufacturing Savonius Turbines with Twisted Blades by Victor Mendoza, Eirini Katsidoniotaki, Hans Bernhoff

“…This model is validated using wind tunnel measurements of the power (<inline-formula> <math display="inline"> <semantics> <msub> <mi>C</mi> <mi>P</mi> </msub> </semantics> </math> </inline-formula>) and torque (<inline-formula> <math display="inline"> <semantics> <msub> <mi>C</mi> <mi>M</mi> </msub> </semantics> </math> </inline-formula>) coefficients from a straight blade Savonius turbine. …”
Get full text

Long Short-Term Memory Network for Predicting Wind-Induced Vibration Response of Lightning Rod Structures by Guifeng Zhao, Kaifeng Xing, Yang Wang, Hui Qian, Meng Zhang

“…The traditional methods for this response, including observation and simulation, focus on structural health monitoring (SHM), wind tunnel tests (WTTs), or fluid–structure interaction (FSI) simulations. …”
Get full text

Numerical Study of the Flow Characteristics of Downburst-like Wind over the 3D Hill Using Different Turbulence Models by Bowen Yan, Ruifang Shen, Chenyan Ma, Xu Cheng, Guoqing Huang, Zhitao Yan, Xiao Li, Zhigang Zhang

“…The simulated values of average and transient winds were compared with wind tunnel test data, and the flow characteristics at different moments under a downburst were analyzed. …”
Get full text

Numerical study of the influence of dome shape on the unsteady aerodynamic performance of a high-speed train's pantograph subjected to crosswind by Xiaofang Li, Dan Zhou, Lirong Jia, Mingzhi Yang

“…The accuracy of the numerical method was validated by comparing a few of the numerical results with the wind tunnel test results, and high consistency was observed. …”
Get full text

Microclimate Thermal Control for Open-Air Areas by Nabil Beithou, Mohammad Bani Khalid, Samer As’ad, Hani Attar, Mustafa Awwad Al-Khawaldeh, Gabriel Borowski, Khalid S. Rababa, Artur Andruszkiewicz, Sameh Alsaqoor

“…In this project the air conditioning of an external open area will be studied. Wind tunnel with two air flows at different temperatures, relative humilities, angle of attach and velocities will be constructed. …”
Get full text

How Ram Pressure Drives Radial Gas Motions in the Surviving Disk by Nina Akerman, Stephanie Tonnesen, Bianca Maria Poggianti, Rory Smith, Antonino Marasco

“…We investigate this topic using a suite of wind-tunnel hydrodynamical simulations of a massive M _star = 10 ^11 M _⊙ disk galaxy with 39 pc resolution and including star formation and stellar feedback. …”
Get full text

β-caryophyllene as an attractant for the cacao mirid bug, Helopeltis bakeri Poppius (Hemiptera: Miridae), and chemodiversity of its host plant volatiles by Mary Angelique A. Tavera, Mary Angelique A. Tavera, Maria Criselda V. Dela Cruz, Maria Criselda V. Dela Cruz, Kris Lord T. Santos, Kris Lord T. Santos, Divina M. Amalin, Divina M. Amalin, Jose Isagani B. Janairo, Jose Isagani B. Janairo

“…Comparison of volatiles revealed that β-caryophyllene was present in all host plants. Using a wind tunnel, an impregnated lure containing 90 µg β-caryophyllene showed the highest attraction to adult H. bakeri. …”
Get full text

On the anti-rolling performance of a train using a vortex generator array by Bin Xu, Xiaodong Chen, Tanghong Liu, Zhengwei Chen, Wenhui Li, Yutao Xia, Xiaoshuai Huo, Hongrui Gao, Hongkang Liu

“…The numerical method is validated by reproducing wind tunnel test results. The study results reveal that VGs are capable of reducing the rolling moment coefficient around the leeward rail of a train by about 5% ∼ 15% while keeping the drag of the train still lower than its operational drag without crosswind. …”
Get full text

Airflow Field Around <i>Hippophae rhamnoides</i> in Alpine Semi-Arid Desert by Lihui Tian, Wangyang Wu, Dengshan Zhang, Yang Yu

“…The research on wind regimes and the wind protection mechanism of sand-fixing plants has mainly relied on wind tunnel experiments; few observations have been made in the field. …”
Get full text

The Effects of Wind Erosion Depending on Cropping System and Tillage Method in a Semi-Arid Region by Caihong Yang, Yanxiang Geng, Xing Zhou Fu, Jeffrey A. Coulter, Qiang Chai

“…To understand the effects of cropping systems and tillage methods on the reduction of soil wind erosion, wind tunnel investigations were performed on soil samples from an irrigated field in an experiment conducted in semi-arid northwestern China in 2016–2018. …”
Get full text

Icephobic and Anticorrosion Coatings Deposited by Electrospinning on Aluminum Alloys for Aerospace Applications by Adrián Vicente, Pedro J. Rivero, Paloma García, Julio Mora, Francisco Carreño, José F. Palacio, Rafael Rodríguez

“…In addition, once the best coating was selected, centrifugal ice adhesion tests (CAT) were carried out for two types of icing conditions (glaze and rime) simulated in an ice wind tunnel (IWT) on both as-deposited and liquid-infused coatings (SLIPs). …”
Get full text

Convective Heat Transfer Enhancement through Laser-Etched Heat Sinks: Elliptic Scale-Roughened and Cones Patterns by Luigi Ventola, Matteo Fasano, Roberta Cappabianca, Luca Bergamasco, Francesca Clerici, Luciano Scaltrito, Eliodoro Chiavazzo, Pietro Asinari

“…Here, the thermal performance of these laser-etched devices is experimentally assessed by means of a wind tunnel in a fully turbulent regime. At the highest Reynolds number tested in the experiments (<inline-formula> <math display="inline"> <semantics> <mrow> <mi>R</mi> <msub> <mi>e</mi> <mi>L</mi> </msub> <mo>&#8776;</mo> <mn>16</mn> <mo>,</mo> <mn>500</mn> </mrow> </semantics> </math> </inline-formula>), elliptic scale-roughened surfaces show thermal transmittances improved by up to 81% with respect to heat sinks with flat surface. …”
Get full text

Experimental Study of Particle Transport and Deposition Distribution over Complex Terrains Based on Spherical Alumina by Yusheng Liu, Jie Zhang, Hongchao Dun, Kang Gong, Li Shi, Ning Huang

“…In an effort to investigate the deposition characteristics of particles over complex terrain, a series of experiments were conducted in a multifunctional environmental wind tunnel. The results show that the wind speed directly above the top of the mild slope model is significantly greater than that in the steep slope model, which indicates that a steep slope has a greater blocking effect on wind fields. …”
Get full text