-
2021
Far Wake and Its Relation to Aerodynamic Efficiency
Published 2021-06-01“…These experiments build on previous results obtained at the University of Dayton Low Speed Wind Tunnel (UD-LSWT) on a cylinder, an AR 7 SD7062 wing, and a small remote control twin motor aircraft. …”
Get full text
Article -
2022
Aerodynamic Differences between New and Used Soccer Balls
Published 2021-08-01“…In this study, the aerodynamic characteristics of soccer balls kicked 1000 times by a robot were investigated through wind tunnel tests. The results were compared with those obtained using new soccer balls. …”
Get full text
Article -
2023
Identification of Pollution Sources in Urban Wind Environments Using the Regularized Residual Method
Published 2023-12-01“…Urban wind environments were simulated using a computational fluid dynamics (CFD) model, and the results were compared with experimental data pertaining to the wind tunnel of an architectural ensemble to verify the model’s accuracy. …”
Get full text
Article -
2024
Roughness Effect on the Flow Past Axisymmetric Bodies at High Incidence
Published 2022-10-01“…It is also demonstrated that, by using URANS methods in combination with SAS, strong differences in the global and local forces depending on the surface roughness of the model are obtained, a result which coincides with several wind tunnel tests.…”
Get full text
Article -
2025
Coefficient of power of Indonesian traditional wind-pump blade model
Published 2024-01-01“…The experiment was done in a wind tunnel with wind speed of 5 m/s. The adjustable shaft load was electric machine. …”
Get full text
Article -
2026
Shock Boundary Layer Interaction and Aero-Optical Effects in a Transonic Flow over Hemisphere-on-Cylinder Turrets
Published 2022-01-01“…In this paper, the SBLI phenomenon of a hemisphere-on-cylinder turret is recorded in a wind tunnel at Ma=0.7 using shadowing and Mach-Zehnder interferometer measurements. …”
Get full text
Article -
2027
Data Driven Methods for Finding Coefficients of Aerodynamic Drag and Rolling Resistance of Electric Vehicles
Published 2023-05-01“…Computational fluid dynamics (CFD), wind tunnel testing, and extensive mathematics make this objective challenging. …”
Get full text
Article -
2028
Effects of Inflow Condition on RANS and LES Predictions of the Flow around a High-Rise Building
Published 2020-12-01“…This paper investigates the effects of variations in the turbulent inflow, as predicted in different numerical simulations, on the flow pattern prediction around buildings, compared to wind tunnel tests. Turbulence characteristics were assessed at several locations around a model square high-rise building, namely, above the roof region, at the pedestrian level, and in the wake. …”
Get full text
Article -
2029
Development of an Algebraic Model of Empirical Parameterization of Near Wakes around a Vehicle
Published 2021-02-01“…The evaluation of the practicality of our proposed model is performed by comparing the wind tunnel experiments of the flow around a vehicle conducted by the Loughborough University. …”
Get full text
Article -
2030
NUMERICAL AND EXPERIMENTAL INVESTIGATION ON THE FLUTTER OF CANTILEVERED PLATES WITH FREE LEADING EDGE IN AXIAL FLOW
Published 2017-10-01“…Furthermore, the experimental investigation was conducted in the smooth flow of a wind tunnel to observe the flutter speeds of the plates and their vibration characteristics. …”
Get full text
Article -
2031
The Effect of Fin Design on Thermal Performance of Heat Sink
Published 2017-04-01“…Six . parallel plate heat sinks are fabricated and tested in small wind tunnel: flat plate, cross-cut, perforated, perforated cross-cut, zigzag and serpentine. …”
Get full text
Article -
2032
In Situ Observations of Wind Turbines Wakes with Unmanned Aerial Vehicle BOREAL within the MOMEMTA Project
Published 2022-05-01“…The MOMENTA project combines in situ and remote sensing observations, wind tunnel experiments, and numerical modeling to improve the knowledge of wake structure in wind farms in order to model its impact on the wind turbines and to optimize wind farm layout. …”
Get full text
Article -
2033
Helical vortex theory and blade element analysis of multi‐bladed windmills
Published 2023-02-01“…We emphasize the unusual features of windmills: low Reynolds numbers and tip speed ratios and high solidity, all related to the generation of high torque at low wind speeds. Wind tunnel tests on a model rotor with 3, 6, 12, and 24 circular‐arc, constant‐chord blades determined the thrust, torque, and extracted power over a range of tip speed ratio that extended to runaway. …”
Get full text
Article -
2034
Effects of the Configuration of Trailing Edge on the Flutter of an Elongated Bluff Body
Published 2021-11-01“…Wind-tunnel experiments are performed to investigate the effects of trailing-edge reattachment on the flutter behaviors of spring-suspended trailing-edge-changeable section models. …”
Get full text
Article -
2035
Icing Condition Predictions Using FBGS
Published 2021-09-01“…The test matrix was performed in the INTA Icing Wind Tunnel (IWT) with several icing conditions including SLD. …”
Get full text
Article -
2036
The Effect of Leading-Edge Wavy Shape on the Performance of Small-Scale HAWT Rotors
Published 2023-09-01“…Rotor models were tested in a wind tunnel for different wind speeds while maintaining constant rotational speed to provide the blade-tip chord Reynolds number of 4.7 × 10<sup>4</sup>. …”
Get full text
Article -
2037
Rod–Airfoil Interaction Noise Reduction Using Gradient Distributed Porous Leading Edges
Published 2022-05-01“…Noise radiations by NACA 0012 airfoils with nonporous aluminum and porous leading edges were experimentally compared in an anechoic wind tunnel by changing the streamwise gap between the upstream rod and the downstream airfoil, as well as the angle of attack of the airfoil. …”
Get full text
Article -
2038
Aerodynamic Shape Optimization Method of Non-Smooth Surfaces for Aerodynamic Drag Reduction on A Minivan
Published 2021-10-01“…The accuracy of the numerical method is validated by wind tunnel test. The drag reduction effects of rectangle, rhombus and arithmetic progression arrangement for circular concaves are investigated numerically, and then the aerodynamic drag coefficient of the rectangle arrangement with a better drag reduction effect is chosen as the optimization objective. …”
Get full text
Article -
2039
An Energy Potential Estimation Methodology and Novel Prototype Design for Building-Integrated Wind Turbines
Published 2019-05-01“…The hypothetical performance and design configuration were studied for a university building in Eibar city using wind data from the ERA5 reanalysis (European Centre for Medium-Range Weather Forecasts’ reanalysis), an anemometer to calibrate the data, and the actual small-scale behavior in a wind tunnel. The data acquired by the anemometer show high correlations with the ERA5 data in the direction parallel to the valley, and the calibration is therefore valid. …”
Get full text
Article -
2040
Aerodynamic Exploration for Tandem Wings with Smooth or Corrugated Surfaces at Low Reynolds Number
Published 2023-04-01“…In this article, several kinds of doubly- tandem wing configurations were designed, then computational investigations based on wind tunnel experiments were conducted to investigate the aerodynamic characteristics of these models. …”
Get full text
Article