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1561
Difference of Reynolds Crisis Aspects on Soccer Balls and Their Panels
Published 2020-06-01“…In this study, the fluid force of 11 soccer balls with different panel patterns was measured by wind tunnel tests. The drag crises with different Reynolds numbers were confirmed depending on the panel shape. …”
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Article -
1562
The Effect of Laminated Layers on the Flutter Speed of Composite Wing
Published 2023-07-01“…A wing of unmanned aerial vehicle was manufactured from woven glass and polyester resin where the flutter speed was calculated experimentally by the wind tunnel test .The flutter speed was calculated analytically for different ply orientation, it is found that the increasing in torsion rigidity leads to increase in the flutter speed, the fiber combination with high torsion rigidity and relatively low coupling rigidity give higher flutter speed. …”
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Article -
1563
Effects of Leading Edge Protuberances on the Aerodynamic Performance of 2D Cambered Airfoil
Published 2012-12-01“…The pressure and lift coefficients were measured for airfoils with leading edge protuberances in a subsonic wind tunnel and compared with the performance of a baseline NACA 4415 airfoil with a straight leading edge. …”
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Article -
1564
Spectral link of the generalized Townsend-Perry constants in turbulent boundary layers
Published 2021-10-01“…The theoretical predictions for the mean velocity and mean-square fluctuations reproduce the shape of the velocity profiles in the buffer and inertial layer obtained from wind tunnel experiments.…”
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Article -
1565
Comparative Study of the Aerodynamic Performance of the New MEXICO Rotor under Yaw Conditions
Published 2018-04-01“…The air-load predictions and near wake characteristics from the numerical results are compared and discussed against the most recent wind tunnel test data. The nacelle impact, dynamic stall phenomenon and wake characteristics are analyzed, demonstrating the yaw effects and numerical issues raised from Reynolds-Averaged Navier Stokes (RANS) and Detached Eddy Simulation (DES) computations.…”
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Article -
1566
Optimization of Sampling Positions for Measuring Ventilation Rates in Naturally Ventilated Buildings Using Tracer Gas
Published 2012-08-01“…Experiments with a scale model building were conducted in a wind tunnel to achieve observed values of those positions. …”
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Article -
1567
Study on Matching Constant Speed Propeller for Piston Engine on MALE UAV
Published 2020-10-01“…According to the speed and fuel consumption characteristic curve of piston engine, the economic working points of the engine are selected and then efficiencies of each propeller on the economic working points above are compared and analyzed. Wind tunnel tests of full scale engine and propeller are conducted. …”
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Article -
1568
Drag reduction study of a microfiber-coated cylinder
Published 2022-09-01“…The fully microfiber-coated cylinder is studied in a wind tunnel and the drag coefficient is determined at a range of Re in the subcritical-flow regime. …”
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Article -
1569
Wind Design of Tall Buildings: The State of the Art
Published 2022-05-01“…The latest in wind analysis tools and techniques is also presented. Wind tunnel testing remains the gold standard for determining wind loads on tall buildings, while the emerging use of computational fluid dynamics (CFD) is noted as being particularly useful for concept design stages. …”
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Article -
1570
The Aerodynamic Effects of a 3D Streamlined Tail on the Windsor Body
Published 2023-02-01“…The effects on the aerodynamic characteristics of a simple body from adding an elongated tapered tail have been investigated in a wind tunnel experiment. The streamlined tail consists of a constant rear body side taper added to a constant upper body taper. …”
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Article -
1571
Aerodynamic and dynamic loading in a blade cascade designed for flutter research
Published 2022-01-01“…The test section consists of five planar blades placed in a transonic wind tunnel, with high-frequency torsional oscillation of the middle blade driven by an electric motor. …”
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Article -
1572
Modeling and Analysis of Deformed Parafoil Recovery System
Published 2020-10-01“…The results show that the structure of parafoil considering deformation and deflection is not only similar to the actual parafoil, but also the obtained aerodynamic parameters are more close to the wind tunnel test, which proves that the present method has certain significance for precisely modeling the parafoil recovery system.…”
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Article -
1573
Numerical Investigation of the Flow around a Feather Shuttlecock with Rotation
Published 2020-06-01“…This further raises concerns regarding wind tunnel studies that use traditional experimental sting mounts; typically inserted into this aft region, they have potential to compromise both flow structure and resultant drag forces. …”
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Article -
1574
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1575
A novel small vertical axis wind turbine using delta-wing blades
Published 2015“…This is in particular an advantage, if delta-wings are used in small wind turbines. We have performed wind tunnel measurements at low tip-speed ratio and showed that the power output of the delta-wing turbine is higher than that of a conventional straight-bladed VAWT.…”
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Journal Article -
1576
Fluid to composite structure interaction
Published 2012“…Following this would be tests in the wind tunnel in order to recreate and observe the deformation of the wing in high-speed fluid flow. …”
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Final Year Project (FYP) -
1577
Fabrication and testing of Micro Electro Mechanical Systems (MEMS) flow sensors
Published 2013“…This sensor is calibrated and tested in a wind tunnel, exposing to different wind velocity. With the experimental results obtained, it is able to show that the sensor has the ability to determine wind velocity and wind direction. …”
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Final Year Project (FYP) -
1578
Design and test of active porosity mechanism for UAV maneuving
Published 2014“…In this project, an active porosity mechanism with the capability of providing time periodic actuation to create unsteady flow excitation has been developed. Wind tunnel tests were conducted over a range of angles of attack and actuation frequencies, and the aerodynamic performance was examined. …”
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Final Year Project (FYP) -
1579
Study of the reverse delta wing
Published 2011“…Particle image velocimetry was used in a low-speed wind tunnel to investigate the vortex structures of a slender reverse delta wing at various angles of attack and roll. …”
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Article -
1580
Estimation of aerodynamic parameters of IIUM hybrid airship
Published 2011“…The research work continues in laboratory testing with wind tunnel and six component balances as the main tool. …”
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Proceeding Paper