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Wind tunnel experiments

DESIGN OF AN OFFSHORE THREE-BLADED VERTICAL AXIS WIND TURBINE FOR WIND TUNNEL EXPERIMENTS

DESIGN OF AN OFFSHORE THREE-BLADED VERTICAL AXIS WIND TURBINE FOR WIND TUNNEL EXPERIMENTS

... alternatives, wind energy is one of the most emerging prospective because of its renewable, sustainable and environment friendly nature, especially at its offshore ...offshore wind energy market has ...

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A simple model to estimate emission of wind-blown particles from a granular bed in comparison to wind tunnel experiments

A simple model to estimate emission of wind-blown particles from a granular bed in comparison to wind tunnel experiments

... of wind shear and the eroded depth of the bed after the pavement, which in turn gives the emitted ...addition, wind tunnel experiments were carried out in order to broaden knowledge of the ...

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Assessment of airborne transport of potential contaminants in a wind tunnel

Assessment of airborne transport of potential contaminants in a wind tunnel

... of wind velocity has been extensively investigated in relation to the nozzle type (Nuyttens et ...2014). Wind tunnel experiments have significantly contributed to drift assessment be- cause ...

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Implementation of a hybrid electro-active actuated morphing wing in wind tunnel

Implementation of a hybrid electro-active actuated morphing wing in wind tunnel

... Wind tunnel experiments have demonstrated the ability of the camber control to change the lift by 23%, the drag by 35% and the lift over drag ratio by ...during wind-tunnel ...

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To curl or not to curl : wind tunnel investigation of spinnaker performance

To curl or not to curl : wind tunnel investigation of spinnaker performance

... down- wind sail, [19] has numerically provided insights into the flow behaviour, in particular in the luff ...with wind tunnel experiments on flexible ([21, 22, 23]) and semi-rigid sails ([4, ...

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Implementation of a hybrid electro-active actuated morphing wing in wind tunnel

Implementation of a hybrid electro-active actuated morphing wing in wind tunnel

... Keywords: Aerodynamics, Morphing, Piezoelectricity, Shape-memory Alloys, Control. Abstract. Amongst current aircraft research topics, morphing wing is of great interest for improving the aerodynamic performance. A ...

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Investigation on the performance of fire detection systems for tunnel applications - Part 1: full-scale experiments at a laboratory tunnel

Investigation on the performance of fire detection systems for tunnel applications - Part 1: full-scale experiments at a laboratory tunnel

... The fire in the engine compartment grew slowly. The flames were confined inside the engine compartment during the initial stage of the fire and then gradually developed outside the compartment. The fire development and ...

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Wind-tunnel investigations of an inclined stay cable with a helical fillet

Wind-tunnel investigations of an inclined stay cable with a helical fillet

... across- wind vibrations of the model at a frequency of ...for wind speeds ranging from 4 to 36 m/s covering the entire critical number regime and beyond, 43,000< Re ...

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Observations on evaporation from snow and ice surfaces in a small wind tunnel

Observations on evaporation from snow and ice surfaces in a small wind tunnel

... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Observations on evaporation from snow and ice surfaces in a small wind tunnel[r] ...

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A CFD approach to improve wind tunnel tests - The hepia global methodology

A CFD approach to improve wind tunnel tests - The hepia global methodology

... THE USE OF CFD IN THE HEPIA METHODOLOGY This project demonstrates the hepia global approach is very robust and consistent. In this project, 90% of the work has been done in CFD. However, the role of the wind ...

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Upwind sail aerodynamics : A RANS numerical investigation validated with wind tunnel pressure measurements

Upwind sail aerodynamics : A RANS numerical investigation validated with wind tunnel pressure measurements

... Even though many models are now available for sail aerodynamics, there is a real need for detailed validation of numerical simulations in order to provide reliable design tools for the sailing industry. Unfortunately, ...

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Statistical analysis of velocity measurements in anatmospheric boundary layer in wind tunnel

Statistical analysis of velocity measurements in anatmospheric boundary layer in wind tunnel

... The authors are grateful to Boris Conan (PRISME laboratory, Orleans, France), Luigi Carassale (University of Genova, Italy) and Guido Buresti (University of Pisa, Italy) for their interested support. Contacts 1 T. ...

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Comparison of a random-walk model for droplet transport and wind-tunnel measurements

Comparison of a random-walk model for droplet transport and wind-tunnel measurements

... Reduced span spray Experimental parameters • Droplet velocity: 8.5 m/s • Liquid: Tap water + nigrosin (black dye) • Wind speed: 2 m/s with 5% turbulence intensity • Humidity of 60% and[r] ...

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Dedicated vertical wind tunnel for the study of sedimentation of non-spherical particles

Dedicated vertical wind tunnel for the study of sedimentation of non-spherical particles

... REVIEW OF SCIENTIFIC INSTRUMENTS 84, 054501 (2013) Dedicated vertical wind tunnel for the study of sedimentation of non-spherical particles G. H. Bagheri, 1 C. Bonadonna, 1 I. Manzella, 1 P. Pontelandolfo, ...

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Laboratory experiments of surf zone dynamics under on-and offshore wind conditions

Laboratory experiments of surf zone dynamics under on-and offshore wind conditions

... of wind-wave interaction near the breaking point must be ...moderate wind conditions, the present experiments demonstrate that, for strong wind conditions, the breaker height to depth ratio is ...

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Performance enhancement of downwind sails due to leading edge flapping: A wind tunnel investigation

Performance enhancement of downwind sails due to leading edge flapping: A wind tunnel investigation

... a wind tunnel experimental study on the effect of the leading edge flapping on the aero- dynamic performance of a ...various wind speeds and wind angles in a wind ...the wind ...

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A de-mixing approach for the management of large negative peaks in wind tunnel data

A de-mixing approach for the management of large negative peaks in wind tunnel data

... a wind tunnel are used in the structural design with two major aims: (i) the determination of equivalent loads that can be used for the design of the main ( Kareem and Zhou, 2003 ) and more locally ...

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The design, development and construction of a low-noise, low-turbulence wind tunnel

The design, development and construction of a low-noise, low-turbulence wind tunnel

... BOUNDARY LAYER MEAN VELOCITY PROFILE IN DUCT 1 INCH UPSTREAM OF OPEN JET TEST SECTION. 0 15[r] ...

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Experimental Simulation of Meteorite Ablation during Earth Entry Using a Plasma Wind Tunnel

Experimental Simulation of Meteorite Ablation during Earth Entry Using a Plasma Wind Tunnel

... is subtracted for clarity. The two spectra agree fairly well. Especially below 700 nm the spectrum of the EM132 sample is well comparable to the Vojacek spectrum. There are different peaks in the observed data which can ...

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Preliminary wind tunnel test of a lifting fan in a two-dimensional aerofoil

Preliminary wind tunnel test of a lifting fan in a two-dimensional aerofoil

... Force measurements of lift, drag, and pitching moment with inlet and outlet vanes installed were made and the measurements are shown in Figures 7 and 8, and are compared [r] ...

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