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wind tunnel experiments

Wingbeat frequency of barn swallows and house martins: a comparison between free flight and wind tunnel experiments

Wingbeat frequency of barn swallows and house martins: a comparison between free flight and wind tunnel experiments

... in wind tunnel studies (for reviews, see Masman and Klaassen, 1987; Rayner, 1999), but few authors have investigated this subject for birds in free flight ...between wind tunnel flight and ...

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A numerical optimization of high altitude testing facility for wind tunnel experiments

A numerical optimization of high altitude testing facility for wind tunnel experiments

... conducting wind tunnel experiments leads to a versatile ...a wind tunnel separately for the high speed flow simulation ...for wind tunnel ...for wind tunnel ...

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CFD Simulations and Wind Tunnel Experiments of a Generic Split-Canard Air-to-Air Missile at High Angles of Attack in Turbulent Subsonic Flow

CFD Simulations and Wind Tunnel Experiments of a Generic Split-Canard Air-to-Air Missile at High Angles of Attack in Turbulent Subsonic Flow

... subsonic wind tunnel. Theoretical maximum flow velocity in the tunnel is approximately 70 ...the wind tunnel experiments was constructed in scale ...the wind tunnel ...

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Wind tunnel experiments of novel wing configurations for design and customisation in an Industry 4.0 environment

Wind tunnel experiments of novel wing configurations for design and customisation in an Industry 4.0 environment

... Abstract—Industry 4.0 calls for validated simulations for rapid customization and through-life designs. Wind tunnel experiments are widely used in validating flow-field simulations for aircraft ...

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Wind tunnel experiments: cold-air pooling and atmospheric decoupling above a melting snow patch

Wind tunnel experiments: cold-air pooling and atmospheric decoupling above a melting snow patch

... calm wind conditions, and boundary-layer decoupling (suppres- sion of turbulence near the surface) is promoted (Vosper et ...lower wind speeds decreasing turbulent fluxes (Mott et ...low wind speeds, ...

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Wind Tunnel Experiments to Assess the Effect of Back Mounted Radio Transmitters on Bird Body Drag

Wind Tunnel Experiments to Assess the Effect of Back Mounted Radio Transmitters on Bird Body Drag

... Our objectives were 1 to determine the effect of backmounted radio transmitters on the aerodynamic drag of bird bodies, 2 to test fairings intended to reduce the drag of the transmitter,[r] ...

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Wind tunnel experiments on wind turbine wakes in yaw: redefining the wake width

Wind tunnel experiments on wind turbine wakes in yaw: redefining the wake width

... yawed wind turbines, this study examines the wakes behind model wind turbines during yaw ...a wind turbine is modeled by a porous disk in the flow as done by España et ...example), experiments ...

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Wind tunnel experiments on wind turbine wakes in yaw: effects of inflow turbulence and shear

Wind tunnel experiments on wind turbine wakes in yaw: effects of inflow turbulence and shear

... ies (Bartl and Sætran, 2017; Eriksen and Krogstad, 2017), a ring of high turbulence levels is formed behind the tips of the rotor blades for a non-yawed turbine. In this region the tip vortices decayed into turbulent ...

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ScramSpace hypersonic aerodynamic drag coefficient (CD) determined by free-flight experiments at TUSQ wind-tunnel

ScramSpace hypersonic aerodynamic drag coefficient (CD) determined by free-flight experiments at TUSQ wind-tunnel

... The ScramSpace program received increased visibility in both the scientific community and popular media (Creedy 2012) as the flight experiment over the Andoya Rocket Range in Norway in September 2013 neared. The ...

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Robird wind tunnel test setup design

Robird wind tunnel test setup design

... for wind tunnel experiments to follow, aerodynamic loads can be distinguished by subtracting the measurements from the developed setup with the simulations from the developed ...

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Similarity Study on Snowdrift Wind Tunnel Test

Similarity Study on Snowdrift Wind Tunnel Test

... of wind tunnel test should be above ...high wind velocity, Equation (11) would not be satisfied, hereby indicating the classic contradic- tions between the Reynolds number and the Froude ...

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Transonic wind tunnel for investigation of turbomachinery blades

Transonic wind tunnel for investigation of turbomachinery blades

... speed of sound for the supersonic stream speed of sound for the subsonic stream mean velocity of the gas upstream of the wind tunnel mean velocity of the gas downstream of the wind tunne[r] ...

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Gliding flight in a jackdaw: a wind tunnel study

Gliding flight in a jackdaw: a wind tunnel study

... the tunnel and to transport it between the aviary and the test section of the wind ...the tunnel in the horizontal position; the bird was gently tossed off the stick at a moderate wind speed ...

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Effect of Gusty Wind on Road Tunnel Safety

Effect of Gusty Wind on Road Tunnel Safety

... Bora wind is cold, dry, and very gusty. A strong Bora wind is a regional phenomenon that is most prominent on slopes and just beneath them, as well as where converge and gather speed ...Bora wind ...

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A Two-Parameter Wind Tunnel Rigging System

A Two-Parameter Wind Tunnel Rigging System

... ~s in any problem in mechanics the forces to be measured can be broken down into six components and in aerodynamics theiOe forces are designated as follows: = Lift L • ~olling D : Drag f[r] ...

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Wind tunnel for studies of latent heat storage

Wind tunnel for studies of latent heat storage

... special wind tunnel has been designed and is being built in this ...the tunnel to recirculating hot air flow in a 140 mm x 140 mm test ...the tunnel and exposing the test section to flow of ...

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Temperature and lifetime measurements in the SSX wind tunnel

Temperature and lifetime measurements in the SSX wind tunnel

... The biasing voltage between the probe tips was scanned from −30 V to +30 V with a 5 V interval and 10 shots of the wind tunnel were recorded at each bias- ing voltage. One such scan is shown in Fig. 9 at ...

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CFD for Better Understanding of Wind Tunnel Tests

CFD for Better Understanding of Wind Tunnel Tests

... Criteria for incipient separation are important for control surface design at supersonic and hypersonic speeds. Empirical relations have been established based on extensive experimental tests for both laminar and ...

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Aerodynamic Models and Wind Tunnel for Straight-bladed Vertical Axis Wind Turbines

Aerodynamic Models and Wind Tunnel for Straight-bladed Vertical Axis Wind Turbines

... the wind turbine is covered with a cylindrical cover of 216 mm diameter, so that in this range the measurement is not performed, the number of valid measuring points remained ...

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Wind tunnel test study the influence of wind screen on wind pressure distribution above railway tracks

Wind tunnel test study the influence of wind screen on wind pressure distribution above railway tracks

... the wind screen to effects of distribution on wind pressure above tracks, the wind pressure coefficients profile were tested by the wind tunnel testing used the wind pressure row ...

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