[PDF] Top 20 AERODYNAMICS OF GLIDING FLIGHT IN A HARRIS' HAWK, PARABUTEO UNICINCTUS
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AERODYNAMICS OF GLIDING FLIGHT IN A HARRIS' HAWK, PARABUTEO UNICINCTUS
... maximum wing span cross-sectional area of wind tunnel Co, • • •, C3 constants from Tucker, 1987 drag coefficient Co profile drag coefficient c DjPr lift coefficient cL mean chord of wing[r] ... See full document
22
Drag reduction by wing tip slots in a gliding Harris' hawk, Parabuteo unicinctus
... At a wing span of 0.8 m, the unclipped hawk had a mean induced drag factor of 0.56, compared with the value of 1.10 assumed for the clipped hawk. A Monte Carlo simulation of error propagation and a ... See full document
7
Climbing Performance of Harris' Hawks (Parabuteo Unicinctus) with Added Load: Implications for Muscle Mechanics and for Radiotracking
... However, the mean slant groundspeed for both birds 4-13 ms" 1 was very low in comparison with the estimated minimum power speed see Table 1 and the observed speeds in horizontal flight [r] ... See full document
14
Gliding flight in a jackdaw: a wind tunnel study
... equilibrium gliding flight for several seconds, sometimes for up to a minute, and during such episodes we recorded the wing and tail ...was gliding at equilibrium and when it was not, but we also ... See full document
14
The effect of ball wear on ball aerodynamics: An investigation using hawk eye data
... In the first serve, new balls slow down less than used balls. Previous research has shown that the aerodynamics of a tennis ball change due to wear [11,12] and that the felt is an important component of drag. Wind ... See full document
7
Aerodynamic characteristics of flying fish in gliding flight
... flying-fish flight and provided qualitative and quantitative data for the flying fish ...best gliding performance can be achieved when the flying fish glides nearly parallel to the sea ... See full document
11
Gliding for a free lunch: biomechanics of foraging flight in common swifts (Apus apus)
... on gliding (Henningsson and Hedenström, 2011) and flapping flight (Henningsson et ...how flight biomechanics relate to flight ...observed flight performance in gliding and ... See full document
10
Dragonfly flight I Gliding flight and steady state aerodynamic forces
... steady gliding flight, the resultant of the lift and drag acting on the dragonfly balances its weight, and these aerodynamic forces can be calculated from measurements of its glide angle, glide speed and ... See full document
14
Kinematics and aerodynamics of avian upstrokes during slow flight
... Through circulation and vorticity shed via wing – wing interactions, we interpret the clap and peel mechanism supplements circulation produced during downstroke. If this is the case, additional aerodynamic activity may ... See full document
10
Aerodynamics and Flight Dynamics of Free Falling Ash Seeds
... DOI: 10.4236/wjet.2017.54B012 106 World Journal of Engineering and Technology while winged seeds mainly use lift force on their wings [2].The dispersal of winged seeds can be divided into two categories according to the ... See full document
12
Diving-flight aerodynamics of a peregrine falcon (Falco peregrinus)
... 3-D flight path trajectory of a diving peregrine was recorded; a high-resolution camera simultaneously captured images of the body and wing ...equilibrium flight conditions (maximum speed, zero ... See full document
14
Gliding Flight of the White Backed Vulture Gyps Africanus
... When flying straight between thermals in cross-country flight, the vultures would increase speed to 20 m/s or so, and it was then possible to maintain station with them horizontally, but[r] ... See full document
26
Efficiency of Lift Production in Flapping and Gliding Flight of Swifts
... in gliding flight has a detrimental effect on the downwash distribution and consequently the span efficiency ...its flight in most of the recorded gliding ...the gliding and flapping ... See full document
7
The Kinematics and Aerodynamics of the Free Flight of some Diptera
... Hence, during horizontal stroke plane hovering, downstroke drag, like lift, will equal that produced during the upstroke.. Drag will not affect the force balance in..[r] ... See full document
38
Feasibility Study on Improving of Helicopter Forward Flight Speed via Modification of the Blade Dimension and Engine Performance
... different flight mission that requires the aircraft to fly at various flying modes ...of flight performance, it is greatly influenced by rotor and fuselage aerodynamic and also engine ...forward ... See full document
9
Aerodynamics of gliding flight in common swifts
... The aerodynamic force generated by a flying bird is reflected in the vortex wake (e.g. Rayner, 1979a; Rayner, 1979b; Spedding, 1987), and modern techniques of digital particle image velocimetry (DPIV) have revealed both ... See full document
12
The aerodynamics of insect flight
... generate lift, the net circulation around the two-wing system is still zero and thus Kelvin’s law requiring conservation of circulation is satisfied (Fig.·4F; Spedding and Maxworthy, 1986). As pointed out by Lighthill ... See full document
18
Preparation for Flight by Hawk Moths
... In some insects this temperature rise may occur during the early period of flight, but Dotterweich 1928 considered that moths belonging to the families Noctuidae, Bombycidae and Sphingid[r] ... See full document
10
Gliding flight: drag and torque of a hawk and a falcon with straight and turned heads, and a lower value for the parasite drag coefficient
... Real raptors commonly turn their heads while gliding slowly, probably to change their line of sight and to initiate or control yawing. However, I do not remember seeing a falcon turn its head in a high-speed dive, ... See full document
12
The Wake of a Kestrel (Falco Tinnunculus) in Gliding Flight
... The aerodynamics of a kestrel in steady gliding flight seem to be well described by classical aircraft theory and a steady-state lifting line analysis of an elliptically loaded wing pair[r] ... See full document
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