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Keywords: Bird flight
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Journal Articles
J Exp Biol (2020) 223 (21): jeb225839.
Published: 12 November 2020
... increases net power. Pectoralis major Work loop Skeletal muscle Bird flight Because there are multiple features that determine muscle work and power, most of which can be manipulated in a work-loop experiment, there is a vast parameter space that can be explored. The specific goal of our...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb185488.
Published: 08 May 2019
.... Aspects of the geometries adopted by both birds appeared to be related to control corrections and this method would be well suited for future investigations in this area, as well as for other quantitative studies into avian flight dynamics. Bird flight Stereo-photogrammetry Flight dynamics Flight...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (11): 1930–1939.
Published: 01 June 2010
... stall effect, and the transition into flow separation. Also, the influence of the delayed stall and flow separation was clearly visible in measurements of instantaneous net force over the wingbeat cycle. Here, we show that, even at reduced frequencies as low as those of large bird flight, unsteady...
Journal Articles
J Exp Biol (2008) 211 (2): 258–266.
Published: 15 January 2008
... control stability bird flight insect flight flight simulator photogrammetry virtual reality biomechanics steppe eagle Aquila nipalensis While we may now claim a reasonable understanding of many mechanical and physiological aspects of animal flight control, we do not yet understand...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2007) 210 (23): 4136–4149.
Published: 01 December 2007
... (e-mail: graham.taylor@zoo.ox.ac.uk ) 11 9 2007 © The Company of Biologists Limited 2007 2007 bird flight Aquila nipalensis flight control stability aeroelastic device high-lift device flow control leading-edge flap Kruger flap alula The wings of birds...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2007) 210 (6): 1075–1083.
Published: 15 March 2007
... Laboratory, College of Health Sciences, Division of Kinesiology and Health, University of Wyoming,Laramie, WY 82071, USA (e-mail: mbundle@uwyo.edu ) 17 1 2007 © The Company of Biologists Limited 2007 2007 bird flight power curve metabolic rate Both budgerigars and cockatiels...
Journal Articles
J Exp Biol (2004) 207 (24): 4255–4268.
Published: 15 November 2004
..., Sweden 14 9 2004 © The Company of Biologists Limited 2004 2004 wingbeat kinematics vortex wake thrush nightingale Luscinia luscinia DPVI aerodynamics bird flight bird wind tunnel An extensive set of experiments on the flight aerodynamics of a thrush nightingale...
Journal Articles
J Exp Biol (1992) 165 (1): 21–41.
Published: 01 April 1992
... forward as the wing span increases (Hankin, 1913). If the centre of pressure for the aerodynamic force on the wings also moves forward, an increase Key words: bird flight, centre of area, centre of pressure, pitch, pitching moment, primary feathers, wind tunnel, wing tips, Parabuteo unicinctus. 22 V...
Journal Articles
J Exp Biol (1992) 164 (1): 19–38.
Published: 01 March 1992
... climbing bird species was calculated to be in the range 16–41 joules per kilogram muscle mass, showing a significant positive correlation with body mass bird flight climbing performance flight power fuel load load carrying muscle work © 1992 by Company of Biologists 1992 4 10 1991...
Journal Articles
J Exp Biol (1990) 149 (1): 469–489.
Published: 01 March 1990
... (1975, 1989) reviewed the aerodynamic character- istics of soaring birds, the motions of the air through which they glide and the manoeuvres that they use to stay aloft and move with respect to the ground. Birds can optimize their aerodynamic characteristics by changing their wing Key words: bird flight...
Journal Articles
J Exp Biol (1990) 149 (1): 449–468.
Published: 01 March 1990
... it is not associated with a significant lift component. Key words: bird flight, drag coefficient, gliding performance, Harris' hawk, parasite drag, bolar curve, wind tunnel. 450 V. A . TUCKER Recent studies of gliding flight (Tucker, 1987, 1988; Tucker and Heine, 1990) use body drag as one of the terms...
Journal Articles
J Exp Biol (1986) 125 (1): 287–307.
Published: 01 September 1986
... is presented that this apparent wake momentum deficit may arise because the description of the real wake vorticity distribution is too simplistic. The implications of these results for theoretical models of bird flight are briefly discussed. J. exp. Biol. 125, 287-307 (1986) 2 8 7 Printed in Great Britain ©...
Journal Articles
J Exp Biol (1985) 114 (1): 285–288.
Published: 01 January 1985
...-and-fling and steady-state flight. 9 7 1984 © 1985 by Company of Biologists 1985 Bird flight aerodynamics take-off. J. exp. Biol. 114. 285-288 (1985) 285 Printed in Great Britain © The Company of Biologists Limited 1985 LEG THRUST IMPORTANT IN FLIGHT TAKE-OFF IN THE PIGEON BY FRANK H...
Journal Articles
J Exp Biol (1984) 111 (1): 81–102.
Published: 01 July 1984
...G. R. SPEDDING; J. M.V. RAYNER; C. J. PENNYCUICK A technique is described whereby the vortex wake of birds in slow forward flight may be investigated with a view towards testing some of the assumptions and predictions of existing theoretical models of bird flight. Multiflash stereophotogrammetry...