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Keywords: hovering flight
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Journal Articles
J Exp Biol (2018) 221 (19): jeb187369.
Published: 5 October 2018
... and flapping AoA, based on 3D free-hovering flight wing kinematics of a horned beetle, Allomyrina dichotoma . The relative simplicity of the model allowed us to search for the best AoA distributed along the wingspan, which generate the highest vertical force per unit power. We show that, although elastic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (22): 4161–4171.
Published: 15 November 2013
..., and prepared the manuscript. COMPETING INTERESTS No competing interests declared. 12 4 2013 31 7 2013 © 2013. Published by The Company of Biologists Ltd 2013 The neuromuscular encoding of the modulation of wingbeat kinematics during sustained hovering flight appears highly...
Journal Articles
J Exp Biol (2005) 208 (18): 3603–3607.
Published: 15 September 2005
... hovering flight metabolic scaling orchid bee Orchid bees (Apidea: Euglossini) belong to a diverse clade consisting of more than 190 species belonging to five genera that vary in body mass by about 20-fold. Pioneering work conducted by Casey and colleagues( Casey and Ellington, 1990 ;Casey et al...
Journal Articles
J Exp Biol (2005) 208 (18): 3573–3579.
Published: 15 September 2005
... program to investigate the size-dependence of flight energetics in Panamanian orchid bees. We succeeded in measuring rates of O 2 consumption and CO 2 production in vivo during hovering flight, as well as maximal activities( V max values) in vitro of key enzymes in flight muscle energy metabolism in nine...
Journal Articles
J Exp Biol (2004) 207 (11): 1887–1901.
Published: 1 May 2004
...Mao Sun; Shi Long Lan SUMMARY Aerodynamic force generation and mechanical power requirements of a dragonfly ( Aeschna juncea ) in hovering flight are studied. The method of numerically solving the Navier–Stokes equations in moving overset grids is used. When the midstroke angles of attack...
Journal Articles
J Exp Biol (1998) 201 (7): 963–968.
Published: 1 April 1998
... 20 1 1998 5 3 1998 © 1998 The Company of Biologists Limited 1998 flight energetics hovering flight hummingbirds mechanical power output metabolic heat production muscle mechanical efficiency oxygen consumption temperature thermoregulation Archilochus colubris...
Journal Articles
J Exp Biol (1998) 201 (2): 237–244.
Published: 15 January 1998
...York Winter; Christian Voigt; Otto Von Helversen ABSTRACT Glossophagine nectar-feeding bats exploit flowers while hovering in front of them. Aerodynamic theory predicts that power output for hovering flight in Glossophaga soricina is 2.6 times higher than during horizontal flight. We tested...
Journal Articles
J Exp Biol (1997) 200 (10): 1527–1536.
Published: 1 May 1997
... . 10 3 1997 © 1997 The Company of Biologists Ltd. 1997 air density body mass flight feathers heliox hovering flight hummingbird Archilochus colubris lift coefficient moult muscle power and efficiency oxygen consumption wing area loss Moulting of the feathers must...
Journal Articles
J Exp Biol (1996) 199 (12): 2745–2755.
Published: 1 December 1996
... of hovering flight of hummingbirds . J. exp. Biol . 178 , 59 – 70 . Wells , D. J. and Ellington , C. P. ( 1994 ). Beyond the vertebrates: achieving maximum power during flight in insects and hummingbirds . In Advances in Veterinary Science and Comparative Medicine , vol. 38B...
Journal Articles
J Exp Biol (1996) 199 (10): 2285–2295.
Published: 1 October 1996
.../helium mixtures are hypodense and hypoxic; failure to sustain hovering flight occurred at 63 % of the density of sea-level air and at an oxygen concentration of 12 %. Air/heliox mixtures are hypodense but normoxic; failure in hovering occurred at 47 % of sea-level air density. Thus, hummingbirds...