Data from: Kinematic and hydrodynamic analyses of turning manoeuvres in penguins: Body banking and wing upstroke generate the centripetal force ...
Penguins perform lift-based swimming by flapping their wings. Previous kinematic and hydrodynamic studies have revealed the basics of wing motion and force generation in penguins. Although these studies have focused on steady forward swimming, the mechanism of turning manoeuvres is not well understo...
| Main Authors: | , |
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| Format: | Dataset |
| Language: | English |
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Dryad
2022
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| Online Access: | https://dx.doi.org/10.5061/dryad.gmsbcc2s5 https://datadryad.org/stash/dataset/doi:10.5061/dryad.gmsbcc2s5 |
| Summary: | Penguins perform lift-based swimming by flapping their wings. Previous kinematic and hydrodynamic studies have revealed the basics of wing motion and force generation in penguins. Although these studies have focused on steady forward swimming, the mechanism of turning manoeuvres is not well understood. In this study, we examined the horizontal turning of penguins via 3D motion analysis and quasi-steady hydrodynamic analysis. Free swimming of gentoo penguins (Pygoscelis papua) at an aquarium was recorded, and body and wing kinematics were analysed. In addition, quasi-steady calculations of the forces generated by the wings were performed. Among the selected horizontal swimming manoeuvres, turning was distinguished from straight swimming by the body trajectory for each wingbeat. During the turns, the penguins maintained outward banking through a wingbeat cycle and utilized a ventral force during the upstroke as a centripetal force to turn. Within a single wingbeat during the turns, changes in the body heading ... : Please see the README document (“README.md”) and the accompanying published article: N. Harada and H. Tanaka. 2022. Kinematic and hydrodynamic analyses of turning manoeuvres in penguins: body banking and wing upstroke generate centripetal force. Journal of Experimental Biology. DOI: 10.1242/jeb.244124. Please see also the related article: N. Harada, T. Oura, M. Maeda, Y. Shen, D. M. Kikuchi and H. Tanaka. 2021. Kinematics and hydrodynamics analyses of swimming penguins: wing bending improves propulsion performance. Journal of Experimental Biology. DOI: 10.1242/jeb.242140. ... |
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