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|Title:||Dragonfly (Sympetrum flaveolum) flight : kinematic measurement and modelling||Authors:||Chen, Y. H.
Huang, W. M.
|Issue Date:||2013||Source:||Chen, Y. H., Martin, S., Zhao, Y., & Huang, W. M. (2013). Dragonfly (Sympetrum flaveolum) flight: Kinematic measurement and modelling. Journal of Fluids and Structures, 40, 115-126.||Series/Report no.:||Journal of fluids and structures||Abstract:||The kinematics of the flapping hindwing of the dragonfly Sympetrum flaveolum is investigated. Several tracking points along the leading edge and trailing edge of the hindwing are recorded and studied using high-speed videography. By applying more tracking points along the leading edge around the nodus, it is shown that the leading edge is not one rigid piece, but two pieces hinged at the nodus with physical constraint of forty degrees. Such arrangement also eases the difficulties in rotating the wing during pronation by bending the leading edge forward and flattening the wing. From the kinematic experiments, two flapping patterns of the dragonfly wing are revealed as a simple figure-eight and a double figure-eight flapping pattern. Kinematic modelling of the two flapping patterns is then established by transforming the flapping motions into angular rotations about the pivoting wing root in a local body-fixed spherical coordinate system.||URI:||https://hdl.handle.net/10356/85659
|ISSN:||0889-9746||DOI:||10.1016/j.jfluidstructs.2013.04.003||Rights:||© 2013 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of fluids and structures, Elsevier Ltd.. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI:http://dx.doi.org/10.1016/j.jfluidstructs.2013.04.003].||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||MAE Journal Articles|
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