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Bioinspired Mechanism Synthesis for Flapping Flight with Unsteady Flow Effects

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Mechanisms, Transmissions and Applications

Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 31))

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Abstract

Optimal 2D flapping wing kinematics and wing shape are obtained based on well-established unsteady flow characteristics to maximize the mean lift. Flow characteristics, e.g., creation and evolution (strength and position) of the attached leading and trailing edge vortex, vortex shedding and subsequent wake capture, Kramer’s and transient effects, are modeled via the potential flow analyses performed on a finite set of cross flow planes. The stabilizing axial flow across the helical vortex is computed by considering the variation in span-wise vortex properties and centrifugal forces due to wing rotation. Post detachment, vortex decay is captured in the wake. The consequent variation in pressure around the wing chord is used to compute the mean lift per cycle.

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Authors and Affiliations

  1. Department of Mechanical Engineering, IIT Kanpur, Kanpur, 208016, India

    Hrishikesh Raste & Anupam Saxena

  2. AICES, RWTH Aachen-University, 52056, Aachen, Germany

    Roger Sauer

  3. IGM, RWTH Aachen-University, 52056, Aachen, Germany

    Burkhard Corves

Authors
  1. Hrishikesh Raste
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  2. Anupam Saxena
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  3. Roger Sauer
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  4. Burkhard Corves
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Corresponding authors

Correspondence to Hrishikesh Raste or Anupam Saxena .

Editor information

Editors and Affiliations

  1. Department of Mechanism Theory and Dynamics of Machines, RWTH Aachen, Aachen, Germany

    Burkhard Corves

  2. Mechanical Engineering Faculty, Univ. Politehnica Timisoara, Timisoara, Romania

    Erwin-Christian Lovasz

  3. Dept of Mechanism Theory and Dynamics of Machines, RWTH Aachen, Aachen, Germany

    Mathias Hüsing

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© 2015 Springer International Publishing Switzerland

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Raste, H., Saxena, A., Sauer, R., Corves, B. (2015). Bioinspired Mechanism Synthesis for Flapping Flight with Unsteady Flow Effects. In: Corves, B., Lovasz, EC., Hüsing, M. (eds) Mechanisms, Transmissions and Applications. Mechanisms and Machine Science, vol 31. Springer, Cham. https://doi.org/10.1007/978-3-319-17067-1_26

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  • DOI: https://doi.org/10.1007/978-3-319-17067-1_26

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-17066-4

  • Online ISBN: 978-3-319-17067-1

  • eBook Packages: EngineeringEngineering (R0)

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