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Flow sensing on dragonfly wings.

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Title: Flow sensing on dragonfly wings.
Authors: Uhrhan, Myriam J.1 (AUTHOR) myriam.uhrhan18@imperial.ac.uk, Bomphrey, Richard J.2 (AUTHOR), Lin, Huai‐Ti1 (AUTHOR) h.lin@imperial.ac.uk
Source: Annals of the New York Academy of Sciences. Jun2024, Vol. 1536 Issue 1, p107-121. 15p.
Subjects: Insect wings, Computational fluid dynamics, Dragonflies, Flow sensors, Sensor placement, Strain sensors
Abstract: One feature of animal wings is their embedded mechanosensory system that can support flight control. Insect wings are particularly interesting as they are highly deformable yet the actuation is limited to the wing base. It is established that strain sensors on insect wings can directly mediate reflexive control; however, little is known about airflow sensing by insect wings. What information can flow sensors capture and how can flow sensing benefit flight control? Here, we use the dragonfly (Sympetrum striolatum) as a model to explore the function of wing sensory bristles in the context of flight control. Combining our detailed anatomical reconstructions of both the sensor microstructures and wing architecture, we used computational fluid dynamics simulations to ask the following questions. (1) Are there strategic locations on wings that sample flow for estimating aerodynamically relevant parameters such as the local effective angle of attack? (2) Is the sensory bristle distribution on dragonfly wings optimal for flow sensing? (3) What is the aerodynamic effect of microstructures found near the sensory bristles on dragonfly wings? We discuss the benefits of flow sensing for flexible wings and how the evolved sensor placement affects information encoding. [ABSTRACT FROM AUTHOR]
Copyright of Annals of the New York Academy of Sciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Flow sensing on dragonfly wings.
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  Data: <searchLink fieldCode="JN" term="%22Annals+of+the+New+York+Academy+of+Sciences%22">Annals of the New York Academy of Sciences</searchLink>. Jun2024, Vol. 1536 Issue 1, p107-121. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Insect+wings%22">Insect wings</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+fluid+dynamics%22">Computational fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Dragonflies%22">Dragonflies</searchLink><br /><searchLink fieldCode="DE" term="%22Flow+sensors%22">Flow sensors</searchLink><br /><searchLink fieldCode="DE" term="%22Sensor+placement%22">Sensor placement</searchLink><br /><searchLink fieldCode="DE" term="%22Strain+sensors%22">Strain sensors</searchLink>
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  Label: Abstract
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  Data: One feature of animal wings is their embedded mechanosensory system that can support flight control. Insect wings are particularly interesting as they are highly deformable yet the actuation is limited to the wing base. It is established that strain sensors on insect wings can directly mediate reflexive control; however, little is known about airflow sensing by insect wings. What information can flow sensors capture and how can flow sensing benefit flight control? Here, we use the dragonfly (Sympetrum striolatum) as a model to explore the function of wing sensory bristles in the context of flight control. Combining our detailed anatomical reconstructions of both the sensor microstructures and wing architecture, we used computational fluid dynamics simulations to ask the following questions. (1) Are there strategic locations on wings that sample flow for estimating aerodynamically relevant parameters such as the local effective angle of attack? (2) Is the sensory bristle distribution on dragonfly wings optimal for flow sensing? (3) What is the aerodynamic effect of microstructures found near the sensory bristles on dragonfly wings? We discuss the benefits of flow sensing for flexible wings and how the evolved sensor placement affects information encoding. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Annals of the New York Academy of Sciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/nyas.15152
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      – Code: eng
        Text: English
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        PageCount: 15
        StartPage: 107
    Subjects:
      – SubjectFull: Insect wings
        Type: general
      – SubjectFull: Computational fluid dynamics
        Type: general
      – SubjectFull: Dragonflies
        Type: general
      – SubjectFull: Flow sensors
        Type: general
      – SubjectFull: Sensor placement
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      – SubjectFull: Strain sensors
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      – TitleFull: Flow sensing on dragonfly wings.
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            NameFull: Bomphrey, Richard J.
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            NameFull: Lin, Huai‐Ti
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            – D: 01
              M: 06
              Text: Jun2024
              Type: published
              Y: 2024
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            – TitleFull: Annals of the New York Academy of Sciences
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