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Three-dimensional flow evaluation of monarch butterfly wing

Progress in Computational Fluid Dynamics, ISSN: 1741-5233, Vol: 24, Issue: 4, Page: 191-203
2024
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    1
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Modeling a right royal butterfly effect

The monarch butterfly, Danaus plexippus, is renowned for its striking appearance and perhaps even more than that, its remarkable long-distance migration. The population present in North America heads south each year in the late-summer, early autumn, traveling thousands of miles to its wintering grounds.

Article Description

The current study aims to examine the flow field around a monarch butterfly wing at different angles of attack. A fully opened forewing configuration for the monarch butterfly wing has been selected for analysis at a maximum chord length. To mimic the membrane of the real monarch butterfly wing, the thickness of the wings has been taken as 0.15 mm. In this study, the Reynolds number is calculated as 9,724 for a 5 m/s freestream velocity. The effect of the angle of attack has been investigated between α ∈ [0, 40º] with a 2ºincrement from 0ºto 10º, and a 10ºincrement from 10ºto 40º. The aerodynamic coefficients are compared with the experimental and numerical results available in the literature. Furthermore, the vortex dynamics for different angles of attack are investigated to understand leading-edge vortex deformation.

Bibliographic Details

Fadile Yudum Comez; Nevsan Sengil; Dilek Funda Kurtulus

Inderscience Publishers

Physics and Astronomy; Computer Science

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