Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles
Seals can detect prey up to 180 m away using only their flow‐sensing whiskers. The unique undulating morphology of Phocid seal whiskers reduces vortex‐induced vibrations (VIVs), rendering seals highly sensitive to biologically relevant flow stimuli. In this work, digital models of harbor and grey se...
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Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9839859/ http://www.ncbi.nlm.nih.gov/pubmed/36403235 https://doi.org/10.1002/advs.202203062 |
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ftpubmed:oai:pubmedcentral.nih.gov:9839859 2023-05-15T16:33:08+02:00 Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles Zheng, Xingwen Kamat, Amar M. Cao, Ming Kottapalli, Ajay Giri Prakash 2022-11-20 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9839859/ http://www.ncbi.nlm.nih.gov/pubmed/36403235 https://doi.org/10.1002/advs.202203062 en eng John Wiley and Sons Inc. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9839859/ http://www.ncbi.nlm.nih.gov/pubmed/36403235 http://dx.doi.org/10.1002/advs.202203062 © 2022 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. CC-BY Adv Sci (Weinh) Research Articles Text 2022 ftpubmed https://doi.org/10.1002/advs.202203062 2023-01-22T01:54:29Z Seals can detect prey up to 180 m away using only their flow‐sensing whiskers. The unique undulating morphology of Phocid seal whiskers reduces vortex‐induced vibrations (VIVs), rendering seals highly sensitive to biologically relevant flow stimuli. In this work, digital models of harbor and grey seal whiskers are extracted using 3D scanning and a mathematical framework that accurately recreates their undulating geometry is proposed. Through fluid–structure interaction studies and experimental investigations involving a whisker array mounted on 3D‐printed microelectromechanical systems sensors, the vibration characteristics of the whisker array and the interaction between neighboring whiskers in steady flows and fish‐wake‐like vortices are explained for the first time. Results reveal that the downstream vortices intensity and resulting VIVs are consistently lower for grey than harbor seal whiskers and a smooth cylinder, suggesting that the grey seal whisker geometry can be an ideal template for the biomimetic design of VIV‐resistant underwater structures. In addition, neighboring whiskers in an array influence one another by resulting in greater flow vorticity fluctuation and distribution area, thus causing increased vibrations than an isolated whisker, which indicates the possibility of a signal‐strengthening effect in whisker arrays. Text harbor seal PubMed Central (PMC) Advanced Science 10 2 2203062 |
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Research Articles |
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Research Articles Zheng, Xingwen Kamat, Amar M. Cao, Ming Kottapalli, Ajay Giri Prakash Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
topic_facet |
Research Articles |
description |
Seals can detect prey up to 180 m away using only their flow‐sensing whiskers. The unique undulating morphology of Phocid seal whiskers reduces vortex‐induced vibrations (VIVs), rendering seals highly sensitive to biologically relevant flow stimuli. In this work, digital models of harbor and grey seal whiskers are extracted using 3D scanning and a mathematical framework that accurately recreates their undulating geometry is proposed. Through fluid–structure interaction studies and experimental investigations involving a whisker array mounted on 3D‐printed microelectromechanical systems sensors, the vibration characteristics of the whisker array and the interaction between neighboring whiskers in steady flows and fish‐wake‐like vortices are explained for the first time. Results reveal that the downstream vortices intensity and resulting VIVs are consistently lower for grey than harbor seal whiskers and a smooth cylinder, suggesting that the grey seal whisker geometry can be an ideal template for the biomimetic design of VIV‐resistant underwater structures. In addition, neighboring whiskers in an array influence one another by resulting in greater flow vorticity fluctuation and distribution area, thus causing increased vibrations than an isolated whisker, which indicates the possibility of a signal‐strengthening effect in whisker arrays. |
format |
Text |
author |
Zheng, Xingwen Kamat, Amar M. Cao, Ming Kottapalli, Ajay Giri Prakash |
author_facet |
Zheng, Xingwen Kamat, Amar M. Cao, Ming Kottapalli, Ajay Giri Prakash |
author_sort |
Zheng, Xingwen |
title |
Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
title_short |
Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
title_full |
Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
title_fullStr |
Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
title_full_unstemmed |
Wavy Whiskers in Wakes: Explaining the Trail‐Tracking Capabilities of Whisker Arrays on Seal Muzzles |
title_sort |
wavy whiskers in wakes: explaining the trail‐tracking capabilities of whisker arrays on seal muzzles |
publisher |
John Wiley and Sons Inc. |
publishDate |
2022 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9839859/ http://www.ncbi.nlm.nih.gov/pubmed/36403235 https://doi.org/10.1002/advs.202203062 |
genre |
harbor seal |
genre_facet |
harbor seal |
op_source |
Adv Sci (Weinh) |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9839859/ http://www.ncbi.nlm.nih.gov/pubmed/36403235 http://dx.doi.org/10.1002/advs.202203062 |
op_rights |
© 2022 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1002/advs.202203062 |
container_title |
Advanced Science |
container_volume |
10 |
container_issue |
2 |
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2203062 |
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1766022849396473856 |