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Development of a vortex generator to perturb fish locomotion
Journal article   Open access   Peer reviewed

Development of a vortex generator to perturb fish locomotion

Deeksha Seth, Brooke E Flammang, George V Lauder and James L Tangorra
Journal of experimental biology, v 220(Pt 6), pp 959-963
15 Mar 2017
PMID: 28082612
url
https://doi.org/10.1242/jeb.148346View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze) Open

Abstract

Animal Fins - physiology Animals Biomechanical Phenomena Elasticity Equipment Design Fishes - physiology Swimming Zoology - instrumentation
Knowledge about the stiffness of fish fins, and whether stiffness is modulated during swimming, is important for understanding the mechanics of a fin's force production. However, the mechanical properties of fins have not been studied during natural swimming, in part because of a lack of instrumentation. To remedy this, a vortex generator was developed that produces traveling vortices of adjustable strength which can be used to perturb the fins of swimming fish. Experiments were conducted to understand how the generator's settings affected the resulting vortex rings. A variety of vortices (14-32 mm diameter traveling at 371-2155 mm s ) were produced that elicited adequate responses from the fish fins to help us to understand the fin's mechanical properties at various swimming speeds (0-350 mm s ).

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Collaboration types
Domestic collaboration
Web of Science research areas
Biology
Zoology
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