| Issue |
EPJ Web of Conferences
Volume 92, 2015
EFM14 – Experimental Fluid Mechanics 2014
|
|
|---|---|---|
| Article Number | 02092 | |
| Number of page(s) | 8 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/20159202092 | |
| Published online | 06 May 2015 | |
https://doi.org/10.1051/epjconf/20159202092
Drag force and jet propulsion investigation of a swimming squid
1 Yildiz Technical University, Faculty of Mechanical Engineering, Besiktas, Istanbul, 34349, Turkey
2 Yeditepe University, Mechanical Engineering Department, Atasehir, Istanbul, 34755, Turkey
3 Dogus University, Mechanical Engineering Department, Kadikoy, Istanbul, 34722, Turkey
a Corresponding author: bahadir.olcay@yeditepe.edu.tr
Published online: 6 May 2015
In this study, CAD model of a squid was obtained by taking computer tomography images of a real squid. The model later placed into a computational domain to calculate drag force and performance of jet propulsion. The drag study was performed on the CAD model so that drag force subjected to real squid was revealed at squid’s different swimming speeds and comparison has been made with other underwater creatures (e.g., a dolphin, sea lion and penguin). The drag coefficient (referenced to total wetted surface area) of squid is 0.0042 at Reynolds number 1.6x106 that is a %4.5 difference from Gentoo penguin. Besides, jet flow of squid was simulated to observe the flow region generated in the 2D domain utilizing dynamic mesh method to mimic the movement of squid’s mantle cavity.
© Owned by the authors, published by EDP Sciences, 2015
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