Next Article in Journal
Two-Dimensional Numerical Study of Seabed Response around a Buried Pipeline under Wave and Current Loading
Previous Article in Journal
Gravity-Based Foundations in the Offshore Wind Sector
Previous Article in Special Issue
Statistical Analysis of the Stability of Rock Slopes
Article Menu
Issue 3 (March) cover image

Export Article

Open AccessArticle

Physical Modelling of Blue Mussel Dropper Lines for the Development of Surrogates and Hydrodynamic Coefficients

1
Ludwig-Franzius-Institute for Hydraulic, Estuarine and Coastal Engineering, Leibniz Universität Hannover, 30167 Hannover, Germany
2
Department of Hydromechanics and Coastal Engineering, Leichtweiß-Institute for Hydraulic Engineering and Water Resources, Technische Universität Braunschweig, 38106 Braunschweig, Germany
3
Cawthron Institute, 7010 Nelson, New Zealand
4
Alfred Wegener Institute for Polar and Marine Research, Faculty of Biosciences, Shelf Sea Systems Ecology, Marine Aquaculture, 27570 Bremerhaven, Germany
5
Faculty 1, Applied Marine Biology and Aquaculture, Bremerhaven University of Applied Sciences, 27568 Bremerhaven, Germany
6
Geodetic Institute, Leibniz Universität Hannover, 30167 Hannover, Germany
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2019, 7(3), 65; https://doi.org/10.3390/jmse7030065
Received: 30 December 2018 / Revised: 26 February 2019 / Accepted: 6 March 2019 / Published: 12 March 2019
(This article belongs to the Special Issue Selected Papers from Coastlab18 Conference)
  |  
PDF [3266 KB, uploaded 12 March 2019]
  |     |  

Abstract

In this work, laboratory tests with live bivalves as well as the conceptual design of additively manufactured surrogate models are presented. The overall task of this work is to develop a surrogate best fitting to the live mussels tested in accordance to the identified surface descriptor, i.e., the Abbott–Firestone Curve, and to the hydrodynamic behaviour by means of drag and inertia coefficients. To date, very few investigations have focused on loads from currents as well as waves. Therefore, tests with a towing carriage were carried out in a wave flume. A custom-made rack using mounting clamps was built to facilitate carriage-run tests with minimal delays. Blue mussels (Mytilus edulis) extracted from a site in Germany, which were kept in aerated seawater to ensure their survival for the test duration, were used. A set of preliminary results showed drag and inertia coefficients C D and C M ranging from 1.16–3.03 and 0.25 to 1.25. To derive geometrical models of the mussel dropper lines, 3-D point clouds were prepared by means of 3-D laser scanning to obtain a realistic surface model. Centered on the 3-D point cloud, a suitable descriptor for the mass distribution over the surface was identified and three 3-D printed surrogates of the blue mussel were developed for further testing. These were evaluated regarding their fit to the original 3-D point cloud of the live blue mussels via the chosen surface descriptor. View Full-Text
Keywords: aquaculture; drag; inertia; Abbott–Firestone Curve; laboratory tests aquaculture; drag; inertia; Abbott–Firestone Curve; laboratory tests
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Landmann, J.; Ongsiek, T.; Goseberg, N.; Heasman, K.; Buck, B.H.; Paffenholz, J.-A.; Hildebrandt, A. Physical Modelling of Blue Mussel Dropper Lines for the Development of Surrogates and Hydrodynamic Coefficients. J. Mar. Sci. Eng. 2019, 7, 65.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
J. Mar. Sci. Eng. EISSN 2077-1312 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top