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Applied Sciences
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Innovative Material or Solutions for Marine Fields Applications
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Innovative Material or Solutions for Marine Fields Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Marine Science and Engineering".

Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 5032

Special Issue Editors

Dr. Marco Caniato

E-Mail Website
Guest Editor
Faculty of Science and Technology, Free University of Bozen-Bolzano, 39100 Bozen, Italy
Interests: indoor comfort; acoustics; impaired individual comfort perception; acoustic and thermal material characterization; building elements; numerical simulations; sustainability; timber buildings
Special Issues, Collections and Topics in MDPI journals
Dr. Giada Kyaw Oo D'Amore

E-Mail Website
Guest Editor
Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
Interests: FEM modeling; marine acoustics; noise control; vibration control; CFD modeling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, a growing awareness of the need to reduce both economic and environmental costs has developed in industrial sectors, including the marine sector.

The focus of this awareness is placed not only on fuel consumption and emissions, but on every segment of production, from concept design up to the disposal of components at the end of their life.

On board ships, fire safety and noise are very important aspects to be considered. The International Maritime Organization issues regulations that impose restrictive limits on the fire resistance of components used to slow or stop fire. Moreover, noise levels inside cabins and working spaces are limited in order to guarantee both high comfort for passengers and security for operators. The noise radiated by ships in the water and in the air is also regulated. Therefore, the adoption of metamaterials and innovative materials or solutions that allow compliance with the new regulations and guidelines are of great interest.

For these reasons, we are calling for papers for a Special Issue on acoustic and thermal applications of metamaterials and innovative materials or solutions. This Special Issue aims to include original research articles and high-quality reviews on the design, optimization, characterization, and application of innovative materials or solutions and metamaterials in industrial fields, with particular attention to the marine sector. Reports on experimental, computational, or multidisciplinary research are encouraged. Review articles describing the current state of the art are also welcome.

Potential topics include but are not limited to the following:

  • Design and study of thermal and acoustic innovative materials and metamaterials
  • Applied research using measurements
  • Numerical studies and research works on innovative materials and metamaterials
  • Innovative thermo-acoustic solutions
  • Reduction of radiated noise in water
  • Acoustic reflection suppression
  • Reduction of airborne acoustic radiated power and wall insulation
  • Reduction of pressure fluctuation in pipes
  • Fire resistance of innovative materials or solutions and metamaterials
  • Change in performance due to the service time of innovative materials and metamaterials in marine environments
  • Cases studies of new applications and/or traditional solutions used in new applications
  • Cost analysis for the adoption of innovative thermo-acoustic solutions
  • Life cycle assessment of innovative thermo-acoustic solutions

Dr. Marco Caniato
Dr. Giada Kyaw Oo D'Amore
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Research

16 pages, 7641 KiB  
Article
Thermoplastic Materials for the Metal Replacement of Non-Structural Components in Marine Engines
by Serena Bertagna, Luca Braidotti, Erik Laurini, Alberto Marinò, Sabrina Pricl and Vittorio Bucci
Appl. Sci. 2022, 12(17), 8766; https://doi.org/10.3390/app12178766 - 31 Aug 2022
Cited by 4 | Viewed by 1095
Abstract
Metal replacements for automotive and aerospace components are already a consolidated reality, in light of the advantages offered by fibre-reinforced polymers, consisting of reduced costs, weight, and environmental impact. As a result, engineering has been studying the possibility of replacing currently used metallic [...] Read more.
Metal replacements for automotive and aerospace components are already a consolidated reality, in light of the advantages offered by fibre-reinforced polymers, consisting of reduced costs, weight, and environmental impact. As a result, engineering has been studying the possibility of replacing currently used metallic alloys with alternative materials, such as thermoplastic fibre-reinforced polymers, in the manufacturing of non-structural sections of marine engines. Given the peculiar characteristics of the working environment of such parts, i.e., ship engine spaces, and the strict requirements regarding safety, the selection of the polymer must be properly performed through a tailored material design process. Consequently, the redesign of the components must be carried out with the aim of exploiting the best of the materials’ properties while ensuring the correct resistance and simplifying installation operations. In this framework, finite element simulations may represent a suitable approach to validate the conformity of the proposed material and design. In this paper, this methodology is applied to a camshaft cover of a four-stroke marine engine, currently made of aluminium alloy. A 30% wt GFs/PA6,6 was identified as the most promising material and the novel plastic cover proved to guarantee the correct resistance while ensuring an important reduction in weight, processing costs, and required energy. Full article
(This article belongs to the Special Issue Innovative Material or Solutions for Marine Fields Applications)
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13 pages, 7620 KiB  
Article
A Metamaterial Solution for Soundproofing on Board Ship
by Giada Kyaw Oo D’Amore, Stefano Caverni, Marco Biot, Giovanni Rognoni and Luca D’Alessandro
Appl. Sci. 2022, 12(13), 6372; https://doi.org/10.3390/app12136372 - 23 Jun 2022
Cited by 2 | Viewed by 1429
Abstract
The design of innovative metamaterials with robust and reliable performances is attracting increasing interest in shipbuilding, due to the potential and versatility of these materials. In particular, soundproofing is becoming an even more important characteristic, to ensure the comfort levels required by the [...] Read more.
The design of innovative metamaterials with robust and reliable performances is attracting increasing interest in shipbuilding, due to the potential and versatility of these materials. In particular, soundproofing is becoming an even more important characteristic, to ensure the comfort levels required by the standards on board ships. Thus, shipyards are constantly looking for innovative solutions to improve the insulation between environments, while respecting the safety regulations with which the materials on board must comply. In this study, an innovative solution called the Metasolution is designed and characterized, considering both the transmission loss (TL) and the fire resistance. The Metasolution is proven to be a valid substitute for the traditional honeycomb panels used on board for soundproofing. The TL of the innovative solution is increased, and the thickness is decreased, while maintaining the cost and the weight in line with the traditional solution. Moreover, the regulations regarding fire safety on board are satisfied. Full article
(This article belongs to the Special Issue Innovative Material or Solutions for Marine Fields Applications)
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25 pages, 7958 KiB  
Article
High-Expansion Foam: A Risk Control Option to Increase Passenger Ship Safety during Flooding
by Dracos Vassalos, Donald Paterson, Francesco Mauro, George Atzampos, Peter Assinder and Adam Janicek
Appl. Sci. 2022, 12(10), 4949; https://doi.org/10.3390/app12104949 - 13 May 2022
Cited by 6 | Viewed by 1552
Abstract
In naval architecture, the standard way adopted to reduce the risk of potential loss of life for passenger ships after an accident is via regulations. In case of flooding, this explicitly implies the introduction of fixed watertight bulkheads, permanently modifying the internal ship’s [...] Read more.
In naval architecture, the standard way adopted to reduce the risk of potential loss of life for passenger ships after an accident is via regulations. In case of flooding, this explicitly implies the introduction of fixed watertight bulkheads, permanently modifying the internal ship’s layout. Damage stability regulations constantly aim at higher safety standards; therefore, the layout reconfiguration of an existing vessel may be essential to meet new requirements, leading to higher costs for retrofitting. Furthermore, increasing fragmentation of the internal layout has a physical limit, neglecting the possibility to elevate standards above a particular upper limit. In this view, innovative solutions give the chance to exceed such a limit. The present work describes the advantages of high-expansion foam application for passive and active protection from flooding events. The possibility to have a material granting sufficient water tightness allows installing fixed or deployable barriers that increase the safety level of the ship. Here, besides the description of the foam characteristics, the application on a reference passenger ship highlights the advantages of passive and active foam barriers to limit flooding and drastically reduce the risk of loss of lives. The changes in the limiting stability margins required by regulations and the analysis of dynamic flooding simulations for specific damage cases demonstrate the benefits of foam installation onboard passenger ships as a risk control option. Full article
(This article belongs to the Special Issue Innovative Material or Solutions for Marine Fields Applications)
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