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Xuepeng Liu, Shiping He and Jianhua Zheng
Deep-sea pressure vessels are specialized pressure vessels designed for automatic deployment from underwater to the surface. These vessels find extensive applications in underwater life-saving and transportation. Their interiors are furnished with a pair...
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Zdenek Padovec,Dominik Vondrácek,Tomá? Mare?
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Shane Haladuick and Markus R. Dann
For engineering systems, decision analysis can be used to determine the optimal decision from a set of options via utility maximization. Applied to inspection and maintenance planning, decision analysis can determine the best inspection and maintenance p...
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Shane Haladuick and Markus R. Dann
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?ilvinas Bazaras, Mindaugas Leonavicius, Vaidas Luko?evicius and Laurencas Raslavicius
The article deals with the determination of the resistance to cyclic loading of the threaded joints of pressure vessels and defective elements according to the failure mechanics criteria. Theoretical and experimental studies do not provide a sufficient b...
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Mohammed Lahlou, Nadia Mouhib, Hanaa Ouaomar, Abdelilah Hachim, Mohamed Elghorba
Pág. 233 - 237
In metallic structures, cracks are mostly initiated at geometric discontinuities of notches or defects. The geometric parameters and discontinuities govern cracks initiation or propagation and therefore affect the resistance of structures during their us...
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Mohammad Zamani Nejad, Mehdi Jabbari, Mehdi Ghannad
Pág. 65 - 73
Using multi-layers method (MLM), a semi-analytical solution have been derived for determination of displacements and stresses in a thick cylindrical shell with variable thickness under non-uniform pressure. Three different profiles (convex, linear and co...
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Pawel Gasior, Karol Wachtarczyk, Aleksander Blachut, Jerzy Kaleta, Neha Yadav, Marcin Ozga and Amelie Baron
The proposed assessing method can find an application for the non-destructive evaluation of PE liners at the beginning of the manufacturing chain of high-pressure composite vessels for hydrogen storage. It can be a low-cost method supporting visual inspe...
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Qing Ye, Yongpeng Ou, Guo Xiang and Junjie Chen
Over the years, air lubrication technology has been widely applied to maritime vessels, demonstrating its significant energy-saving and emission-reducing effects. However, the application of this technology in inland waterway transportation faces unique ...
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Jung Min Sohn, Spyros Hirdaris, Jani Romanoff and Sang Jin Kim
Submarine hulls are pressure vessels for which excellent structural integrity under underwater pressure loads is essential. The use of light-weight materials contributes to reduced fuel consumption, improved speed, and increased payload while strength pr...
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Inno Gatin, Juvel Cokic, Darjan Romic and Jo?ko Parunov
Submersible vessels designed to operate at low speeds are often designed with an intricate exostructure, as well as other elements that are located outside of the main pressure hull. Exostructure elements are often of cylindrical or rectangular shape, po...
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Yongsheng Li, Changli Yu, Weibo Wang, Hongyun Li and Xu Jiang
With the increasing application and study of lightweight and high strength fiber reinforced polymer composites in ocean industry, the structural failure problem of composite pressure hulls has attracted great attention from many researchers in China and ...
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Akram Farhadi, Joshua J. Chern, Daniel Hirsh, Tod Davis, Mingyoung Jo, Frederick Maier and Khaled Rasheed
Increased Intracranial Pressure (ICP) is a serious and often life-threatening condition. If the increased pressure pushes on critical brain structures and blood vessels, it can lead to serious permanent problems or even death. In this study, we propose a...
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Madhumithra Subramanian Karthikesh, Sa Wu, Rohit Singh, Yannis Paulus, Xueding Wang and Xinmai Yang
Several studies have investigated the effect of photo-mediated ultrasound therapy (PUT) on the treatment of neovascularization. This study explores the impact of PUT on the release of the vasoactive agents nitric oxide (NO) and prostacyclin (PGI2) from t...
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Satoshi Matsuda and Tokihiro Katsui
The Reynolds-averaged Navier?Stokes (RANS)-based computational fluid dynamics (CFD) calculation using a two-equation turbulence model, such as the k?omega shear-stress transport (SST) model, is a mainstream method with sufficient accuracy for the estimat...
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Dominic Lagrois, Tyler R. Bonnell, Ankita Shukla and Clément Chion
Agent-based models return spatiotemporal information used to process time series of specific parameters for specific individuals called ?agents?. For complex, advanced and detailed models, this typically comes at the expense of high computing times and r...
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Konstantinos Milioulis, Victor Bolbot and Gerasimos Theotokatos
Recent regulatory requirements for shipping emissions control have led to the adoption of Liquefied Natural Gas (LNG) as a marine fuel and the design of LNG-fuelled vessels. Considering the potential safety implications due to system failure/unavailabili...
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Jessica J. Sportelli, Kelly M. Heimann and Brittany L. Jones
Bottlenose dolphins (Tursiops truncatus) rely on frequency- and amplitude-modulated whistles to communicate, and noise exposure can inhibit the success of acoustic communication through masking or causing behavioral changes in the animal. At the US Navy ...
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Mitchell G. Borg, Claire DeMarco Muscat-Fenech, Tahsin Tezdogan, Tonio Sant, Simon Mizzi and Yigit Kemal Demirel
Conventional liquefied natural gas (LNG) cargo vessels are imposed with tank-fill limitations as precautions to prevent structural damage and stability-loss due to high-impact sloshing, enforcing cargo volume-fills to be lower than 10% or higher than 70%...
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Hüseyin Özkan Sertlek
The national measures in several European countries during the COVID-19 pandemic also affected offshore human activities, including shipping. In this work, the temporal and spatial variations of shipping sound are calculated for the years before and duri...
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