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Wenbo Zhao, Dezhi Wang, Kai Gao, Jiani Wu and Xinghua Cheng
Approximating the positions of vessels near underwater devices, such as unmanned underwater vehicles and autonomous underwater vehicles, is crucial for many underwater operations. However, long-term monitoring of vessel trajectories is challenging due to...
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Pawel Klis, Shuaishuai Wang and Yihan Xing
This study analyses the technical and economic aspects of a novel subsea freight glider (SFG). The SFG is an excellent replacement for tanker ships and submarine pipelines transporting liquefied CO2. The main aim of the SFG is to ship CO2 from an offshor...
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Chao Xie, Lan Wang, Ning Yang, Casey Agee, Ming Chen, Jinrong Zheng, Jun Liu, Yuxiang Chen, Lixin Xu, Zhiguo Qu, Shaoming Yao, Liquan Wang and Zongheng Chen
This paper proposed a compact design of the subsea cobalt-rich crust mining vehicle with a general purpose support vessel for subsea resource exploration, sample collection, and research. The necessary functions were considered in the concept design, inc...
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Chenyang Zhu, Tomaso Gaggero, Nicholas C. Makris and Purnima Ratilal
The time-dependent spectral characteristics of underwater sound radiated by an ocean vessel has complex dependencies on ship machinery, propeller dynamics, hydrodynamics of ship exhaust and motion, as well as ship board activities. Here the underwater so...
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Gavin James Lowes, Jeffrey Neasham, Richie Burnett, Benjamin Sherlock and Charalampos Tsimenidis
This paper presents the development of a low-energy passive acoustic vessel detector to work as part of a wireless underwater monitoring network. The vessel detection method is based on a low-energy implementation of Detection of Envelope Modulation On N...
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Batuhan Aktas, Naz Yilmaz, Mehmet Atlar, Noriyuki Sasaki, Patrick Fitzsimmons and David Taylor
This study aims to demonstrate the merits of pressure-relieving holes at the tip region of propellers, which is introduced as ?PressurePoresTM? technology as a retrofit on marine propellers to mitigate tip vortex cavitation noise for a quieter propeller....
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Eun-Young Park and Jungho Choi
Air-independent propulsion systems have improved the performance and decreased the vulnerability of underwater weapon systems. Reforming systems, however, generates large amounts of water and CO2. The recovery or separation of CO2, a residual gas compone...
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Volodymyr Blintsov,Kostiantyn Trunin
Pág. 56 - 66
A mathematical model (MM) has been developed to describe the dynamics of the MTS EL element using an underwater towed system (UTS) as an example, as well as the MM of MTS with EL.The MM of the EL element dynamics makes it possible to take into considerat...
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Alessia Meschini, Alessandro Ridolfi, Jonathan Gelli, Marco Pagliai and Andrea Rindi
This paper describes design methods for the plastic hull of an Unmanned Underwater Vehicle (UUV), with a particular focus on its cylindrical body and nearly spherical domes at the ends. With the proposed approach, the methodologies reported in the litera...
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Maria Angeliki Chatzigiannakou, Irina Dolguntseva and Mats Leijon
Since 2008, Seabased Industry AB (SIAB) has manufactured and deployed several units of wave energy converters (WECs) of different design. The WECs are linear generators with point absorber buoy systems that are placed on the seabed, mounted on a gravitat...
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