Results 11 to 20 of about 28,435 (103)

Calculation of vaulted magnetic field above ship using equivalent surface magnetic charge

open access: yesZhongguo Jianchuan Yanjiu, 2022
Objectives In order to obtain the plane magnetic field data at different heights above a ship and solve the problem of calculating the plane magnetic field from the vaulted magnetic field above the ship, this paper proposes a method for calculating the ...
Wenchun ZHAO   +3 more
doaj   +1 more source

Transfer Function for a Controllable Pitch Propeller with Added Water Mass

open access: yesPolish Maritime Research, 2023
The relevance of this study lies in the fact that it presents a mathematical model of the dynamics of the propulsion system of a ship that takes into consideration the mass of water added to it.
Leshchev Volodimir   +3 more
doaj   +1 more source

Path planning method for unmanned surface vehicle with controllable distance from obstacles

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectivesIn order to solve the problems of safety and smoothness in the path planning of an unmanned surface vehicle (USV), a path planning method with a controllable distance from obstacles is proposed.MethodsFirst, the raster environment information ...
Bing YANG   +4 more
doaj   +1 more source

ROV attitude control based on multi-motor cooperative propulsion

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectiveIn order to improve the attitude control performance of a remote operated vehicle (ROV) in complex underwater environments, the attitude control of ROV with multi-motor coordinated propulsion is studied.
Yang WANG   +3 more
doaj   +1 more source

Dynamic simulation of ship fender structure anti-collision

open access: yesZhongguo Jianchuan Yanjiu, 2022
Objectives This study aims to investigate the dynamic coupling effect of "hull-fender-dock" during ship berthing.MethodsUsing the nonlinear finite element method, a port side and fender structure finite element model is established to simulate the ...
Yi HU   +4 more
doaj   +1 more source

UEG Week 2024 Moderated Posters [PDF]

open access: yesUnited European Gastroenterol J
United European Gastroenterology Journal, Volume 12, Issue S8, Page 201-664, October 2024.
europepmc   +2 more sources

High Quality Multi-Zone and 3D CFD Model of Combustion in Marine Diesel Engine Cylinder

open access: yesPolish Maritime Research, 2023
The paper presents a 3D model of the processes taking place in the cylinder of a large 4-stroke marine engine. The model is based on CFD calculations performed on the moving mesh. The modelling range includes the full duty cycle (720° crankshaft position)
Cuper-Przybylska Dominika   +3 more
doaj   +1 more source

Guided Waves in Ship Structural Health Monitoring – A Feasibility Study

open access: yesPolish Maritime Research, 2023
Ships and offshore structures operate in a severe corrosion degradation environment and face difficulty in providing long-lasting corrosion protection. The Classification Societies recommend regular thickness measurements leading to structural component ...
Roch Emil   +3 more
doaj   +1 more source

Energy Management Strategy Considering Energy Storage System Degradation for Hydrogen Fuel Cell Ship

open access: yesPolish Maritime Research, 2023
A hybrid energy system (HES) including hydrogen fuel cell systems (FCS) and a lithium-ion (Li-ion) battery energy storage system (ESS) is established for hydrogen fuel cell ships to follow fast load transients.
Cao Wei   +3 more
doaj   +1 more source

Image Processing Method for Cargo Container Identification in a Stack Within the Cargo Temperature Control and Fire Safety System on Container Ships

open access: yesPolish Maritime Research, 2023
The current research is focused on the identification of cargo containers in a stack from their images in the infrared and visible spectra, in order to locate the container-origin of ignition within the cargo temperature control and fire safety system ...
Konon Vladyslav
doaj   +1 more source

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