Results 21 to 30 of about 16,186 (314)

Manoeuvrability of a Large Cruise Ship after Damage for Safe Return to Port

open access: yesJournal of Marine Science and Engineering, 2020
Free-running model tests were conducted using a scaled model of a large cruise ship with a damaged compartment, to investigate the effects of damage opening and floodwater on the manoeuvring performance in calm water and regular and irregular head waves.
Tetsuhiro Yuura   +2 more
doaj   +1 more source

Modelling of the unmanned aerial vehicles flight control system

open access: yesAviation, 2021
The article is an independent work containing the author’s ingenious research methodology and the model of the control system of Unmanned Aerial Vehicles. Furthermore a unique and world first mathematical model of an Unmanned Aerial Vehicle was developed,
Mirosław Adamski
doaj   +1 more source

A GNSS-based method to define athlete manoeuvrability in field-based team sports

open access: yesPLoS ONE, 2021
This study presented a method of quantifying the manoeuvrability of two field-based team sport athletes and investigated its relationship with running velocity during competition.
Grant Malcolm Duthie   +2 more
doaj   +2 more sources

Wind prevents cliff-breeding birds from accessing nests through loss of flight control

open access: yeseLife, 2019
For fast-flying birds, the ability to respond to wind during landing is critical, as errors can lead to injury or even death. Nonetheless, landing ability, and its ecological significance, remain unstudied.
Emily Shepard   +4 more
doaj   +1 more source

Study on the Manoeuvring Performance of a Fishing Vessel Based on CFD Simulation of the Hull Forms and Rudder Shapes

open access: yes한국해양공학회지, 2023
To evaluate manoeuvring performance of merchant ships, the mathematical modeling group (MMG) or computational fluid dynamics (CFD) simulations are used.
Hyeonsil Choi   +3 more
doaj   +1 more source

Random patterns in fish schooling enhance alertness: a hydrodynamic perspective [PDF]

open access: yes, 2016
One of the most highly debated questions in the field of animal swarming and social behaviour, is the collective random patterns and chaotic behaviour formed by some animal species, in particular if there is a danger.
Brümmer, Franz   +2 more
core   +2 more sources

Nonlinear URANS model for evaluating course keeping and turning capabilities of a vessel with propulsion system failure in waves

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2022
The loss of ship propulsion has been reported to be the most frequent cause of accidents at sea over the last few years. The loss of propulsive power has a notable effect on the behaviour of a ship during ship manoeuvring, and hence the manoeuvrability ...
Daejeong Kim   +4 more
doaj   +1 more source

Experimental studies on seakeeping and maneuverability of ships in adverse weather conditions [PDF]

open access: yes, 2017
The introduction of the energy efficiency design index (EEDI), which is applicable for various types of new-built ships after January 1,2013, raised concerns regarding the sufficiency of propulsion power and steering devices to maintain maneuverability ...
Cura-Hochbaum, Andrés   +6 more
core   +1 more source

Research on the methods for calculating the width of the approach channel to the port

open access: yesTransport, 2019
An approach channel to the port is a very important part of port infrastructure ensuring navigational safety of the ships entering and departing the port.
Vytautas Paulauskas   +6 more
doaj   +1 more source

Investigation of Asymmetric Twin-Rudder Load Behaviour Through Free-Running Model Tests

open access: yesPolish Maritime Research, 2023
During tight manoeuvres, twin-screw ships equipped with two rudders located in the propeller slip stream experience a fairly large imbalance in the hydrodynamic loads on the propeller and rudders.
Efremov Dobrin, Milanov Evgeni
doaj   +1 more source

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