Results 31 to 40 of about 276 (161)

Experimental Study on Estimation of Roll Damping for Various Midship Sections [PDF]

open access: yes한국해양공학회지, 2019
The magnitude of the roll motion of a floating structure depends on the roll damping acting on the body. In other words, the roll damping of a floating structure must be accurately obtained in order to precisely evaluate the roll motion.
Byeongwon Park   +5 more
doaj   +1 more source

Role of hydrodynamics in shaping chemical habitats and modulating the responses of coastal benthic systems to ocean global change

open access: yesGlobal Change Biology, Volume 28, Issue 12, Page 3812-3829, June 2022., 2022
The biological effects of ocean global change (in particular, ocean acidification, deoxygenation, and warming), on the performance of both engineer species and associated species are well established (black arrows). Engineer species shape their environment not only by their structure they form but also by physically and chemically altering their ...
Fanny Noisette   +4 more
wiley   +1 more source

Discrete Wavelet Transform‐based Approach of Real‐time Wave Filtering for Dynamic Positioning of Marine Vessels

open access: yesMathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
The ongoing development of deep‐sea resources has contributed toward the widespread use of dynamic positioning (DP) systems that can operate in arbitrary sea areas without the limitation of operating water depth compared to mooring systems. The second‐order slowly varying forces can be compensated by DP feedback control.
Changde Liu   +8 more
wiley   +1 more source

Analisa Penambahan Bilge Keel Terhadap Olah Gerak Pada Kapal High Speed Craft [PDF]

open access: yes, 2023
High Speed Craft (HSC) is a ship with high speed for civilian use. One type of HSC is a Crew Boat, a crew boat is a ship specifically used to carry supporting equipment in offshore drilling work such as personnel, fuel and others.
Anwar, Khirul
core  

Ecological vulnerability of the chondrichthyan fauna of southern Australia to the stressors of climate change, fishing and other anthropogenic hazards

open access: yesFish and Fisheries, Volume 22, Issue 5, Page 1105-1135, September 2021., 2021
Abstract We develop a potentially widely applicable framework for analysing the vulnerability, resilience risk and exposure of chondrichthyan species to all types of anthropogenic stressors in the marine environment. The approach combines the three components of widely applied vulnerability analysis (exposure, sensitivity and adaptability) (ESA) with ...
Terence I. Walker   +15 more
wiley   +1 more source

NUMERICAL AND EXPERIMENTAL CALCULATION OF ROLL AMPLITUDE EFFECT ON ROLL DAMPING

open access: yesBrodogradnja, 2019
Roll motion is still a challenging problem in naval architecture and an adequate prediction of this physical phenomenon is important because of its undesirable effects such as capsizing.
Burak Yıldız   +3 more
doaj   +1 more source

Theoretical investigation on the seakeeping performance of a supply vessel with X-bow

open access: yesAnnals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding, 2018
The X-bow concept was developed by Ulstein company, in order to increase the ship hydrodynamic performance. Low resistance, reduced fuel consumption, smoother motion and low acceleration levels are some of the hydrodynamics improvements.
Dan Obreja, Mădălina Dajbog
doaj   +1 more source

Analysis on Rolling Damping of a Conventional Boat fitted with T-shaped Bilge Keels

open access: yesMATEC Web of Conferences, 2018
This work presents a numerical study on the effect of T-shaped bilge keels on the roll damping of a conventional boat. A scaled boat model with the same dimensions as that of Irkal et al.
San Yam Ke   +4 more
doaj   +1 more source

ANALISIS PENGARUH BILGE KEEL TERHADAP GERAK ROLLING KAPAL FERRY RO-RO DENGAN MENGGUNAKAN METODE STRIP-THEORY

open access: yes, 2023
Ships are a mode of transportation that is often used by the community as a link between the islands. People generally use the ferry as a mode of crossing in addition to the economical price but also comfort is still preferred.
Ahmad Yasim   +7 more
core   +2 more sources

Numerical analysis of viscous effect on ship rolling motions based on CFD

open access: yesZhongguo Jianchuan Yanjiu, 2017
During the ship design procedure, the analysis of ship rolling motions is of great significance because the rolling motions have extraordinary effects on the sea-keeping, maneuverability and stability of a ship.
LUO Tian, WAN Decheng
doaj   +1 more source

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