Results 21 to 30 of about 748,317 (301)

Narrative of Chain cruise #17, phase I : St. George, Bermuda, to Freetown, Sierra Leone, 19 February - 22 March 1961 [PDF]

open access: yes, 1964
The journal of a cruise of R/V CHAIN from Bermuda to Freetown, Sierra Leone during February and March, 1961, is the basis of this report. Location of observations are given.
Bunce, Elizabeth T., Voorhis, Arthur D.
core   +1 more source

Visual Direction Indication for Ships [PDF]

open access: yesJournal of Navigation, 1967
There is no doubt that everyone is agreed that a combination of visual and sound signals are a necessity, but, in view of the large disparity in the speeds of light and sound, the method of achieving this has not really been agreed upon, although a few countries supported the system of synchronizing the light and sound signals, thus bringing about the ...
openaire   +1 more source

On the longitudinal motion of a thin ship travelling with constant forward speed in deep sea

open access: yesVietnam Journal of Mechanics, 1993
In this paper, the problem of the longitudinal motion of a thin ship with a constant forward speed and direction parallel to wave direction is solved by using Fourier transform and expanding the velocity potential in Fourier integral on Eigen functions.
Nguyen Tien Dat
doaj   +1 more source

Study of the Far Wake of a Large Ship [PDF]

open access: yes, 2011
A large dataset of high-resolution photographic images of far wakes of a volunteer observing ship (Royal Caribbean’s Explorer of the Seas) has been acquired under various meteorological conditions and ship operation modes.
Gilman, M.   +2 more
core   +2 more sources

Comparative Voyage-Based Evaluation of Yacht Transfer by Self-Sailing and Cargo Vessel Shipment – A Pilot Study

open access: yesPromet (Zagreb), 2021
The seasonal domestic yacht traffic direction in Turkey from the Marmara Sea and South coasts of Turkey at the beginning of the Summer and opposite direction at the end of the Summer or beginning of the Autumn.
Duygu Ülker, Birsen Koldemir
doaj   +1 more source

Minimal-Time Ship Routing [PDF]

open access: yes, 1964
A recently theory of minimal-time ship routing through time-dependent ocean wave height and direction fields is put to a numerical test by using a series of semidaily analyses furnished by the U.S. Navy Fleet Numerical Weather Facility.
Bleick, V. E., Faulkner, F. D.
core   +3 more sources

Observation of surface wave patterns modified by sub-surface shear currents [PDF]

open access: yes, 2019
We report experimental observations of two canonical surface wave patterns --- ship waves and ring waves --- skewed by sub-surface shear, thus confirming effects predicted by recent theory.
Ellingsen, Simen Å.   +2 more
core   +2 more sources

Visual Indication of Direction for Ships [PDF]

open access: yesJournal of Navigation, 1966
I was very interested in the recent correspondence regarding a direction indicator to be fitted to ships and while I note the experiments now being carried out by our Dutch friends there are several points which must be borne in mind.In the first place, whilst sophisticated arrangements like illuminated arrows may be very satisfactory from the ...
openaire   +1 more source

TKP-Net: A Three Keypoint Detection Network for Ships Using SAR Imagery

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Remote-sensing ship monitoring is a crucial area of research with key applications in military and civilian fields. The ability to extract information, such as ship length, width, and heading from remote-sensing data, particularly from synthetic aperture
Xiunan Li   +7 more
doaj   +1 more source

Maritime rights, obligations, and liabilities of intelligent ships from the perspective of risk distribution

open access: yesJournal of International Maritime Safety, Environmental Affairs, and Shipping, 2023
The technical energy and economic benefits contained in ship intelligence will drive the maritime industry to continue to develop in this direction. In this process, intelligent ship activities will pose challenges to existing maritime law, and existing ...
Linlin Chen
doaj   +1 more source

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