Results 91 to 100 of about 2,987,028 (339)

Development of Ship Wave Design Information

open access: yesCoastal Engineering 1984, 1984
During the last three decades several field and laboratory investigations have been conducted in which the waves generated by a wide variety of vessels have been measured. There is a need to synthesize the data published from these studies and to develop general ship wave prediction methods for designers. To complete this task some additional ship wave
Robert M. Sorensen, J. Richard Weggel
openaire   +2 more sources

The spread of non‐native species

open access: yesBiological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock   +16 more
wiley   +1 more source

Automatic waterline registration of a ship model in waves [PDF]

open access: yes, 2013
C
Delefortrie, Guillaume   +3 more
core   +1 more source

The influence of rivers on seabird foraging ecology

open access: yesBiological Reviews, EarlyView.
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais   +2 more
wiley   +1 more source

Model propulsion tests in head and following waves of a bulk carrier

open access: yesApplied Ocean Research
The results of self-propulsion measurements in calm water and regular head and following waves, under different propeller loading conditions, are presented.
Sverre Steen   +2 more
doaj   +1 more source

Auswirkungen von Schiffswellen auf die Stabilität von Uferböden – Ein neues Messsystem zur Quantifizierung von Spannungen im Wasser und dem gesättigten Boden

open access: yesDie Bodenkultur, 2019
Bei der Renaturierung von Flüssen und dem Rückbau von befestigten Uferanlagen müssen neben ökologischen Aspekten auch die Uferstabilitäten berücksichtigt werden.
Riggert Roland   +3 more
doaj   +1 more source

The prediction of wake wash in the towing tank [PDF]

open access: yes, 2008
The wash or ship-generated waves from high speed craft has become a common subject in research and development of marine transportation. Since some time now the wake wash of high speed craft has become a problem in particular on inland or confined ...
Abdul Ghani, Mohamad Pauzi   +1 more
core  

MOORED SHIP RESPONSE IN IRREGULAR WAVES

open access: yesCoastal Engineering Proceedings, 1982
The traditional concept of representing a "random" sea state by just a variance spectral density has been found to be insufficient for modelling the slow drift oscillations of large moored ships. This paper illustrates, through experimental investigations, the importance of including wave grouping as an additional design parameter.
E.P.D. Mansard, B.D. Pratte
openaire   +2 more sources

Advances in Triboelectric Nanogenerators With Rotating Structure

open access: yesCarbon Energy, EarlyView.
The rotating TENG has been widely studied for its superiorities of simple structure, high efficiency, and stable output. This review introduced the four different principles of rotating TENG and offered a thorough summary for performance and application research through three‐level classification. Importantly, the current existing problems, challenges,
Chuguo Zhang   +4 more
wiley   +1 more source

A non-linear finite element method on unstructured meshes for added resistance in waves [PDF]

open access: yes, 2018
In this work a finite element method is proposed to solve the problem of estimating the added resistance of a ship in waves in the time domain and using unstructured meshes.
García Espinosa, Julio   +1 more
core   +3 more sources

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