Results 41 to 50 of about 241,187 (359)

Rapid battery cost declines accelerate the prospects of all-electric interregional container shipping

open access: yesNature Energy, 2022
International maritime shipping—powered by heavy fuel oil—is a major contributor to global CO 2 , SO 2, and NO x emissions. The direct electrification of maritime vessels has been underexplored as a low-emission option despite its considerable efficiency
Jessica Kersey   +2 more
semanticscholar   +1 more source

Rolling Bearing Fault Diagnosis Under Different Severity Based on Statistics Detection Index and Canonical Discriminant Analysis

open access: yesIEEE Access, 2023
Bearing failures are the most frequent causes of breakdowns in rotating machinery. Different levels of severity in these failures exhibit distinct fault characteristics in the vibration signal.
Xuewei Song   +4 more
doaj   +1 more source

Ships and Shipping [PDF]

open access: yesNature, 1905
A VERY excellent little volume and a most handy addition to any shipping office. The naval information makes it also a very useful book to naval officers. One slight improvement would be useful—port-to-port distances round the coast of Great Britain and Europe; for example, London to Plymouth. Ships and Shipping. By Commander R. Dowling. With a preface
openaire   +1 more source

Uncertainties in Liner Shipping and Ship Schedule Recovery: A State-of-the-Art Review

open access: yesJournal of Marine Science and Engineering, 2022
Each shipping line is expected to establish a reliable operating model, and the design of ship schedules is a key operational consideration. Long-term profits for shipping lines can be expected from a well-designed ship schedule. In today’s liner service
Zeinab Elmi   +6 more
semanticscholar   +1 more source

An Optimized Path Planning Method for Container Ships in Bohai Bay Based on Improved Deep Q-Learning

open access: yesIEEE Access, 2023
In response to the limitations of the DQN algorithm in adaptability, which result in a low success rate in ship path planning, this paper introduces an improved algorithm based on Deep Q-learning (DQN) to enhance path planning.
Xuanyu Gao, Yitao Dong, Yi Han
doaj   +1 more source

How to decarbonise international shipping: Options for fuels, technologies and policies

open access: yesEnergy Conversion and Management, 2019
International shipping provides 80–90% of global trade, but strict environmental regulations around NO X , SO X and greenhouse gas (GHG) emissions are set to cause major technological shifts.
P. Balcombe   +6 more
semanticscholar   +1 more source

Global reduction in ship-tracks from sulfur regulations for shipping fuel [PDF]

open access: yesScience Advances, 2022
Ship-tracks are produced by ship-emitted aerosols interacting with low clouds. Here, we apply deep learning models on satellite data to produce the first global climatology map of ship-tracks.
T. Yuan   +9 more
semanticscholar   +1 more source

Comparative perspectives on the development of canadian arctic shipping : impacts of climate change and globalization

open access: yes, 2023
Climate change does impact sea ice, with a significant reduction of its extent and thickness. Climate change thus facilitates navigation, without making it easier, and indeed has contributed to the expansion of traffic in the Canadian Arctic, with a ...
Lasserre, Frédéric
core   +1 more source

Sustainable Maritime Transport: A Review of Intelligent Shipping Technology and Green Port Construction Applications

open access: yesJournal of Marine Science and Engineering
With the global economy’s relentless growth and heightened environmental consciousness, sustainable maritime transport emerges as a pivotal development trajectory for the shipping sector.
Guangnian Xiao   +4 more
semanticscholar   +1 more source

newzealandpaul/Shipping-Lanes: First Release

open access: yes, 2022
The first release of shipping lane / route ...
Paul
core   +1 more source

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