Results 51 to 60 of about 133 (108)

Energy‐Saving Optimization Design of Propeller Boss Cap Fin Based on BP Neural Network Coupled with Northern Goshawk Optimization Algorithm

open access: yesInternational Journal of Energy Research, Volume 2024, Issue 1, 2024.
Facing the escalating global energy demand and environmental pressures, efforts to enhance ship efficiency and reduce carbon emissions have become pivotal strategies in addressing energy challenges. This study focuses on optimizing propeller boss cap fin (PBCF), proposing a strategy that integrates a backpropagation neural network (BPNN) with an ...
Chunjin Li   +5 more
wiley   +1 more source

Hull form design for the fore-body of medium-sized passenger ship with gooseneck bulb

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2017
The recent IMO MEPC regulation on EEDI, EEOI and increased fuel cost has worsened the financial condition of the small and medium sized passenger ferry companies, and it is situated to acquire the economic ships with a pretty high resistance performance.
Jin-Won Yu, Young-Gill Lee
doaj   +1 more source

Goal setting of EEOI for chemical tankers by Monte Carlo simulation [PDF]

open access: yes, 2015
In accordance with the current regulations, the companies have to investigate the suitability of the applied operational measures; to assess the available solutions for the energy efficiency improvement of their fleet; and produce more suitable operational measures or revise their already applied measures.
Kurt, Ismail   +2 more
openaire   +1 more source

Improving the Efficiency of a High Speed Catamaran Through the Replacement of the Propulsion System [PDF]

open access: yesTransNav, 2015
The high speed vessels are primarily designed for short distances services as public transport of passengers and vehicles. The range of high speed, according to the Code of high-speed vessels begins at 20 knots, which depends on the cruise speed you ...
GermÁn de Melo Rodríguez   +2 more
doaj   +1 more source

On the influences of main engine parameters on EEDI evaluation for a bulk carrier

open access: yesAnnals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding, 2018
The objective of this study is to evaluate the influence of the different characteristics of some types of engines on the propulsion performances from the economic point of view and the impact on the Energy Efficiency Design Index (EEDI) and the Energy ...
Alexandra Diaconița, Liviu Crudu
doaj   +1 more source

Simulation study on the Influence of EEDI Requirements to Shiphandling in Heavy Weather [PDF]

open access: yesTransNav, 2019
In order to reduce the CO2 emission from ships, International Maritime Organization executes the restriction of Energy Efficiency Design Index (EEDI) which limits amount of CO2 when freight of one ton is carried at one mile.
Chihiro Nishizaki   +3 more
doaj   +1 more source

Energy Efficiency Operational Indicator Resilient, Ship Emissions under Control

open access: yesJournal of Marine Science and Engineering
Maritime transport is the most widely used means of transporting goods, and forecasts indicate that it will continue to grow in the coming years, which is why the IMO is regulating energy efficiency and emissions from maritime transport with exhaustive ...
Julio Barreiro Montes   +3 more
doaj   +1 more source

NUMERICAL SIMULATIONS OF ADDED RESISTANCE IN REGULAR HEAD WAVES ON A CONTAINER SHIP

open access: yesBrodogradnja, 2019
Although shipping was not included in the final text of the Paris Agreement in 2015, IMO (International Maritime Organization) adopted the EEDI (Energy Efficiency Design Index) and the EEOI (Energy Efficiency Operational Indicator) to control climate ...
Young-Gill Lee   +5 more
doaj   +1 more source

Analysis of the Energy Efficiency Operational Indicator in Economic and Ecological Aspect

open access: yesScientific Journal of Gdynia Maritime University, 2017
This article presents selected tools for improving and estimating vessel energy efficiency and analysis of energy efficiency operational indicator EEOI.
J. Wysocki
doaj  

Analysis and evaluation of fuel cell technologies for sustainable ship power: Energy efficiency and environmental impact

open access: yesEnergy Conversion and Management: X
Amid growing emphasis on achieving carbon neutrality, this study conducts a thorough assessment of different fuel cell technologies for their suitability as primary ship power sources.
Zhe Wang   +5 more
doaj   +1 more source

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