Results 31 to 40 of about 124 (99)

EEXI compliance and CII performance in existing container ships: Implications for propeller retrofit

Applied Ocean Research
This study assessed the EEXI, CII implementation and propeller retrofits as the decarbonization measures for existing container ships, focusing on actual CO₂ emissions reduction.
Sang-Su Lee
doaj   +1 more source

Lifecycle Emissions, Regulatory Compliance, and Cost Competitiveness of Ethanol as a Marine Fuel Retrofit Candidate

Journal of Marine Science and Engineering
Bioethanol is evaluated as a retrofit marine fuel candidate through a comparative assessment against liquefied natural gas (LNG) and methanol (MeOH) under the Energy Efficiency Existing Ship Index (EEXI), Carbon Intensity Indicator (CII), and Greenhouse ...
Onur Yuksel, Murat Bayraktar, Oguzhan Der, Eduardo Blanco-Davis, Luis Alfonso Díaz-Secades, Jonas W. Ringsberg, Carlos Guedes-Soares   +6 more
doaj   +1 more source

CFD-Powered Ship Trim Optimization: Integrating ANN for User-Friendly Software Tool Development

Journal of Marine Science and Engineering
This study presents a comprehensive approach to trim optimization as an energy efficiency improvement measure, focusing on reducing fuel consumption for one RO-RO car carrier.
Matija Vasilev, Milan Kalajdžić, Ines Ivković   +2 more
doaj   +1 more source

Development of Representative Sailing Mode Construction Methodology Using Markov Chain

Journal of Marine Science and Engineering
The strengthening of regulations such as EEXI, EEDI, and CII on ship emissions is underway. Despite their application, objective comparisons of ships are hindered by diverse navigation patterns and varying velocity regulations in different seas and ports.
Changjae Moon, Sanghun Jeong, Giltae Roh, Kido Park   +3 more
doaj   +1 more source

Environmental economic analysis of speed reduction measure onboard container ships. [PDF]

Environ Sci Pollut Res Int, 2023
Elkafas AG, Rivarolo M, Massardo AF.
europepmc   +1 more source

Multi-Branch Artificial Neural Network-Based Decomposition of Ship’s Added Resistance Using On-Board Measured Data

IEEE Access
Prediction and management of ship resistance in realistic sea conditions can play a significant role in reducing fuel consumption and carbon emissions. It usually relies on physical model testing and empirical formulas, both facing limitations in early ...
Nur Assani, Ante Calic, Petar Matic, Marko Katalinic   +3 more
doaj   +1 more source

Green Technologies for Environmental Air and Water Impact Reduction in Ships: A Systematic Literature Review

Journal of Marine Science and Engineering
This study reviews various green technological strategies integrated into vessels to mitigate environmental impact, focusing on atmospheric pollution and marine environment protection.
Edwin Paipa-Sanabria, Daniel González-Montoya, Jairo R. Coronado-Hernández   +2 more
doaj   +1 more source

Performance Analysis Based on Fuel Valve Train Control Optimization of Ammonia-Fuel Ships

Energies
In order to reduce carbon emissions, which are currently a problem in the shipping and offshore plant sectors, the international community is strengthening regulations such as the Energy Efficiency Design Index (EEDI) and Energy Efficiency Existing Ship ...
Lim Seungtaek, Lee Hosaeng, Seo Youngkyun   +2 more
doaj   +1 more source

Carbon Regulations and Second-Hand Ship Prices: An Empirical Analysis of Emission Intensity Effects

Systems
This study analyzes the econometric correlation between resale prices and CO2 emissions of 832 bulk carriers sold from 2018 to 2025. It uses a cross-sectional hedonic pricing model to look at how environmental performance affects the value of sub-types ...
Ersin Acikgoz, Gulden Oner
doaj   +1 more source

Energy efficiency technologies for waterborne transport: A systematic review and taxonomy pathway

Energy Strategy Reviews
Increasing pressure is being placed on maritime transport to reduce energy demand and greenhouse gas emissions within a multi-level regulatory environment.
Johans Jacobo-Jara, Mehdi Zadeh, Li Chin Law, Dong Trong Nguyen   +3 more
doaj   +1 more source