优化可持续航运的加油和航行策略:降低成本和碳排放的决策模型

IF 4.5 3区 管理学 Q1 OPERATIONS RESEARCH & MANAGEMENT SCIENCE
Wei Wang, Haoqing Wang, King-Wah Pang, Lu Zhen, Shuaian Wang
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引用次数: 0

摘要

燃油成本是航运业运营费用中最大的一部分,直接影响着经济效率和环境影响。根据可持续发展目标(sdg) 12和13,本研究开发了一个决策模型,共同优化班轮运输中的加油和航行速度,以最大限度地降低燃料成本并减少碳排放。该模型明确地包含了加油过程中经常被忽视的两个方面:加油前对空油箱的要求和燃料检查过程。由于存在无限维和非线性项,求解模型在计算上具有挑战性。为了解决这种复杂性,我们采用近似算法和线性化技术将模型转换为混合整数线性规划(MILP)公式。此外,我们还实现了分支切断算法,以提高计算效率。通过数值实验对模型的性能进行了评价,并对关键参数的影响进行了敏感性分析。结果表明,空舱要求和燃油检查对加油决策和航行策略都有显著影响,其中后者的影响更为显著。此外,我们的研究结果强调了可持续燃料管理实践在减少海上运输碳排放方面的潜力。本研究为寻求在航运运营中平衡成本效率和环境可持续性的政策制定者和行业利益相关者提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Optimizing bunkering and sailing strategies for sustainable shipping: a decision model for reducing costs and carbon emissions

Optimizing bunkering and sailing strategies for sustainable shipping: a decision model for reducing costs and carbon emissions

Optimizing bunkering and sailing strategies for sustainable shipping: a decision model for reducing costs and carbon emissions

Bunkering costs constitute the largest portion of operational expenses in the shipping industry, directly influencing both economic efficiency and environmental impact. In line with Sustainable Development Goals (SDGs) 12 and 13, this study develops a decision model that jointly optimizes bunkering and sailing speed in liner shipping, with the aim of minimizing fuel costs and reducing carbon emissions. The model explicitly incorporates two often-overlooked aspects of the bunkering process: the requirement for empty tanks before refueling and the fuel inspection process. Due to the presence of infinite-dimensional and nonlinear terms, solving the model is computationally challenging. To address this complexity, we employ approximation algorithms and linearization techniques to transform the model into a mixed-integer linear programming (MILP) formulation. Additionally, we implement a Branch-and-Cut algorithm to enhance computational efficiency. Numerical experiments are conducted to evaluate the model’s performance, along with sensitivity analyses to assess the impact of key parameters. The results demonstrate that both the empty tank requirement and fuel inspection significantly influence bunkering decisions and sailing strategies, with the latter having a more pronounced effect. Moreover, our findings highlight the potential for sustainable fuel management practices to contribute to carbon reduction in maritime transportation. This study provides valuable insights for policymakers and industry stakeholders seeking to balance cost efficiency and environmental sustainability in shipping operations.

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来源期刊
Annals of Operations Research
Annals of Operations Research 管理科学-运筹学与管理科学
CiteScore
7.90
自引率
16.70%
发文量
596
审稿时长
8.4 months
期刊介绍: The Annals of Operations Research publishes peer-reviewed original articles dealing with key aspects of operations research, including theory, practice, and computation. The journal publishes full-length research articles, short notes, expositions and surveys, reports on computational studies, and case studies that present new and innovative practical applications. In addition to regular issues, the journal publishes periodic special volumes that focus on defined fields of operations research, ranging from the highly theoretical to the algorithmic and the applied. These volumes have one or more Guest Editors who are responsible for collecting the papers and overseeing the refereeing process.
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