Queueing theory as an instrument of optimization operational and economic sphere of port terminals - case study

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-09-30 DOI:10.17270/j.log.2022.745

A. Grzelakowski, A. Karas

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Abstract

. Background: The maritime port terminals, handling cargo and servicing maritime and land means of transport with variable intensity over time, operate as mass service systems where the process of notifying and fulfilling needs usually occur at random. The main research problem was to determine the interdependence between the mechanism of reporting and meeting the demand for terminal services and its effectiveness measured in terms of operational efficiency and profitability. Methods: The aim of research involves evaluating the terminal operational mechanism and evaluating it under operational categories, that is, operational stability and efficiency, and economic ones, i.e., effectiveness with respect to costs and revenue. To achieve the aim of research, the theory of mass service was applied, with the use of queuing theory as well as case study. The research was conducted in an example of bulk handling terminal, i.e. HES Gdynia Bulk Terminal. Results: In the article, the authors assumed that the bulk cargo handling terminal in Gdynia operates as a queueing model. Therefore, it was possible to analyse the operating mechanism of the selected port terminal as a logistics system and a link in the supply chain by characterising it in terms of technical and operational efficiency and economic and financial effectiveness. Conclusions: So far, such terminals have not the subject of this kind research, because researchers focused predominantly on seaports as composite multimodal transport nodes. The results of the conducted research confirm the previously formulated hypothesis, indicating that queueing theory can be used as an useful instrument to optimize the efficiency and effectiveness of bulk cargo terminals.

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排队理论在港口码头经营和经济领域优化中的应用——实例研究

．背景:海运港口码头在一段时间内以不同的强度装卸货物和为海运和陆运工具提供服务，作为大规模服务系统运作，其中通知和满足需求的过程通常是随机发生的。主要的研究问题是确定报告和满足终端服务需求的机制与以运营效率和盈利能力衡量的有效性之间的相互依存关系。方法:研究目的是对终端运行机制进行评价，从运营类别(即运营稳定性和效率)和经济类别(即成本和收益的有效性)两方面对终端运行机制进行评价。为了达到研究的目的，我们运用了大众服务理论，运用了排队理论和案例研究。该研究以hshgdynia散货码头为例进行。结果:在本文中，作者假设格丁尼亚散货装卸码头运行为排队模型。因此，有可能分析所选港口码头作为物流系统和供应链中的一个环节的运作机制，通过在技术和操作效率以及经济和财务有效性方面对其进行表征。结论:到目前为止，此类码头尚未成为此类研究的主题，因为研究人员主要关注海港作为复合多式联运节点。研究结果证实了先前提出的假设，表明排队理论可以作为一种有用的工具来优化散货码头的效率和效益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.