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评估船舶电力推进系统的环境和经济影响：以客船为例。

Evaluation of the environmental and economic impacts of electric propulsion systems onboard ships: case study passenger vessel.

机构信息

Department of Marine Engineering, Faculty of Maritime Studies, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.

Department of Naval Architecture and Marine Engineering, Faculty of Engineering, Alexandria University, Alexandria, 21544, Egypt.

出版信息

Environ Sci Pollut Res Int. 2021 Jul;28(28):37851-37866. doi: 10.1007/s11356-021-13271-4. Epub 2021 Mar 15.

DOI:10.1007/s11356-021-13271-4
PMID:33723780
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7959586/
Abstract

The International Maritime Organization (IMO) announced that maritime transport share by 2.89% in global greenhouse gases. Electric propulsion system appears as a promising option for reducing ship emissions, especially for high-powered vessels. The aim of the current paper is to investigate the environmental and economic impact of using electric propulsion systems. Simple eco-environmental model was presented to assess the best propulsion system for passenger ships. A comparison between diesel electric (DE) and combined gas turbine electric and steam (COGES) propulsion systems is conducted. As a case study, one of the cruise ships is selected. The results showed specific environmental benefits of COGES over DE propulsion option. From the design and operational viewpoints, COGES propulsion system is more energy efficient than DE by 9.3% and 27.55%, respectively. Economically, the values of the life cycle costs are 5,013 and 6,042 $/kW for DE and COGES systems, respectively. Finally, COGES seems as a greener option with a life-cycle cost-effectiveness of 612, 1970, and 6 $/ton for NO, SO, and CO emissions, respectively.

摘要

国际海事组织（IMO）宣布，在全球温室气体中，海运运输占比为 2.89%。电动推进系统作为减少船舶排放的一种有前途的选择，特别是对于高功率船舶而言。本文的目的是研究使用电动推进系统的环境和经济影响。提出了简单的生态环境模型，以评估客船的最佳推进系统。对柴油电动（DE）和联合燃气轮机电动和蒸汽（COGES）推进系统进行了比较。作为案例研究，选择了一艘游轮。结果表明，COGES 推进系统比 DE 推进方案具有特定的环境效益。从设计和运行的角度来看，COGES 推进系统比 DE 分别节能 9.3%和 27.55%。从经济角度来看，DE 和 COGES 系统的生命周期成本分别为 5,013 和 6,042 美元/千瓦。最后，COGES 似乎是一种更环保的选择，其生命周期成本效益分别为 NO、SO 和 CO 排放的 612、1970 和 6 美元/吨。

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