Assessing the potential of hybrid energy technology to reduce exhaust emissions from global shipping

被引:126
作者
Dedes, Eleftherios K. [1 ]
Hudson, Dominic A. [1 ]
Turnock, Stephen R. [1 ]
机构
[1] Univ Southampton, Sch Engn Sci, Fluid Struct Interact Res Grp, Southampton S017 1BJ, Hants, England
关键词
Hybrid electric propulsion for ships; Emission reduction; Fuel consumption reduction; STORAGE; CELLS;
D O I
10.1016/j.enpol.2011.09.046
中图分类号
F [经济];
学科分类号
020101 [政治经济学];
摘要
The combination of a prime mover and an energy storage device for reduction of fuel consumption has successfully been used in automotive industry. The shipping industry has utilised this for conventional submarines. The potential of a load levelling strategy through use of a hybrid battery-diesel-electric propulsion system is investigated. The goal is to reduce exhaust gas emissions by reducing fuel oil consumption through consideration of a re-engineered ship propulsion system. This work is based on operational data for a shipping fleet containing all types of bulk carriers. The engine loading and the energy requirements are calculated, and sizing of suitable propulsion and the battery storage system are proposed. The changes in overall emissions are estimated and the potential for fuel savings identified. The efficiency of the system depends on the storage medium type, the availability of energy and the displacement characteristics of the examined vessels. These results for the global fleet indicate that savings depending on storage system, vessel condition and vessel type could be up to 0.32 million tonnes in NOx, 0.07 million tonnes in SOx, and 4.1 million tonnes in CO2. These represent a maximum 14% of reduction in dry bulk sector and 1.8% of world's fleet emissions. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:204 / 218
页数:15
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