为提高船舶总能系统效率,降低EEOI值,建立船舶柴油机系统火用分析模型,对柴油机系统各设备火用效率和火用损率进行计算,并结合实船运转参数计算分析.结果表明,柴油机燃烧室的火用效率最低、火用损率最大,是影响船舶能效水平提高的关键.
Abstract
In order to improve the efficiency of the whole energy system of ship and reduce EEOI value, the paper established the exergy analysis model of ship’s main engine system, and calculate the efficiency and the loss rate of exergy. According to the calculation of the operating parameters of the real ship, the exergy efficiency of the diesel engine combustion chamber is the lowest, and its exergy loss rate is the highest,thus it is the key point to improve ship energy efficiency.
关键词
船舶 /
柴油机系统 /
火用分析 /
建模 /
能效营运指数(EEOI)
Key words
ship /
diesel engine system /
exergy analysis /
modelling /
energy efficiency operating index(EEOI)
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