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题名: NOx emission calculations for bulk carriers by using engine power probabilities as weighting factors
作者: Chih-Wen Cheng
Jian Hua
Daw-Shang Hwang
贡献者: 國立臺灣海洋大學:輪機工程學系
日期: 2017-09
上传时间: 2018-09-04T08:45:55Z
出版者: Journal of the Air & Waste Management Association
摘要: Abstract: An important marine pollution issue identified by the International Maritime Organization (IMO) is NOx emissions; however, the stipulated method for determining the NOx certification value does not reflect the actual high emission factors of slow-speed two-stroke diesel engines over long-term slow steaming. In this study, an accurate method is presented for calculating the NOx emission factors and total amount of NOx emissions by using the actual power probabilities of the diesel engines in four types of bulk carriers. The proposed method is suitable for all types and purposes of diesel engines, is not restricted to any operating modes, and is highly accurate. Moreover, it is recommended that the IMO-stipulated certification value calculation method be modified accordingly to genuinely reduce the amount of NOx emissions. The successful achievement of this level of reduction will help improve the air quality, especially in coastal and port areas, and the health of local residents.
關聯: 67(10) pp.1146-1157
显示于类别:[輪機工程學系] 期刊論文


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