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Research of Environmental Sciences. 2014, (05) Core

Emissions Characteristics of Diesel Engines for Inland Waterway Vessels in ChinaChinese Full Text

YIN Hang;DING Yan;GE Yun-shan;YE Wen-tao;WANG Jun-fang;BAI Tao;QIAN Li-yun;School of Mechanical Engineering,Beijing Institute of Technology;Chinese Research Academy of Environmental Sciences;

Abstract: Transient mode emissions from twelve inland ships were measured using a portable emissions measurement system（ PEMS）. The results show that the emissions of CO,HC,and PM during cruise mode were 0. 093,0. 019,and 0. 018 gs,respectively,lower than the emissions in maneuvering and departure modes. In contrast,the NOxemission factor in cruise mode was 0. 347 gs,which was 1. 66 and 2. 90 times of the emissions in maneuvering and departure modes,respectively. The ratios of NO to NOxvaried under different conditions. The proportion of NO was maximum in cruise mode（ reaching 96. 7%）,while the proportions in maneuvering and departure modes were 93. 6% and 93. 1%,respectively. CO,HC,NO,and PM emissions from the vessel increased with load; the emissions concentrations in high load mode were 89. 23%,29. 51%,44. 72%,and 229. 49% higher,respectively than those in low load mode. Particle number（ PN） distribution analysis indicated that the number distribution showed a double peak logarithm distribution consisting of accumulation modecoarse mode and nucleation modeaccumulation mode. Particles smaller than 120 nm consisted of 99. 84% of all particles by number. Among PM10particles,99. 9% were PM2. 5.
Keywords：

marine diesel engines; portable emissions measurements system（PEMS）; emissions characteristics;

  • DOI：

    10.13198/j.issn.1001-6929.2014.05.03

  • Series：

  • Subject：

  • Classification Code：

    X736.3

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