毕业设计（论文）基于不同燃油品质的内河船舶排放特性试验研究.docxVIP

基于不同燃油品质的内河船舶排放特性试验研究摘 要：采用车载排放测试系统，对某内河船舶于苏州河某航段进行了分别燃用B0（纯石化柴油）和B10（生物柴油-柴油混合燃料，生物柴油体积比10%）的实船放对比试验，探究了燃油品质对内河船舶PN（颗粒物数量）、CO、THC和NOX排放的影响，结果表明：内河船舶燃用B0和B10时的PN随粒径分布相似，在离港、进港和低发动机负荷工况时呈双峰对数分布，在巡航及中、高发动机负荷工况时呈单峰对数分布；内河船舶燃用B0和B10时，PN、THC、NOX排放均随负荷变大而升高，而CO排放则先降低后升高；内河船舶燃用B10时PN、CO和NOX排放因子相对B0有所降低，离港、巡航、进港时PN排放因子分别降低13.82%、8.21%、46.44%，CO排放因子分别降低20.87%、12.66%、7.52%，NOX排放因子分别降低21.91%、21.63%、39.20%，B10的THC排放因子高于B0，离港、巡航、进港时分别提高33.68%、20.46%、26.62%。关键词：内河船舶；燃油品质；排放特性；车载排放测试系统中图分类号：U661.43文献标识码：AExperimental study on the characteristics of emissions of inland ships based on different fuel qualitiesLOU Di-min, SHI Li-hua, TAN Pi-qiang, HU Zhi-yuan(Tongji University)Abstract: PEMS (portable emission measurement system) is used to conduct a real-navigation emissions test with marine pure diesel (B0 for short) and diesel-biodiesel blended fuel with volume ratio 10% (B10 for short) on an inland ship which usually works in Suzhou River for studying the influence of fuel qualities on PN, CO, THC and NOX emission characteristic of the ship. The study results show that the particle size distribution of the exhaust gas of the boat fueled with B10 is similar to that fueled with B0: double-peak logarithmic distribution when leavingharbor, enteringharborcondition and in low engine load conditions; single-peak logarithmic distribution when cruising and in middle/high engine load conditions. No matter the inland ship is fueled with B0 or B10, its PN, THC and NOX emission increase while its CO emission decreases as the engine load increasing. Compared with B0, the PM, CO and NOX emission factors of the ship are lower when fueled with B10. In harbor-leaving, cruise and harbor-entering conditions, the particulate numberemission factors were reduced by 13.82%, 8.21% and 46.44% respectively, CO emission factors were reduced by 20.87%, 12.66%and7.52% respectively, NOX emission factors were reduced by 21.91%, 21.63% and 39.20% respectively. THC emission factorsof B10 is higher than B0, it in