上海海事大学学报
上海海事大學學報
상해해사대학학보
JOURNAL OF SHANGHAI MARITIME UNIVERSITY
2015年
2期
70-73,78
,共5页
王忠诚%许乐平%周培林%周俊峰%赵睿%周大平
王忠誠%許樂平%週培林%週俊峰%趙睿%週大平
왕충성%허악평%주배림%주준봉%조예%주대평
环境保护%MARPOL 1973/78%电喷柴油机%排放特性
環境保護%MARPOL 1973/78%電噴柴油機%排放特性
배경보호%MARPOL 1973/78%전분시유궤%배방특성
environmental protection%MARPOL 1973/78%electronic fuel injection diesel engine%emis-sion characteristic
为研究船舶柴油机的防污染问题,依据《MARPOL 1973/78》附则VI对船舶柴油机排放物的最新要求,对船用某大型低速二冲程十字头共轨电喷柴油机进行排放测试,分析排放物(THC, NOx ,CO2,CO和O2)随负荷变化的排放特性,得出按推进特性运行时THC,NOx ,CO2,CO和O2的排放规律。结果表明:该型柴油机在各负荷下运行时,缸内燃烧过程充分;按经济理念设计的降速运行可获得经济效益;与传统柴油机相比,该型柴油机在NOx和CO2排放上明显改善。
為研究船舶柴油機的防汙染問題,依據《MARPOL 1973/78》附則VI對船舶柴油機排放物的最新要求,對船用某大型低速二遲程十字頭共軌電噴柴油機進行排放測試,分析排放物(THC, NOx ,CO2,CO和O2)隨負荷變化的排放特性,得齣按推進特性運行時THC,NOx ,CO2,CO和O2的排放規律。結果錶明:該型柴油機在各負荷下運行時,缸內燃燒過程充分;按經濟理唸設計的降速運行可穫得經濟效益;與傳統柴油機相比,該型柴油機在NOx和CO2排放上明顯改善。
위연구선박시유궤적방오염문제,의거《MARPOL 1973/78》부칙VI대선박시유궤배방물적최신요구,대선용모대형저속이충정십자두공궤전분시유궤진행배방측시,분석배방물(THC, NOx ,CO2,CO화O2)수부하변화적배방특성,득출안추진특성운행시THC,NOx ,CO2,CO화O2적배방규률。결과표명:해형시유궤재각부하하운행시,항내연소과정충분;안경제이념설계적강속운행가획득경제효익;여전통시유궤상비,해형시유궤재NOx화CO2배방상명현개선。
To prevent the pollution from marine diesel engines,the emission test of a large-scale low-speed two-stroke crosshead common-rail diesel engine with electronic fuel injection is conducted according to the latest emission requirement of marine diesel engines in MARPOL 1973/78 Annex VI. Emission characteristics of THC,NOx ,CO2 ,CO and O2 with different engine loads are analyzed,and their emis-sion rules are obtained under the propulsion characteristic condition. The results show that,this type of diesel engines is of a full in-cylinder combustion process under different loading conditions,a higher eco-nomic benefit can be achieved at low steaming that is designed according to economical idea,and the NOx and CO2 emissions of this type of diesel engine reduce significantly compared with those of traditional marine diesel engines.