相继增压对某型柴油机性能影响及喷油参数再优化  

Impact of STC on Performance of Certain Type Diesel Engine and Its Injection Parameter Re-optimization

作　　者：高占斌[1,2] 王银燕[1] 胡松[1] 王洋[1] 

机构地区：[1]哈尔滨工程大学动力与能源工程学院,哈尔滨150001 [2]集美大学轮机工程学院,福建厦门361021

出　　处：《船舶工程》2015年第8期17-20,47,共5页Ship Engineering

基　　金：国家科技支撑计划(863计划)项目(2012BAF01B01);福建省自然科学基金资助项目(2015J01218);福建省科技厅资助省属高校专项基金项目(JK2014025)

摘　　要：对某采用相继增压与可控进气涡流复合系统的柴油机建立了缸内仿真模型,分别对可控进气涡流系统和相继增压与可控进气涡流复合系统的燃烧过程进行仿真计算,结果表明,在低工况下后者排气中NOX、Soot的质量分数分别降低了54%和86.1%。并对相继增压与可控进气涡流复合系统柴油机喷油提前角、喷雾锥角进行了再优化仿真计算,结果表明,优化后喷油提前角为20°CA,喷雾锥角为155°。For adopted sequential turbo charging（STC） and controllable intake swirl（CIS） compounded system diesel engine, the cylinder simulation model of this diesel engine is set up, and used to calculate the combustion process of cylinder under CIS system and STC-CIS compounded system respectively. The calculation results show that STC-CIS compounded system can decrease NOX by 54% and Soot mass fraction by 86.1% in the exhaust significantly compared with CIS system, in the low working condition. And STC-CIS compounded system of diesel engine fuel injection timing, spray cone angle of re-optimization simulation results show that the optimum injection timing is 20 °CA, the optimal spray cone angle of 155°.

关 键 词：柴油机 相继增压 进气涡流 喷油提前角 喷雾锥角 参数再优化 

分 类 号：U664.121[交通运输工程—船舶及航道工程] TK413.5[交通运输工程—船舶与海洋工程]