第45卷（2023）第2期Vol.45（2023）No.2柴油机DieselEngineDOI：10.12374/j.issn.1001-4357.2023.02.001船用柴油机涡轮预测模型建模及工作过程耦合分析董思艺1，王新权1，刘瑞1，杨名洋2，薛颖娴2（1.上海船用柴油机研究所，上海201108；2.上海交通大学机械与动力工程学院，上海200240）摘要：针对目前船用增压器计算模型把涡轮简化为当量喷嘴而不考虑涡轮内流动的不足，基于涡轮内流动相关几何特征参数建立预测模型，该模型考虑了涡轮不同部位流动的差异，具有更强的预测能力。采用Simulink建立涡轮一维预测仿真模型，并基于GT-Power/Simulink对某型船用柴油机的工作过程进行耦合分析。仿真结果显示，采用涡轮预测模型后，整机工作过程计算模型仿真结果和实际更为吻合，能更好地指导工作过程优化和增压器匹配。关键词：柴油机；增压器；涡轮预测模型；喘振中图分类号：TK421.8文献标志码：A文章编号：1001-4357（2023）02-0001-05ModelingofMarineDieselEngineTurbinePredictionModelandCoupledAnalysisofWorkingProcessDONGSiyi1，WANGXinquan1，LIURui1，YANGMingyang2，XUEYingxian2（1.ShanghaiMarineDieselEngineResearchInstitute，Shanghai201108，China；2.SchoolofMechanicalEngineering，ShanghaiJiaoTongUniversity，Shanghai200240，China）Abstract：Inresponsetotheshortcomingsofcurrentmarinesuperchargercalculationmodelwhichsimplifiestheturbineasanequivalentnozzlewithoutconsideringtheflowinsidetheturbine，apredictionmodelwasestablishedbasedonthegeometriccharacteristicsparametersrelatedtotheflowinsidetheturbine，whichtookintoaccountthedifferencesintheflowofdifferentpartsoftheturbineandhadstrongerpredictioncapability.Aone-dimensionalpredictionsimulationmodelofturbinewasestablishedbySimulink，andcoupledanalysisoftheworkingprocessofacertaintypeofmarinedieselenginewascarriedoutbasedonGT-Power/Simulink.Thesimulationresultsshowthatafteradoptingtheturbinepredictionmodel，thesimulationresultsofthewholeengineworkingprocesscalculationmodelaremoreconsistentwiththeactualone，whichcanbetterguidetheoptimizationofworkingprocessandsuperchargermatching.Keywords：dieselengine；supercharger；turbinepredictionmodel；surge0引言高功率密度柴油机的广泛应用以及船用柴油机工...
