高速动车组设备舱通风格栅气粒分离特性的数值模拟

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1、高速动车组设备舱通风格栅气粒分离特性的数值模拟fieldofgasphaseaswellastheconcentrationofdustinthefield.TheoptimallengthoftheV-shapededgeandlongitudinalgapparameterareachievedthroughtheparameter’soptimizationofventilationgrille.Atlast,themoresuitabletypeoftheventilationgrilleischosenatthesam

2、etime.AfterobtainingtheperformanceoftheventilationgrilleofV-Vtype,thisthesismakesafurtherstudyabouttheperformanceofventilationgrilleofGLtype,gettingtheresultoffiltrationefficiencyandpressurelossofventilationgrilleofthistype,thevelocityfieldandpressurefieldofgasphasea

3、swellastheconcentrationofdustinthefield.Aftercomparingtheventilationgrille’sperformanceofV-VtypewiththeoneofGLtype,thisthesisconcludesthatthelatterisbetter.Hopefully,theresearchmethodsandconclusionsinthispapercanoffersomebeneficialreferenceresourcestothesubsequentstu

4、dy.KeyWords：ComputationalFluidDynamies(CFD)；Gas-solidTwo-PhaseFlow；Gas-SolidSeparationCharacteristics；VentilateGrilleFilter；High-speedtrains-VI-万方数据兰州交通大学硕士学位论文目录摘要.......................................................................................................

5、...................IVAbstract.............................................................................................................................V1绪论.............................................................................................................

6、.................101.1研究背景与意义...............................................................................................101.2铁路机车设备舱通风格栅过滤器概述...........................................................121.3气固两相流数值模拟在通风格栅过滤器中的应用.....................................

7、..151.4CRH5H型动车组设备舱通风除尘装置简介..................................................151.5本文研究内容和研究方法...............................................................................172兰新第二双线风沙环境特点................................................................................

8、......182.1兰新第二双线风环境的特点...........................................................................182.1.1线路概况......................