脉冲射流技术的原理及其应力特性研究

:2005-01-21:(1965-),,,,,(,250100):,,,:;;:TH12:A:1004-4280(2005)02-0005-05119,50,,60,,70,,,,,,,,,,,,,11.1119220056JOURNALOFSHANDONGINSTITUTEOFLIGHTINDUSTRYVol.19No.2Jun.2005©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:PH=au1+(a/sas):u,,a,s,as619©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=300m/s,a=1500m/s,=1000kg/m2,R=1mm,450MPa,45MPa,,,,,,,,,,1.5m2m3(),,A.Lichitatuwitz:,:,,,,,,,,,,,,,,,3.13.1.1,,,,,,;,,,,,,3.1.272:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,,,,,,3.2.2,20000/,,,,,3.2.3,,3.2.4,,,,,4,,;:[1]M.A.G..[J].,1998,(3):26-30.819©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2].[J].,2001(4):6-9.[3].[M].:,1993,37-48.[4]TMorel.ExpenrimentalStusyofjetdrivenHelmholtzosciuator.JournalofFluidEngineering[J].1979,101(9):383-390.TheprincipleofpulsejettechnologyanditsstresscharacteristicstudyLIUXiao-jian(SchoolofMechanicalEngineering,ShandongInstituteofLightIndustry,Jinan250100,China)Abstract:Thispaperintroducesseveralkindsofprinciplesofpulsejettechnology,discussestheiradvantagesanddisadvantages,sumsuptherulesofpulsejetbeatingthetargetandanalysesitsstresscharacteristics.Keywords:pulse;jet;principle(4)Researchonerosionofceramicnozzlesbasedongas-solidtwophaseflowtheoryMAOFu-sheng,WANGLi,FENGYi-hua(SchoolofMechanicalEngineering,ShandongInstituteofLightIndustry,Jinan250100,China)Abstract:Basedongas-solidtwo-phaseflowtheoryandthephenomenaanddataresultsofexper2imentsonerosionwearceramicnozzles,thebehaviorandinfluencefactorsofceramicnozzleserosionwearwereinvestigatedinordertoprovidetheorysupportforanti-erosiondesignofceramicnozzles.Keywords:ceramicnozzles;gas-solidtwo-phaseflow;erosionwear92:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.