压力容器开孔接管区的应力强度评定

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40401,2(1.,450000;2.,450052):Ansys,,。:;;;:TH49:A:1671-9905(2011)07-0052-03:,,17,,,13633829625:2011-04-29、、、、、,,。,[1~2]。,,,,,,。,,,;,,。,,、,。,,、、[3]。,、、。,(FEA,FiniteElementAnalysis)。,,,,。,,,,。ANSYS、、、、、、、、,、、、。ANSYS、,。,,。,。11.1Di=2000mm,tc=30mm,do=530mm,tn=15mm,16MnR。Li=195mm,r1=30mm,r2=15mm;p=1.2MPa。E=2.0×105MPa,μ=0.3。1。40720117Technology&DevelopmentofChemicalIndustryVol.40No.7Jul.201171.2,(,)1/4。,,,L=4000mm,l=500mm。,,,。,。,,8SOLID45(Bick8Node45),2。1.3,,。,,3。P,P,Pc,:Pc=pDi2(Di+2tc)2-Di21.1:Pc=19.7MPa2Tresca4。,,274.22MPa。,,,。JB4732-1995《———》[4],、、,。,[5]。,,1234Tresca:534040()、(),、、,,[6]。:(1)Pm:Pm≤1.0Smt=143.5(2)PlPl≤1.5Smt=1.5×143.5=215.25MPa(3)()Pm+Pb:Pm+Pb≤1.5Smt=1.5×143.5=215.25MPa(4)Pm+Q:S≤3Smt=3×143.5=430.5MPa(5):S≤2Sa=2×138=276MPa,,5(,)。5,1。。,,、。,,,。3,,。。:[1].[J]..1991,8(2):4-9.[2].[J]..1996,13(4):21-25.[3],,.[M].:,2001.82.[4]JB4732-95,———[S].[5].[M].:,1995.26.[6],.[J].,2003,20(7):22.StressStrengthEvaluationforOpeningTubingConnectiononPressureVesselQINFu-you1,DUSi-hong2(1.ChemicalPressureVesselInspectionCenterofHenanProvinceStation,Zhengzhou450000,China;2.ChinaNuclearPowerEngineeringCo.,Ltd.,ZhengzhouBranch,Zhengzhou450052,China)Abstract:Toopeningtubingconnectiononapressurevessel,finiteelementanalysiswasusedonthebasisofAnsys,drawingitsstresscharacteristics.Withregardtodangeroussection,thestrengthassessmentwascarriedout.Keywords:pressurevessel;openingtubingconnection;finiteelementanalysis;strengthassessment  !#$%&%$%’&%!’(’’&1            !  54

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