管道应力分析_蒸汽透平压缩机进出口管线设计

©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.Ê1()(),(),,(),,,,,:(1)()(2)(),()(3),()(),,,,,,(),()22.12.1.1,202.1.2,,2.2()2.3(,),,4219981©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:Ra=f(1.25Rc+0.25Rh)(1),Ra,MPa;RhRc,MPa;f,,11f70001.07000140000.914000220000.822000450000.7450001000000.610000000.5,7000(ANSIB31.3),f=1.03.2(A),3.3EaEm3.4,0.3,4,ANSIB31.3;,1YNYN5219981©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()516,,,,,,,,ANSIB31.3,NEMA(),6.12326.226.3CAESARÊCAESARÊ,,,6.4,,,6.5NEMA,6219981©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.öcm2204#2020mmDN200DN350(537710)(52198)DN300(532510)mm1.5D1.0D,1.5Dmm9090kgöcm30.00030.0003kgöcm300möm13.24E-611.88E-6()kgföcm213371330()kgföcm294013303SI36.5.1436.5.2NEMASM23:(kgf):3:(mm)(kg)(kgm)DNXYZFxFyFzMxMyMz()200-827220-78033390208175-39()200-827220-78038-67-27693252()300-620130-23513-4-53-55-27-18()300-620130-23533-1-59-5536647219981©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=6FxiFcy=6FyiFcz=6Fzi4(kgfm)Mcx=6Mxi+6(FziYi-FyiZi)Mcy=6Myi+6(FxiZi-FziXi)Mcz=6Mzi+6(FyiXi-FxiYi),,(4)4kgkgmFcx3.038.013.033.016.070.1245.00Fcy33.0-67.0-4.0-1.029.0-68.0613.00Fcz90.0-27.0-53.0-59.037.086.0490.00Mcx253.547.56-62.83-62.91190.71-55.25374.00Mcy247.09-19.97-62.92-8.34184.18-28.30187.00Mcz-66.9599.05-17.2160.33-84.16159.38187.006.6(1):CASE3(OPE)W+DIS+T1+P1+FORForces(kgf)Moments(kgfm)NODEFxFyFzMxMyMz139-416235843287-222500000025-3-526105000400-820001045-10-25123000604-203200001070-5-2972900074-116-12700011038-67-27693252800-4510000990-1940000:CASE4(SUS)W+P1+FORForces(kgf)Moments(kgfm)NODEFxFyFzMxMyMz1-30-39-8810712-75-1-32565000253-321640004022-30958000104522-264140006017-26620000107013-239200007400000011033390208175-39800-4830000990-1920000(2):CASE3(OPE)W+DIS+T1+P1+FORForces(kgf)Moments(kgfm)NODEFxFyFzMxMyMz1309-78473-232237-3015-151-988-2550002021-102-2200030132-878-17500045184-1845-7000600-6336300060-4780000070-53-7915900074-111-1080008000000012033-1-59-553664990-8480000800-4520000:CASE4(SUS)W+P1+FORForces(kgf)Moments(kgfm)NODEFxFyFZMxMyMz13-191943221815-3-907-170002000000030-74-1590240004589-1087-62000600-805500060-210000070-8-73220007400000080-201600012013-4-53-55-27-18990-8450000800-4570000(1997-06-10)8219981©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(HefeiIndustryUniversity,Hefe230009)Thisworkprovidesquantitativegradingesti2mationsfortheheatresistanceduringtheheattransferringofthetube&shellheatexchangerandmathematicalanalysisforthevariationofto2talheat2transfercoefficientalongwiththechangesofheatresistance.Keywordsheatexchange,heatresistance,heat2transfercoefficientPipingStressAnalysis-InletandOutletPipelineDesignforSteamTurbineCompressorYuanYe(DesignInstituteofJilingChemicalIndustryCorporation,Jiling132021))Theauthoraddressestheobjectandrequire2mentforpipingstressanalysis.Introducesbasicconditionsforpipingstressanalysis,characteris2ticdataofpipingmaterialsandcode&standardforpipingmaterialselection.Describeshowtoperformthepipingstressanalysisofinletandouteltpipelinedesignforsteamturbinecompres2sorbyusingCAESARÊstressanalysissoftwareandcheckthepipeendloadbyusingNEMAstandard.Keywordspipingstressanalysis,CAESARÊstressanalysissoftware,steamturbinecom2pressor(CRöRe)ReChartofRotameterandItsApplicationHuangGuangdou(HubeiIndustryCollege,Wuchang430068)TheCRöRecalculationformulaforrotameterandthecurvechartfor(CRöRe)Rerelation2shipisdemonstrated.Byusingthischart,itispossibletocalculatedirectlythecoefficientofflow,CR,forrotameterwithoutusingtrialanderrormethod.Keywordsrotameter,areameter,coefficientofflow,flowratemeasurementThermalStressCalculationforReinforcedConcreteWaterPondShenTuXianMin(ShanghaiEngineeringchemicalDesignInstitute,Shanghai200233)Sincetherelativelylargedeformationstressforcecausedbyover2length,temperaturevaria2tionandshrinkofthereinforcedconcretewaterpondiseasilytocreatethecracks,itispointedoutthattocontrolthetemperaturedifferencesandshrinkactionisthemainfactorforcontrol2lingthecrack.Thethermalstresscalculationformula,methodandcalculationexamplesforsuchreinforcedconcretestructureareprovided.Keywordsreinforcedconcretewaterpond,thermalstresscalculation,extensionshrinkExplosion-ProofDesignforArchitectureofChemicalEnterpriseXuYuhai(ChemicalDesignInstituteofJiangsuProvince,Nanjing210024)219981