简介:Verticalwallsurfaceformingofrectangularshellusingmultistageincrementalformingwithsphericalandcylindricalrollers;Apredictionofburstingfailureintubehydroformingprocessesbasedonductilefracturecriterion;Anapproximationmodelofcontactstatebetweenrollandstrand-computationofthree-dimensionaldeformationbehaviorofcontinuouslycaststeelstrandinmultirollspansI;Analysisofhydraulicformingprocessfornoncirculartube;AnalysisofhydrostatictubebulgingwithcylindricaldieusingstaticexplicitFEM;CTRimprovesperformance:managementtoolhelpsmanufacturesgettheirproductsintocustomer'shandsquickly
简介:摘要:针对某电厂两台汽轮机启机,冲转升速过程中,差胀值负向增长过大,严重时导致汽轮机保护动作停机问题,对其进行分析,并提出了抑制或解决差胀值负向增长的有效措施,从而保证汽轮机的安全稳定运行。