%0 Journal Article
%T Simulationofmulti-componentmulti-stageseparationprocess-Animprovedalgorithmandapplication
%A 李春山
%A 张香平
%A 张锁江
%A 谭心舜
%A 项曙光
%J 过程工程学报
%D 2006
%X Thispaperpresentsaflexiblemodelandarobustalgorithmforsimulationofmulti-stagemulti-componentseparationprocessesinwhichmultiplefeeds,sidestreams,strippersand/orsideheatexchangersareinvolved.Theimprovedalgorithmeffectivelyacceleratesthespeedofconvergenceandoffersbetterstabilitybyintroducingadampingfactorforupdatingthestrippingfactor,andalsoreducestherequirementontheinitialestimatesbyupdatingtheJoacobianmatrixdirectlywiththestrippingfactorandenthalpy.Ontheotherhand,anefficientalgorithmwasproposedtosolvetheapproximatetri-diagonalmatrix(containingtheoff-bandelements)derivedfromthematerialbalanceequations(Mequations)andphaseequilibriumequations(Eequations),theadvantagesandsimplicityofthe"inside-out"techniqueoftheRussellareretained.Thepresentalgorithmwasdemonstratedtobeeffectiveinsimulatingcomplexseparationcolumnswithtypicalcasestudies.
%K separation
%K distillation
%K multi-component
%K simulation
%K algorithm
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=532