Title of article :
AsimpleapproachtothepredictionofwaterhammertransientsinapipelinewithentrappedairOriginalResearchArticle
Author/Authors :
MichaelEpstein، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Thepressurehistorieswithinentrappedairbubblesinapipelineduringawaterhammertransientaretreatedtheoretically.Aconvenientintegralmethodisintroduced,whichtakesfullaccountofair/waterinterfacemovementandliquidcompressibility.Thesignificanceofthemethodisthatitprovidesasimpleequationsetforapproximating,withgoodaccuracyandwithasmalldegreeofconservatism,thesolutiontoaproblemthatotherwiseinvolvescoupledpartialdifferentialequationsontimedependentdomainswithnon-linearboundaryconditions.Theaccuracyofthemethodisdefinedbyitscomparisonwithavailablenumerical-solution-predictionsandmeasurementsofthepressurewithinanentrapped-air-bubbleatadeadendinapipe.Themethodisshowntobeacomputationallysimpleandefficientwayofassessingtheimpactofliquidcompressibilityonpressurerisewhenmultiplewatercolumnsandairpocketsarepresentinapipeline.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah