Title of article
AsimpleapproachtothepredictionofwaterhammertransientsinapipelinewithentrappedairOriginalResearchArticle
Author/Authors
MichaelEpstein، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
7
From page
2182
To page
2188
Abstract
Thepressurehistorieswithinentrappedairbubblesinapipelineduringawaterhammertransientaretreatedtheoretically.Aconvenientintegralmethodisintroduced,whichtakesfullaccountofair/waterinterfacemovementandliquidcompressibility.Thesignificanceofthemethodisthatitprovidesasimpleequationsetforapproximating,withgoodaccuracyandwithasmalldegreeofconservatism,thesolutiontoaproblemthatotherwiseinvolvescoupledpartialdifferentialequationsontimedependentdomainswithnon-linearboundaryconditions.Theaccuracyofthemethodisdefinedbyitscomparisonwithavailablenumerical-solution-predictionsandmeasurementsofthepressurewithinanentrapped-air-bubbleatadeadendinapipe.Themethodisshowntobeacomputationallysimpleandefficientwayofassessingtheimpactofliquidcompressibilityonpressurerisewhenmultiplewatercolumnsandairpocketsarepresentinapipeline.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
895173
Link To Document