Title of article :
Upwardverticaltwo-phaseflowlocalflowregimeidentificationusingneuralnetworktechniquesOriginalResearchArticle
Author/Authors :
J.EnriqueJuli?، نويسنده , , YangLiu، نويسنده , , SidharthParanjape، نويسنده , , MamoruIshii، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Traditionally,theflowregimesintwo-phaseflowareconsideredinaglobalsense.However,alocalflowregimeisrequiredtounderstandandmodeltheinterfacialstructurespresentintheflow.Inthiswork,anewapproachhasbeenusedtoidentifybothglobalandlocalflowregimesinatwo-phaseupwardflowina50.8mminternaldiameterpipeunderadiabaticconditions.Inthepresentmethod,thebubblechordlengthdistributions,whicharemeasuredsimultaneouslywiththreedouble-sensorconductivityprobes,havebeenusedtofeedaself-organizedneuralnetwork.Theglobalflowregimeidentificationresultsshowareasonableagreementwiththevisualobservationforalltheflowconditions.Nonetheless,onlythelocalflowregimesmeasuredatthecenterofthepipeagreewiththeglobalones.Thelocalflowregimecombinationsfoundareanalyzedusingtheflowmapinformation,cross-correlationsbetweentheprobesignals,andpreviouscorrelations.Inthisway,itispossibletoidentifyeightdifferentglobalflowregimeconfigurations.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
