Heat transfer in flow through branching tubes

(整期优先)网络出版时间:2018-02-12
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Allometricscalingrelationsforhowbranchingtubesdeliverfluidareoftenbasedontheassumptionofisothermalconditionswhicharenotalwaysfulfilled.Thisworkreportsonthesizesofbranchingtubesforfluidflowsubjectedtoconstantwallheatflux.Itexploreshowthedeliveryoffluidandheatinfluencestheoptimalsizeofatubeandtheoptimalconfigurationofbranchingtubesforbothlaminarandturbulentflow.Besides,itpresentsananalyticalbasisforevaluationofoptimalsizeoftubesthatminimisethepowerlossassociatedwiththepumpingpowerandtheheattransfer.Thefindingsobtainedinthisstudymayhaveimportantimplicationsfordesignofsystemswithminimumthermodynamiclosses.