摘要
AvisualizedinvestigationwascarriedoutontheeffectofthedivergingangleonthebubblemotionandinterfacialbehaviorinaVenturi-typebubblegenerator.Itwasfoundtwoorthreelargevortexesformedinthedivergingsection,resultinginstrongreentrantjetflowinthefrontofthebubblesorslugsrushingoutofthethroat.Thejetflowinreturnbumpsintotheongoingbubblesorslugs,leadingtostronginteractionbetweenthegasandliquidphases.Thediverginganglehassignificantinfluenceonthereentrantflowprocessandtheperformanceofthebubblegeneratoraswell.Increasingthedivergingangleresultsinthereentrantflowmovingfurtherforwardtotheupstreamandintensifiestheinteractionbetweenthetwophases.Asaconsequence,thebreakuporcollapseofbubblesbecomesmoreviolent,wherebyfinerbubblesaregenerated.Assuch,thereentrantflowstronglylinkstotheperformanceoftheVenturichanneltakenasabubblegenerator,andthatamoderateincreaseinthediverginganglecanimproveitsperformancewithoutadditionalincreaseinflowresistancelikethatbyincreasingliquidflowrate.
出版日期
2018年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
