简介:Thecoalescencetimebetweentwocontactingbubbleswasmeasuredexperimentallyindifferentacousticpressuresandfrequenciesusinganimagingsystemwithahigh-speedvideocamera,andtakenananalysistotheinfluenceofthesecondaryBjerknesforceandmaximumoscillationvelocityonthecoalescencetimeoftwocontactingbubblesinthispaper.Itshowedthatundertheactionofdifferentacousticpressuresandfrequencies,thecoalescencetimeincreaseswithsecondaryforceandmaximumoscillationvelocity.TheanalysisandcomparisonofthesecondaryBjerknesforceandmaximumoscillationvelocityfortheeffectofbubblecoalescencetimeshowedthatthesecondaryBjerknesforceisthecriticalfactortoinfluencethebubblecoalescence.