InternationalJournalofFluidDynamics流体动力学,2023,11(3),81-93PublishedOnlineSeptember2023inHans.https://www.hanspub.org/journal/ijfdhttps://doi.org/10.12677/ijfd.2023.113008文章引用:王帅,肖翔域,赵嘉毅.关于动静液滴聚结诱导跳跃的数值模拟[J].流体动力学,2023,11(3):81-93.DOI:10.12677/ijfd.2023.113008关于动静液滴聚结诱导跳跃的数值模拟王帅,肖翔域,赵嘉毅*上海理工大学,能源与动力工程学院,上海收稿日期:2023年7月24日;录用日期:2023年8月2日;发布日期:2023年9月6日摘要为了探究初始速度和液滴之间约束点对运动液滴和静态液滴聚结引起的液滴跳跃的影响,我们采用单向有限元模型进行了模拟,并结合实验验证了仿真结果。结果表明:移动液滴的初始速度加速了跳跃过程中液滴变形,随着移动液滴的初速度增加,弹跳速度减小;随着约束点高度增加,弹跳速度增加。聚结液滴总动能的主要来源从释放的表面能转变为运动液滴的初始动能,但弹跳动能占总动能的比例减小。此外,移动液滴的初始速度加剧了液滴变形,加速了聚结诱导跳跃的过程,但是抑制了跳跃高度,而约束点促进了液滴的弹跳。这项工作将为液滴跳跃行为带来新的见解,并促进其在相关领域的应用。关键词液滴,约束点,聚结,跳跃NumericalSimulationofJumpInducedbyCoalescenceofStaticandStaticDropletsShuaiWang,XiangyuXiao,JiayiZhao*SchoolofEnergyandPowerEngineering,UniversityofShanghaiforScienceandTechnology,ShanghaiReceived:Jul.24th,2023;accepted:Aug.2nd,2023;published:Sep.6th,2023AbstractInordertoexploretheeffectoftheinitialvelocityandtheconstraintpointbetweendropletsonthedropletjumpcausedbytheagglomerationofmovingdropletsandstaticdroplets,aone-way*通讯作者。王帅等DOI:10.12677/ijfd.2023.11300882流体动力学finiteelementmodelwasusedtosimulatethedropletjump,andthesimulationresultswereveri-fiedbyexperiments.Theresultsshowthattheinitialvelocityofthemovingdropletacceleratesthedropletdeformationduringthejumpingprocess,andthebouncingvelocitydecreaseswiththeincreaseofu0ofthemovingdroplet.Astheheightoftheconstraintpointincreases,theboundingspeedincreases.Themainsourceoftotalkineticenergyofthecoalesceddropletchangesfromthereleasedsurfaceenergytotheinitialkineticenergyofthemovingdroplet,but...