北京幸运赛车

Mode control of electrically injected semiconductor laser with parity-tim...
Multiple Fano Resonances with Tunable Electromagnetic Properties in Graph...
Noise Suppression of Distributed Acoustic Sensing Based on f-x Deconvolut...
Enhanced Stretchable and Sensitive Strain Sensor via Controlled Strain Di...
Comparison of optoelectrical characteristics between Schottky and Ohmic c...
Tunable Terahertz Metamaterials Based on Anapole Excitation with Graphene...
Ultrahigh Sensitivity Graphene/Nanoporous GaN Ultraviolet Photodetectors
One-Step Synthesis of SiOx@Graphene Composite Material by a Hydrothermal ...
Spin relaxation induced by interfacial effects in n-GaN/MgO/Co spin injec...
Interface Engineering-Assisted 3D-Graphene/Germanium Heterojunction for H...
官方微信
友情链接

Spreading and penetration of a micro-sized water droplet impacting onto oil layers

2020-05-06

 

北京幸运赛车author(s): wang, b (wang, bo); wang, cy (wang, chenyu); yu, yd (yu, yude); chen, xd (chen, xiaodong)

source: physics of fluids volume: 32 issue: 1 article number: 012003 doi: 10.1063/1.5136033 published: jan 2020

abstract: this paper describes a theoretical and numerical investigation of the impact dynamics and outcomes of a microsized water droplet falling onto an oil layer. the shape of the water droplet floating on the oil layer is predicted theoretically to understand the balancing of the three interfacial tensions. direct numerical simulations coupled with a three-phase volume-of-fluid method are performed on an axisymmetric model, considering the balancing and motion of the triple-line. the effects of the impact velocity, viscosity ratio of oil and water, height of the oil layer, and the combination of the three interfacial tensions on the impact dynamics and outcomes are systematically studied. regime diagrams of the nonpenetration and penetration outcomes are obtained under different combinations of the flow and physical parameters. it is found that the balance among the three interfacial tensions is well maintained at the triple-line due to the low capillary number. the maximum horizontal spreading of the water droplet is proportional to the square root of the weber number when the impact velocity is low. moreover, the maximum penetration for high impact velocities is independent of the spreading parameter. to understand the lower transition between nonpenetration and penetration, the critical penetration distance at which the triple-line is about to collapse is obtained from simulation results as a function of the spreading parameter, and these indicate weak dependence on the viscosity ratio. a semiempirical model is used to predict the boundary of lower transitions, and these are in good agreement with the simulations results. published under license by aip publishing.

accession number: wos:000525847200011

author identifiers:

author        web of science researcherid        orcid number

chen, xiaodong         l-2447-2015         0000-0001-5530-2637

北京幸运赛车issn: 1070-6631

北京幸运赛车eissn: 1089-7666

北京幸运赛车full text:



关于北京幸运赛车
下载视频观看
联系方式
通信地址

beijingshihaidianquqinghuadonglujia35hao beijing912xinxiang (100083)

电话

010-82304210/010-82305052(chuanzhen)

E-mail

semi@semi.portal-tuxtla.com

友情链接
版权所有:北京幸运赛车|首页

备案号: 京ICP备05085259号 京公网安备110402500052

北京幸运赛车|首页 极速快3_极速快3平台|官网 北京pk10是正规彩票吗|正规授权 快乐赛车_快乐赛车官方网站|信誉平台 北京快乐8_北京快乐8计划|信誉平台 快乐时时彩|首页 快3彩票网站彩入口|正规授权 幸运时时彩|信誉平台 幸运赛车投注|信誉平台 极速28_极速28彩票|信誉平台 快三_快三app|正规授权