Binary droplet collision at high weber number
WebDec 20, 2024 · The collision dynamics of pure water droplets and pure ethanol droplets under 200 ≤ W e < 2000 were studied experimentally and theoretically. The effects of … WebJan 22, 2024 · One of the important phenomena in the fields of meteorology and engineering is a binary droplet collision. Among the various forms of collisions, the generation of rain droplets [1,2,3,4] and collisions droplets of different substances [5,6,7,8], which are important in engineering, have been experimentally studied.Jiang et al. [] …
Binary droplet collision at high weber number
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WebIn this work, we have comprehensively demonstrated the effect of Ohnesorge number on the C–SS transition in binary droplet collisions. ... Intense deformation and fragmentation of two droplet collision at high Weber numbers. Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 655, Issue. , p. 130171. CrossRef; WebBinary droplet collision can lead to coalescence, bouncing or splashing into tiny droplets. ... (2007) showed that two other regimes can exist at high Weber number We: stretching with digitations ...
WebIn experimental studies of binary droplet collisions, the lamella rupture is not observed even when the Weber number is increased to $We=2876$ (Roth et al. Reference Roth, Rieber … WebBy using the techniques developed for generating high-speed droplets, we have systematically investigated binary droplet collision when the Weber number (We) was …
WebSep 1, 1987 · In calculating the Weber number for the nonburning droplet collision, the surface tension value at 25 was used; however, for the burning case, the value at 60 was … WebMay 1, 2024 · The impact Weber number was varied between 5 and 65 and droplet evolution was analyzed using high-speed imaging. It is established [ 26 ] that droplet morphology and spreading behavior are markedly different for convex and concave surfaces as compared to a flat substrate because of momentum anisotropy.
WebJun 5, 2024 · We have established a parallel, adaptive interface-tracking framework in order to conduct, based on the framework, direct simulation of binary head-on droplet collision in the high-Weber-number ...
WebOct 20, 2014 · We have established a parallel, adaptive interface-tracking framework in order to conduct, based on the framework, direct simulation of binary head-on droplet … shangri la hotel paris addressWebA separation criterion based on droplet deformation is found. The numerical results are used to assess the validity of some commonly used phenomenological models for drop separation after collision. Also, a critical Weber number for the droplet separation after grazing collision is reported. polyethylene / ethyl acrylate copolymerWebStudy on high-Weber-number droplet collision by a . 摘要：We have established a parallel, adaptive interface-tracking framework in order to conduct, based on the … shangri la hotel romeWebAug 1, 2007 · Furthermore, the composite model is improved by introducing an additional condition to consider the overlapping region of the stretching and reflexive separation regimes at high Weber numbers. The outcome of a binary collision is identified based on the collision Weber number, the dimensionless impact parameter and the droplet size … shangri la hotel reservationsWebSep 1, 2009 · Direct numerical simulations are performed to investigate the multiscale flow physics of binary droplet collision over a wide range of Weber numbers and impact … poly ethylene dichlorideWebMar 7, 2014 · Weber Number (We) and impact parameter (B) were used to describe the collision process of the binary droplets. For identical droplets, We and B are defined as 2 Rρv 2 /σ and l/2R , respectively. shangri-la hotels and resorts groupWebDec 12, 2024 · A substantial amount of droplet collisions is expected near the spray nozzles, due to the high local droplet number density and relative velocity. The droplet size, velocity distribution and initial spray angle are significantly altered by the collision dynamics: coalescence of droplets will produce larger droplets, whereas separation will ... shangri la hotel resorts