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Interfacial Phenomena and Heat Transfer

Publicado 4 números por año

ISSN Imprimir: 2169-2785

ISSN En Línea: 2167-857X

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.5 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00018 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.11 SJR: 0.286 SNIP: 1.032 CiteScore™:: 1.6 H-Index: 10

Indexed in

REBOUND OF LIQUID DROPLETS CAUSED BY SUDDEN DECREASE OF GRAVITY

Volumen 2, Edición 1, 2014, pp. 41-54
DOI: 10.1615/InterfacPhenomHeatTransfer.2014010424
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SINOPSIS

The rebound of a liquid droplet from a flat solid surface after a sudden decrease of gravity, as well as its spread on the surface in normal gravity, is simulated numerically using the level set method. The predicted static shape of the spreading droplet in normal gravity is in good agreement with that predicted by the software program, Surface Evolver, while the simulated behaviors of the rebounding droplet show qualitative agreement with published experimental observations in the drop tower. It is found that a series of rebound movements−including deformation, departure, bounce, and oscillation of the liquid droplet−are induced by surface recoil after a sudden decrease of gravity. The rebound ability is enhanced by the gravity decrease and the liquid droplet size. No detachment occurs for droplets with small Bond numbers, where a much weak influence of gravity is exhibited compared with surface tension even in normal gravity. Beyond a certain threshold, the departure time of the liquid droplet increases with its size. The amplitude of the surface oscillation also increases; however, the frequency decreases gradually with the droplet size, which is in agreement with the classical theory of droplet oscillation.

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