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Atomization and Sprays

Publicou 12 edições por ano

ISSN Imprimir: 1044-5110

ISSN On-line: 1936-2684

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: 1.2 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: 1.8 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: 0.3 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: 0.00095 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: 0.28 SJR: 0.341 SNIP: 0.536 CiteScore™:: 1.9 H-Index: 57

Indexed in

X-RAY IMAGING TECHNIQUES TO QUANTIFY SPRAY CHARACTERISTICS IN THE NEAR FIELD

Volume 28, Edição 11, 2018, pp. 1029-1059
DOI: 10.1615/AtomizSpr.2019028797
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RESUMO

Liquid sprays play a key role in many engineering processes, including, but not limited to, food processing, coating and painting, 3D printing, fire suppression, agricultural production, and combustion systems. Spray characteristics can easily be assessed in the mid- and far-field regions, well after liquid sheet breakup and droplet formation, using various optical and/or laser diagnostic techniques. The conditions in the near-field region influence mid- and far-field characteristics; however, near-field measurements are extremely challenging because the spray in this region is typically optically dense where optical and laser diagnostics are generally ineffective. This paper provides an overview of the various X-ray imaging techniques that can be used to characterize the near-field region of a spray. X-rays produced with tube sources as well as synchrotron sources will be discussed. Using tube-source X-rays, 2D radiographic videos are possible showing qualitative spray information. The 2D radiographs can also provide quantitative measurements of the optical depth (OD) in the near-field region. Tube sources can also provide X-ray computed tomography imaging that can produce time-average 3D density (mass distribution) maps of the spray. X-rays from synchrotron radiation provide a high-flux X-ray beam that can be used to provide high spatial and temporal resolution of the spray equivalent path length (EPL) as well as other characteristics, but it is more challenging to implement than using a common tube source. Various examples of these X-ray imaging techniques will be discussed.

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