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Journal of Flow Visualization and Image Processing

Publicado 4 números por año

ISSN Imprimir: 1065-3090

ISSN En Línea: 1940-4336

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: 0.6 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: 0.6 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: 0.00013 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: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

Indexed in

OBSERVATION OF THE SHAPE AND SIZE OF BUBBLES GENERATED IN A MOLTEN METAL BATH USING AN X-RAY FLUOROSCOPE

Volumen 1, Edición 4, 1993, pp. 271-281
DOI: 10.1615/JFlowVisImageProc.v1.i4.20
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SINOPSIS

In the present study, the so-called hot model experiments were carried out to reveal the characteristics of bubbles in a molten metal bath. Ar gas was injected vertically upward into a molten pig iron bath at 1,250 °C through a lance made of quartz. Bubbles formed at the lance exit were observed using a high voltage X-ray fluoroscope and a high-speed video camera. The bubble frequency and bubble rising velocity were determined using an image processing technique. Changes in the shape and size of bubbles with respect to Ar gas flow rate were very similar to that observed in aqueous systems. Bubbles increased in size with an increase in the gas flow rate. The bubbles were ellipsoid in shape when the gas flow rate was relatively low. As the gas flow rate increased further, the doublet was observed. Small bubbles generated due to disintegration of large bubbles were observed when the gas flow rate exceeded a certain critical value. An empirical correlation of an equivalent bubble diameter was proposed.

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