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Atomization and Sprays

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ISSN Druckformat: 1044-5110

ISSN Online: 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

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EXPERIMENTAL STUDY ON ROCK BREAKING BY A COMBINED ROUND STRAIGHT JET WITH A SWIRLING JET NOZZLE

Volumen 21, Ausgabe 8, 2011, pp. 645-653
DOI: 10.1615/AtomizSpr.2012004134
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ABSTRAKT

The combined straight jet with swirling jet, generated by combined round straight jet with swirling jet nozzle with a disk, is a new kind of high-efficient jet. The disk has a central orifice and three spiral slots. When high-velocity fluid flows through the disk, the axial motion of fluid is created by the central orifice, while the swirling motion of fluid is created by the slots. When the fluid with both axial and swirling motion flows out of the nozzle, the combined round straight jet with swirling jet is created. The combined round straight jet with swirling jet inherits both the large impact area of a swirling jet and the deep penetration depth of a round straight jet. In order to break rock more effectively, the influences of nozzle structural parameters, standoff distance, and jet pressure on the rock erosion effect were researched by a rock breaking experiment. The experimental results showed that the combined round straight jet with swirling jet nozzle with diameter of 2 mm, chamber length of 8 mm, and extension angle of 60 deg can generate the largest rock breaking volume. The optimal standoff distance is 12 mm. The rock breaking area and penetration depth increased sharply with the increase of jet pressure.

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