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International Journal of Fluid Mechanics Research

年間 6 号発行

ISSN 印刷: 2152-5102

ISSN オンライン: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

A Study of the Injection of Twin Pulsed High Speed Liquid Jets Across Transonic Region

巻 24, 発行 4-6, 1997, pp. 526-533
DOI: 10.1615/InterJFluidMechRes.v24.i4-6.90
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要約

A study of the injection of twin pulsed liquid jets ranging from subsonic to supersonic using a high-pressure helium gas gun was conducted. Twin diverging, parallel or impinging jets and single jet were selected. The liquid was sealed at a metal nozzle and then impacted using a polyethylene projectile. Applying laser cutting and copper-wire breaking methods, the jet and impact velocities were measured simultaneously. The results were analyzed by least squares method. From the obtained relationships between the jet and impact velocities, the threshold impact velocities for getting supersonic liquid jets were determined. A strobe light was used to visualize the injection sequence. In addition to the experiments, a theoretical analysis for the mechanism of generating the multiple liquid jets indicates that the exit hole number of a nozzle does not influence the injection velocity so much because of the three dimensional nozzle geometry and the small hole diameter.

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