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International Journal of Fluid Mechanics Research

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ISSN Druckformat: 2152-5102

ISSN Online: 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

Frequency Analysis of Disintegrating Liquid Column

Volumen 24, Ausgabe 1-3, 1997, pp. 439-449
DOI: 10.1615/InterJFluidMechRes.v24.i1-3.440
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ABSTRAKT

Frequency characteristics of the surface wave on a liquid jet injected from a round nozzle into the stationary air were experimentally investigated to understand the disintegration phenomena. Amplitude of the surface wave was detected by a photo-sensor at the various axial positions of the jet. Obtained signals of the photo-sensor were processed by the FFT analyzer. Structure of the frequency spectrum and auto-correlation in a dripping, laminar jet and turbulent jet regions was investigated in detail. As the result, discrete peaks of the spectrum components were observed in the dripping and laminar jet regions. In the turbulent jet region, the broad band components were appeared in the spectrum. In order to measure the frequency of disintegration, the dominant frequencies at the breakup point on the jet were investigated. The variation of the dominant frequency was described as a function of the Reynolds number and was compared with the breakup length of the jet. It was confirmed that the disintegration frequency strongly correlated with the breakup length. The secondly higher peak in the auto-correlation function was a good indicator for the regularity of disintegration period. In the dripping region, highly regular state and irregular state were appeared in dependence on the injection flow rate. The regularity levels of the laminar and turbulent jet disintegration were almost same and were independent to the Reynolds number.

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