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国际流体力学研究期刊

每年出版 6 

ISSN 打印: 2152-5102

ISSN 在线: 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

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Influence of Viscosity on Drag in Presence of Polymer Solutions in Gravity Driven Flow Systemy

卷 40, 册 6, 2013, pp. 520-529
DOI: 10.1615/InterJFluidMechRes.v40.i6.50
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摘要

Mathematical equation for efflux time is developed during gravity draining of a Newtonian liquid from a large spherical tank through an exit pipe under laminar flow conditions in the exit pipe. This equation gives the maximum time required for draining the contents of spherical storage vessel. The model is verified with the experimental data for water as well as for different viscosities of Glycerin solutions and found to be in good agreement with a maximum deviation of 14.8 % and an average deviation of 9 %. Experiments are also performed with mixed solutions containing aqueous polymer solutions and Glycerin. The polymers used in this study are Polythene Oxide (PEO) and Polyacryl Amide (PAM). Drag reduction takes place only in presence of polymer solutions. However, in case of polymer solutions mixed with Glycerin, in stead of drag reduction, drag enhancement takes place. The possible reasons for drag enhancement are also discussed.

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