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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

Numerical Studies on Air-Core Vortex Formation During Draining of Liquids from Tanks

巻 40, 発行 1, 2013, pp. 27-41
DOI: 10.1615/InterJFluidMechRes.v40.i1.30
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要約

The gas-liquid interface dips during the draining of a liquid through a discharge port of a vessel or a tank. The dip develops into a gas-core vortex which subsequently enters the discharge port. This entry can be either gradual or sudden, depending on the intensification of the rotational flow currents during the draining process. The extension of the gas-core into the drain port reduces the flow area and consequently the flow rate. In liquid propellant rocket motors, this phenomenon can have adverse effect on the performance as well as lead to under utilisation of the propellant. In this paper, the authors have tried to find the reason why such an air-core vortex develops in the first place, and the factors that influence its intensification over time, as reported in literature. These investigations have been carried out through simulations done using the commercial ANSYS Fluent code to validate the findings from the CFD results. The simulations are carried out using the volume of fluid (VOF) method, which obtains the volume fraction of each of the fluid throughout the domain and thereby captures the gas-liquid interface motion. Thereafter, the air-core vortex height predictions are validated with results reported in the literature.

によって引用された
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