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International Journal of Fluid Mechanics Research

Publicado 6 números por año

ISSN Imprimir: 2152-5102

ISSN En Línea: 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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COMPUTATIONAL STUDY OF DIFFERENT TURBULENCE MODELS FOR AIR IMPINGEMENT JET INTO MAIN AIR CROSS STREAM

Volumen 46, Edición 5, 2019, pp. 459-475
DOI: 10.1615/InterJFluidMechRes.2019026713
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SINOPSIS

Jets impinging into main air cross streams in the transfer of heat and mass into or from working fluid to the wall are applied in cooling techniques, rocket launcher cooling, piston lubrication, high density dryers, pneumatic conveying, and gas turbine cooling. The common impact between the jet and the main cross stream is analyzed at various jets by means of cross-flow velocity ratio calculations. In the current study, an air stream impinges perpendicularly with an assortment of velocity ratios into a main cross stream, which is brought out through a 10 cm diameter pipe until the Reynolds number reaches 6 × 104. The flow pattern is simulated numerically with the two-equation turbulence models: Realizable k-ε, SST k-ω, and RSM l. Reynolds Averaged Navier Stokes modeling is frequently encountered in many industrial applications, in which the reliability of the simulation and the computational time conserving are required. Our study demonstrates that the jet pattern is misshaped as the standard speed is expanded and detachment regions are created. More turbulent intensity and massive flow stresses occurs immediately after the touch down the regular face between the jet and cross stream. Comparison of numerical and experimental results indicate that the flow velocity field is best described by the Realizable k-ε turbulence model. The Reynolds fluxes show divergent trends from the experimental results. The introduced CFD model equations provided quantitative assessments of model errors and judgments of model suitability versus referenced experimental data.

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CITADO POR
  1. Babak Vitaliy P., Babak Serhii V., Eremenko Volodymyr S., Kuts Yurii V., Myslovych Mykhailo V., Scherbak Leonid M., Zaporozhets Artur O., Models and Measures for Atmospheric Pollution Monitoring, in Models and Measures in Measurements and Monitoring, 360, 2021. Crossref

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