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Journal of Flow Visualization and Image Processing

Publicado 4 números por año

ISSN Imprimir: 1065-3090

ISSN En Línea: 1940-4336

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: 0.6 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 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: 0.00013 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: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

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NUMERICAL VISUALIZATION OF BLADE TIP LEAKAGE FLOW

Volumen 13, Edición 4, 2006, pp. 393-406
DOI: 10.1615/JFlowVisImageProc.v13.i4.60
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SINOPSIS

Tip leakage flows are a source of aerodynamic inefficiency and high thermal loading near blade tips. This work simulates the complex streamwise vortical structure a turbine shroud with blade tip clearance for the stationary linear cascade. Compressible Navier−Stokes equations are solved by the control volume method with the upwind Roe's scheme and the total variation diminishing (TVD) scheme. The code is validated by selecting a model of the VKI rotor to simulate the developing boundary-layer flow structure. Numerical results closely correspond to experimental data. The general attributes of the physical aspects of the tip leakage flow are successfully simulated. Results of this study demonstrate that the temperature load of the region near-tip clearance is larger than both the hub and mid-span areas over the blade, indicating that the tip leakage flow has a significant heat transfer effect on the blade tip platform and the suction side near-tip region.

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