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Journal of Flow Visualization and Image Processing

Publicou 4 edições por ano

ISSN Imprimir: 1065-3090

ISSN On-line: 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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REAL-TIME IMAGING AND VISUALIZATION OF SOLUTAL PLUME DURING BOTTOM-COOLED SOLIDIFICATION

Volume 27, Edição 1, 2020, pp. 89-115
DOI: 10.1615/JFlowVisImageProc.2020031048
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Ila Thakur
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Mumbai, 400076, India
Shyamprasad Karagadde
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Mumbai-400076, India
Atul Srivastava
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India

RESUMO

Certain transparent mixtures of organic and inorganic materials are known to display freezing characteristics of metals, and therefore have been investigated to understand the mechanisms of remelting and solidification. Thermal and compositional gradients developed in fluids during the solidification of multicomponent alloys can lead to density inversion and can ultimately cause natural convection flows. Plume formation is one such flow phenomenon, commonly observed in phase change systems. The present work describes the experimental investigation of the formation of plumes during the unidirectional solidification of a transparent organic mixture (succinonitrile-15 and 17 wt.% acetone). The mixture was solidified unidirectionally from the bottom. Rejection of low-density acetone from the primary succinonitrile causes natural convection in the mushy layer and the bulk fluid in the form of plumes. The qualitative observations were made with the help of shadowgraphy, and are further investigated using particle image velocimetry (PIV) and Mach-Zehnder interferometry for the entire field flow and temporal evolution of thermal field, respectively. The sensitivity of the mixture density to the incident wavelengths allowed quantification of temperature in bulk fluid and composition within the plume for the first time. The experimental observations were further supported with analytical scale estimates of the critical length, time, velocities, and Rayleigh number of the system.

Palavras-chave: plume, natural convection, solidification, interferometry, nonintrusive measurements
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CITADO POR

  1. Jha Ajit Kumar, Shukla P. , Ghosh P. , Khisti Pranav , Dubey Abhinav , VISUALIZATION AND MEASUREMENT OF NATURAL CONVECTION BOUNDARY LAYER BY PARTICLE IMAGE VELOCIMETRY , Journal of Flow Visualization and Image Processing, 30, 2, 2023. Crossref

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