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Journal of Enhanced Heat Transfer

Published 8 issues per year

ISSN Print: 1065-5131

ISSN Online: 1563-5074

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: 2.3 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: 1.8 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: 0.2 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: 0.00037 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: 0.6 SJR: 0.433 SNIP: 0.593 CiteScore™:: 4.3 H-Index: 35

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PIV Study on Double-Diffusive Convection during the Unidirectional Solidification of a Hypereutectic Binary Solution

Volume 16, Issue 4, 2009, pp. 387-402
DOI: 10.1615/JEnhHeatTransf.v16.i4.50
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ABSTRACT

The solidification of a binary solution occurs in a variety of industrial applications. The fundamental mechanism of the development of "double-diffusive convection" during solidification was one of the main subjects of study in the past. This study focused on the effect of the initial concentration of an aqueous ammonium chloride solution on the development of double-diffusive convection during the solidification process. The particle image velocimetry (PIV) technique was employed to measure the flow velocity and observe the morphological conditions associated with the unidirectional solidification (UDS) from below. In addition, the temperature distribution and the growth rates of mushy and solid zones within a test cell were measured by using the designed experimental system. The experimental results revealed that a hypereutectic binary solution with higher initial concentration generated stronger double-diffusive convection, causing the liquid with lower temperature to be transported to the top of the test cell. The channel flows that caused "freckling" during UDS were disclosed in the PIV measurement for the binary solution with high concentration. Moreover, with an increase in the initial concentration of the binary solution, the growth rate of the mushy zone increased, while that of the solid zone was unaffected. The nonequilibrium phenomena that caused the deviation of the liquidus front from the measured liquid/mush interface were also discussed in this study.

CITED BY
  1. Shih Yang-Cheng, Tu Shu-Min, PIV study on the development of double-diffusive convection during the solidification effected by lateral cooling for a super-eutectic binary solution, Applied Thermal Engineering, 29, 14-15, 2009. Crossref

  2. Shih Y.-C., Shun Y.-Y., Chiu C.-C., Solidification of a Liquid Super-Eutectic Binary Alloy in an Enclosure with a Slanted Side Cooling Wall, Experimental Heat Transfer, 24, 4, 2011. Crossref

  3. Shih Yang-Cheng, Tu Su-Min, Chiu Cheng-Chi, Suppressing freckles during solidification due to periodic motion of top liquid layer, Applied Thermal Engineering, 50, 1, 2013. Crossref

  4. Chiu Cheng-Chi, Shih Yang-Cheng, Filling-box process during solidification of a liquid hypoeutectic binary solution, International Communications in Heat and Mass Transfer, 53, 2014. Crossref

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