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Interfacial Phenomena and Heat Transfer

Publicou 4 edições por ano

ISSN Imprimir: 2169-2785

ISSN On-line: 2167-857X

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: 0.5 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: 0.8 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: 0.00018 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: 0.11 SJR: 0.286 SNIP: 1.032 CiteScore™:: 1.6 H-Index: 10

Indexed in

HIGH-SPEED INFRARED THERMOGRAPHIC INVESTIGATION OF WATER SUBCOOLED POOL BOILING ON THIN METAL FOILS

Volume 4, Edição 4, 2016, pp. 259-267
DOI: 10.1615/InterfacPhenomHeatTransfer.2017019319
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RESUMO

In this study we investigate pool boiling of water at 0, 5, 10, and 20 K of subcooling and heat fluxes up to 250 kW/m2. The experiments are performed on smooth 6-μm titanium foil whereas a high-speed infrared and video camera are used to measure spatio-temporal surface temperature variations and visualize growing/collapsing vapor bubbles. Results show partial overlaying of boiling curves, which means that a higher degree of subcooling does not necessarily result in a lower average wall temperature. In all cases the bubble activation temperatures in subcooled boiling are higher compared to activation temperatures in saturated boiling. Existing nucleation criteria confirm that phenomenon. This indicates that overlaying of boiling curves cannot be attributed only to some random events on the boiling surface or measurement uncertainties. Experimental data are also presented in the form of recent wall-temperature distributions. All the distributions in subcooled conditions exhibit lower skewness compared to the temperature data obtained in saturated boiling. Subcooled liquid requires larger bubble activation temperature and at the same time limits the local temperature increase. Therefore, the mass of each individual distribution is concentrated on the right side and exhibits negative skewness. This additionally confirms the usefulness of wall-temperature distributions for evaluation and comparison of pool boiling experimental data.

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