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Interfacial Phenomena and Heat Transfer

Published 4 issues per year

ISSN Print: 2169-2785

ISSN Online: 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

THIN LIQUID FILM DYNAMICS AND BUBBLE BEHAVIOR IN FLOW BOILING

Volume 4, Issue 4, 2016, pp. 279-292
DOI: 10.1615/InterfacPhenomHeatTransfer.2017020799
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ABSTRACT

A profound knowledge of the dynamics of a thin liquid film and bubble behavior in flow boiling is crucial in a thorough study of the physical mechanisms of boiling crisis, which is important to the performance and safety of light water reactors. To address this, in the present study a series of tests were carried out at various water and air flow rates under atmospheric pressure and different heat fluxes in a horizontal copper channel. We employed a developed confocal optical sensor system to detect the variations and integrity of the thin liquid film. Additionally, we used a high-speed camera to capture the bubble behavior in detail and analyzed the effect of the film thickness on bubble behavior. According to our observations, the thinning process of the liquid film is governed by the entrainment under adiabatic or lower heat flux conditions, whereas evaporation becomes more pronounced in a higher heat flux system. The critical film thickness of an integral film is found to be related to the condition of the heating surface and the heat flux. Remarkably, the coalescence of bubbles seldom occurs in flow boiling with the thinner liquid film. The bubble departure diameter increases with an increase in the heat flux and liquid mass flow rate, but decreases with an increase in the gas flow rate. The minimum bubble departure diameter observed using high-speed photography was about 90 μm.

CITED BY
  1. Kochkin Dmitry, Dynamics of the contact line in heated liquid layers, INTERNATIONAL YOUTH SCIENTIFIC CONFERENCE “HEAT AND MASS TRANSFER IN THE THERMAL CONTROL SYSTEM OF TECHNICAL AND TECHNOLOGICAL ENERGY EQUIPMENT” (HMTTSC 2019), 2135, 2019. Crossref

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