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Interfacial Phenomena and Heat Transfer

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 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

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REVIEW AND MODELING OF TWO-PHASE FRICTIONAL PRESSURE GRADIENT AT MICROGRAVITY CONDITIONS

Volumen 2, Ausgabe 1, 2014, pp. 15-40
DOI: 10.1615/InterfacPhenomHeatTransfer.2014008025
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ABSTRAKT

First, a detailed review of the two-phase frictional pressure gradient at microgravity conditions is presented. Then, a simple method for calculating the two-phase frictional pressure gradient at microgravity conditions using asymptotic analysis is presented. The two-phase frictional pressure gradient is expressed in terms of the asymptotic single-phase frictional pressure gradients for liquid and gas flowing alone. In the present model, the two-phase frictional pressure gradient for x ≅ 0 is nearly identical to the single-phase liquid frictional pressure gradient. Also, the two-phase frictional pressure gradient for x ≅ 1 is nearly identical to the single-phase gas frictional pressure gradient. The proposed model can he transformed into either a two-phase frictional multiplier for liquid flowing alone (Φ2l) or two-phase frictional multiplier for gas flowing alone (Φ2g) as a function of the Lockhart−Martinelli parameter, X. A comparison of the asymptotic model with the experimental data at microgravity conditions is presented, and a robust value of the fitting parameter is chosen as p = 2/7.

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