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Heat Transfer Research

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ISSN Druckformat: 1064-2285

ISSN Online: 2162-6561

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: 1.7 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: 1.4 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: 0.00072 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: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

Indexed in

MARANGONI CONDENSATION OF STEAM–ETHANOL MIXTURES USING LOW-ETHANOL CONCENTRATIONS

Volumen 51, Ausgabe 9, 2020, pp. 851-863
DOI: 10.1615/HeatTransRes.2020032952
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ABSTRAKT

Marangoni condensation heat transfer characteristics of steam−ethanol mixture were experimentally investigated using a horizontal smooth tube at atmospheric pressure. Results were obtained over a range of ethanol concentration, vapor velocity, and vapor-to-surface temperature difference. Ethanol concentrations by mass in the boiler when cold prior to start up were 0.001, 0.005, 0.01, 0.017, and 0.021%. The results indicate that maximum heat transfer enhancement of around 4 times was obtained at ethanol concentrations of 0.017 and 0.21%. Moreover, the point of maximum heat transfer shift ed from lower to higher vapor-to-surface temperature difference with increasing ethanol concentration. The condensate appearance changed from filmwise to the dropwise mode with increasing vapor-to-surface temperature difference. Photographs showing the condensate appearance are also included in the paper.

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