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Journal of Enhanced Heat Transfer
Главный редактор: Zhixiong Guo (open in a new tab)
Founding Advisory Editor: Arthur E. Bergles (open in a new tab)
Редактор-основатель: Ralph L. Webb (open in a new tab)

Выходит 8 номеров в год

ISSN Печать: 1065-5131

ISSN Онлайн: 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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Dropwise Condensation of Steam on Horizontal Corrugated Tubes Using an Organic Self-Assembled Monolayer Coating

Том 7, Выпуск 2, 2000, pp. 109-123
DOI: 10.1615/JEnhHeatTransf.v7.i2.40
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Краткое описание

Steam condensation on corrugated tubes has been enhanced by using a hydrophobic coating to promote dropwise condensation. The coating was created with self-as-sembled-monolayers (SAMs) on gold and copper-nickel alloy surfaces. SAMs are formed by chemisorption of alkylthiols on these metal surfaces. The negligible thickness (10-15 A) of SAMs results in negligible heat transfer resistance. Moreover, only a minuscule amount of the organic material is needed to create these monolayers, so there is no possible contamination threat to the system from erosion of the coating. The coating was applied directly to Korodense corrugated tubes made of 90/10 copper-nickel, and to a previously gold-sputtered titanium Korodense tube.
The quality of the drops on SAMs, based on visual observation, was found to be similar for the two surfaces, with the gold-sputtered titanium surface showing a slight superiority over the copper-nickel surface. When compared to filmwise condensation, the coating increased the condensation heat transfer coefficient by factors of 3.6 and 2.7, at a wall subcooling of about 16°C, for copper-nickel and gold-sputtered titanium Korodense tubes, respectively, under atmospheric operation (101 kPa). The respective enhancements under vacuum (10 kPa) conditions were 2.5 and 2.3 at a wall subcooling of about 6°C.

ЦИТИРОВАНО В
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