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Nanoscience and Technology: An International Journal

Published 4 issues per year

ISSN Print: 2572-4258

ISSN Online: 2572-4266

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: 1.3 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: 1.7 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: 0.7 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: 0.00023 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: 0.244 SNIP: 0.521 CiteScore™:: 3.6 H-Index: 14

Indexed in

INTENSIFICATION OF MASS TRANSFER IN LAMINAR AND TURBULENT CHANNEL FLOWS BY APPLYING SUBMICRON CAVITIES ON THE CHANNEL WALL SURFACE

Volume 6, Issue 4, 2015, pp. 319-334
DOI: 10.1615/NanomechanicsSciTechnolIntJ.v6.i4.60
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ABSTRACT

A model of reduction of the friction drag in laminar and turbulent liquid and gas flows in channels by creating air-filled microcavities (micropores) on the channel walls and applying, to the surface, special coatings consisting of hydrophobic (water repellent) materials with organized structure of cavities of submicron size is suggested. It is proposed to use the slip parameters of gas phase on the surface of micropores at large Knudsen numbers. The value of the macrointensity of slip on the pipe wall has been found by applying averaging of gas microflows and gas velocity gradients in nanocavities on the basis of the model of mutually penetrating continua of the solid and gas phases. The detailed structure of gas flows in the cavities is not considered. The intensities of the slip processes are presented in dimensionless variables as functions of the coefficients of gas molecules reflection from the cavity surfaces. Calculations of the mass transfer rate were made with varied intensities of slip processes. The theoretical model makes it possible to predict the characteristics of mass transfer intensification both at small and large Reynolds numbers. The possibilities of applying the differential model of turbulence in the case of simultaneous action of two factors − the high intensity of turbulence in the incoming flow and slip on the wall − have been established.

CITED BY
  1. Markov A A, The Model of Masstransfer Intensification in Channels Using Nanowiresets inside and Nanostructures on the Wall, Journal of Physics: Conference Series, 815, 2017. Crossref

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