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Atomization and Sprays

Erscheint 12 Ausgaben pro Jahr

ISSN Druckformat: 1044-5110

ISSN Online: 1936-2684

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: 1.2 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: 0.3 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: 0.00095 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: 0.28 SJR: 0.341 SNIP: 0.536 CiteScore™:: 1.9 H-Index: 57

Indexed in

DYNAMIC SURFACE TENSION OF GASOLINE AND ALCOHOL FUEL BLENDS

Volumen 27, Ausgabe 1, 2017, pp. 1-5
DOI: 10.1615/AtomizSpr.2016015433
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ABSTRAKT

In this short note we address a key issue regarding the time evolution of the surface tension of droplets that are made up of gasoline and alcohol blends. The burning process, and thus its efficiency and exhaust gas composition, in any combustion system (including SI and CI combustion engines) is strongly affected by the basic characteristics of the fuel spray. The droplets' size and size uniformity are two of the more important properties. Smaller droplets will evaporate, mix, and burn faster than larger ones. Reliable evaluation of the droplets' size in terms of the injection pressure, injector geometry, and the fuel properties is an essential tool for the combustion chamber designer. In this context, a major fuel property is the surface tension of the fuel. Here we show how the surface tension of a fuel droplet may vary with time during its injection process, thus affecting its size. The surface tension variation is mainly attributed to the molecular mobility of the surfactant while the liquid/gas interface grows. We present some measurements of the dynamic surface tension of gasoline/alcohol blends and compare them to the equilibrium value. We used the maximum bubble pressure method to determine the dynamic surface tension. Gasoline with an octane number of 95 was used as the basic fuel to be mixed in different proportions with ethanol or methanol.

REFERENZIERT VON
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