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Atomization and Sprays

Publicado 12 números por año

ISSN Imprimir: 1044-5110

ISSN En Línea: 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

EXPERIMENTAL STUDY ON FLASH ATOMIZATION OF AVIATION KEROSENE

Volumen 22, Edición 2, 2012, pp. 163-183
DOI: 10.1615/AtomizSpr.2012004932
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SINOPSIS

Flash atomization has applied more and more to reduce drop sizes and to promote fuel vaporization in various engines. Thus, it is very important and necessary to scientifically and correctly understand the mechanism of flash atomization. The purpose of this research was to gain a better understanding of the flash atomization of aviation kerosene (RP-3). First, the bubble-point temperatures of aviation kerosene over a wide range of ambient pressures were investigated by using a common method. A simple and practical correlation for the bubble-point temperature was developed, taking the bubble-point temperature as the function of ambient pressure. The calculated values were in good agreement with the experimental ones. Furthermore, experiments were carried out to study flashing of superheated kerosene jets by ejecting superheated liquid aviation kerosene into a vacuum chamber through five different plain orifice spray nozzles. Superheated liquids were observed to spray in four different patterns: conventional pressure spray, boiling spray, flashing spray, and fully flashing spray. Fully flashing spray was defined as the form in which no distinguishable interface between the injected fluid and ambient gas existed. It is desirable to determine the methods governing the flash atomization process. Therefore, the effects of the operation parameters on critical superheat degrees for flashing and fully flashing were investigated. The results demonstrated that the initiated flash atomization reflects a combined effect of cavitation and superheating. However, cavitation was not necessary in the fully flashing process, only superheating was needed. The influences of the operation parameters on the spray width, spray cone angle, and core liquid length were also studied using a high-speed camera. The results again indicated that cavitation and superheating were the key factors in flash atomization.

CITADO POR
  1. Miao Junjie, Fan Yuxin, Wu Weiqiu, Effects of nozzle configuration on flash boiling fuel sprays of twin-orifice nozzle with aviation kerosene, International Journal of Heat and Mass Transfer, 174, 2021. Crossref

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