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Atomization and Sprays

年間 12 号発行

ISSN 印刷: 1044-5110

ISSN オンライン: 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

COMPARISON OF THE FLAME SPREADING BEHAVIOR OF OIL-IN-WATER AND WATER-IN-OIL EMULSIONS ALONG LINEAR EMULSION DROPLET ARRAYS IN A MICROGRAVITY ENVIRONMENT

巻 25, 発行 10, 2015, pp. 917-931
DOI: 10.1615/AtomizSpr.2015011993
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要約

We conducted an experimental study of flame spreading behavior along a linear array of emulsion droplets in microgravity using both water-in-oil (W/O) and oil-in-water (O/W) emulsions. The base fuel was n-dodecane. The initial volume fraction of water in the emulsions was 0.2, 0.4, and 0.6. The droplet array consisted of six emulsion droplets and one pure droplet. The initial sizes of the emulsion droplets in the array were identical. Flame stagnation due to burn-out occurred when the droplet spacing was very large. In the O/W emulsion with a higher water content, flame stagnation due to disruptive microexplosions was observed when the initial droplet diameter was very large, and due to extinction when the initial droplet spacing was very small. The flame spread velocity, which was multiplied by the initial droplet diameter, increased with an increase in the droplet spacing, which was normalized by the initial droplet diameter, and it then decreased in each emulsion and at each water content, as observed with pure fuel droplets. The flame spread velocity decreased with an increase in the initial water content. The flame spread velocities of the O/W emulsion were higher than those of the W/O emulsion with a lower water content. The flame spread velocities of the W/O emulsion exceeded those of the O/W emulsion with a higher water content. The normalized droplet spacing, where the flame spread velocity peaked and spread behavior changed, was almost identical in both types of emulsion and at all cases of water content. Flame acceleration in the O/W emulsion was due to the early occurrence of disruptive microexplosions, although the probability of their occurrence was low.

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  1. Yoon Jeong Hwan, Yeom Jeong Kuk, Analysis of precise behavior characteristics of emulsified fuel, Journal of Mechanical Science and Technology, 32, 2, 2018. Crossref

  2. Yeom Jeong-Kuk, Jung Suk-Ho, Yoon Jeong-Hwan, An experimental study on the application of oxygenated fuel to diesel engines, Fuel, 248, 2019. Crossref

  3. Meng Kesheng, Han Kai, Li Fengyu, Bao Lin, Wang Chengjun, Lin Qizhao, Study on combustion and micro-explosion characteristics of biodiesel and ethanol mixture droplets under different oxygen concentrations and temperatures, Physics of Fluids, 33, 5, 2021. Crossref

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