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Journal of Flow Visualization and Image Processing

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 1065-3090

ISSN Online: 1940-4336

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: 0.6 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: 0.6 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: 0.00013 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: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

Indexed in

NEAR-FIELD STRUCTURES OF AN UNDEREXPANDED SONIC COAXIAL JET

Volumen 11, Ausgabe 3, 2004, 16 pages
DOI: 10.1615/JFlowVisImageProc.v11.i3.20
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ABSTRAKT

The near-field structure of an underexpanded sonic dual coaxial jet issuing from the coaxial nozzles of four different geometries is visualized by using a shadowgraph optical method. Experiments are conducted to investigate the effects of the nozzle geometry, such as nozzle-lip thickness, secondary stream thickness, the nozzle pressure ratio, and swirling of the secondary stream on the characteristics of the primary underexpanded jet. The results show that the presence of secondary annular swirling stream causes the Mach disc to move more downstream and increases its diameter, while the diameter of the Mach disc decreases with the decrease in the nozzle-lip thickness. The secondary stream thickness has an influence on the location of an annular shock wave. However, the effect of the secondary stream on the characteristics of the underexpanded coaxial jet is strongly dependent on the pressure ratio of the inner primary jet.

REFERENZIERT VON
  1. Shi Hai-Tao, Sun Pei-Zhao, Lu Xi-Yun, Large-eddy Simulation of Underexpanded Sonic Coaxial Jet, Procedia Engineering, 126, 2015. Crossref

  2. Shi Haitao, Chen Dawei, Wang Pei, Liu Nansheng, Lu Xiyun, Numerical Investigation of the Coherent Structures and Sound Properties in Sonic Coaxial Jets, Advances in Applied Mathematics and Mechanics, 9, 3, 2017. Crossref

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