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International Journal of Fluid Mechanics Research

年間 6 号発行

ISSN 印刷: 2152-5102

ISSN オンライン: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Experimental Investigation of the Flow Field Characteristics under Active Flow Control

巻 41, 発行 2, 2014, pp. 169-183
DOI: 10.1615/InterJFluidMechRes.v41.i2.50
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要約

Inspired by the revived interest in active flow control, tangential blowing was proposed from a slot near the front of the wing's upper surface. This effort stems from the pursuit of utilizing upper surface blowing, being one of the potential techniques used to control the boundary layer and alleviate stall in high angle-of-attack flight regimes. With the scope of understanding the flow field characteristics in the near wake of upper surface blowing, wind tunnel tests were conducted for a two-dimensional wing at low and high angles of attack. Hot-wire anemometry was employed to measure the velocity and turbulence profiles. The parameters included the rate of blowing, the angle of attack and the distance away from the trailing edge. Detailed results of the stream wise development of the mean velocity and turbulence were reported. The findings affirmed that tangential blowing was instrumental in energizing the flow in terms of an increase of the net velocity in the wake. Thereby, the drag would be lowered. Eventually, the noise level would be reduced. Both results could be valued as major achievements for the aviation industry.

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