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International Journal of Fluid Mechanics Research

Publication de 6  numéros par an

ISSN Imprimer: 2152-5102

ISSN En ligne: 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

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A Computational Study on the Physiologically Realistic Pulsatile Flow through an Eccentric Arterial Stenosis

Volume 38, Numéro 3, 2011, pp. 225-245
DOI: 10.1615/InterJFluidMechRes.v38.i3.30
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RÉSUMÉ

This paper presents a computational study on the physiologically realistic pulsatile blood flow through an arterial stenosis. A semicircular eccentric stenosis is considered which is more relevant in cardiovascular system rather than the symmetric one. The degree of stenosis is varied by area from 30 to 70 %. The pulsatile flow is represented by eight harmonic components superimposed on the time-mean flow. The Reynolds number is varied from 220 to 800 during the pulsation while the Womersley number was kept constant at 6.17. Results show that the flow behaviours significantly vary during the pulse period. The vortex rings and separated shear layers are developed asymmetrically through the stenosis. The complex interaction of shear layers with vortex rings severely affects the post-stenotic areas and this becomes prominent at the end of the systolic phase compared to other times. However, the disturbances are increased with an increase of degree of stenosis. Further, various hemodynamic parameters such as wall shear stress, Wall shear stress gradient, oscillatory shear index, pressure loss and so on are discussed in this paper.

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