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Journal of Flow Visualization and Image Processing
Главный редактор: Krishnamurthy Muralidhar (open in a new tab)

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ISSN Печать: 1065-3090

ISSN Онлайн: 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

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VISUALIZATION OF END WALL FLOW IN A LARGE DEFLECTION TURBINE ROTOR CASCADE: EFFECT OF TIP CLEARANCE AND INCIDENCE ANGLE

Том 8, Выпуск 4, 2001, 14 pages
DOI: 10.1615/JFlowVisImageProc.v8.i4.20
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Краткое описание

Experimental investigations were carried out on a two-dimensional cascade fitted with 120° deflection rotor blades to study the effect of incidence angle on the end wall flow in the presence of tip clearance.A total of five incidence angles, -10°, -5°, 0°, 5°, and 10°, were chosen, and for each incidence angle, experiments were conducted for five tip clearance values at a constant space-chord ratio of 0.79. The end wall flow is visualized for all the incidence angles and tip gap heights. The variation of static pressure coefficient ahead of the blade leading edge and the discharge coefficient at various axial stations are also presented. For zero clearance, the primary and secondary separation lines are observed. The adverse pressure gradient upstream of the leading edge is reduced as the tip clearance is increased. The origin of the corner vortex moves toward the leading edge and the size of the tip clearance vortex increases as the incidence angle is changed from negative to positive values. The maximum value of discharge coefficient increases and the point at which maximum value occurs shifts toward the leading edge when incidence angle is changed from -10° to 10°.

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