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Journal of Flow Visualization and Image Processing

年間 4 号発行

ISSN 印刷: 1065-3090

ISSN オンライン: 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

EXPERIMENTAL FLOW PATTERNS AND PRESSURE CHARACTERISTICS IN A SINGLE HYDROSTATIC POCKET OF VARIABLE DEPTH

巻 8, 発行 1, 2001, 14 pages
DOI: 10.1615/JFlowVisImageProc.v8.i1.10
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要約

This article presents the results of an investigation into the flow patterns and pressure profiles that develop in a single pocket of a simulated hydrostatic bearing.The investigation has a dual purpose. The first is to determine the physics of the fluid patterns that develop under certain operating and geometry conditions; the second is to provide experimental information to the numerical practitioner for validation of numerical predictive and design codes.The flow was visualized in a hydrostatic pocket of variable depth.Two cases were considered: the first was that of a deep pocket (aspect ratio = depth/length = 1.0); the second was a shallow pocket with an aspect ratio of 0.25.The other parameters, which varied in the experiment, were shaft angular velocity and pocket feed–jet mass flow.The flow was mapped by means of a long-distance microscope combined with a particle trajectory visualization system; the illumination system was provided by a multikilohertz Nd:YLF pulsed laser. It was found that very different flow structures form, depending on the interplay among the strength of the feeding jet, the angular rotation of the shaft, and the aspect ratio of the pocket. It was also discovered that pressures grow continuously across the circumferential length of the pocket, in the direction of rotation.

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