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流动显示和图像处理期刊

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ISSN 打印: 1065-3090

ISSN 在线: 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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EFFECTS OF GAPS BETWEEN THE SIDE-WALLS AND RIBS ON THE RIB-INDUCED FLOW STRUCTURE AND HEAT TRANSFER DISTRIBUTION INSIDE A HIGH ASPECT RATIO COOLING CHANNEL

卷 9, 册 2&3, 2002, 18 pages
DOI: 10.1615/JFlowVisImageProc.v9.i2-3.80
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摘要

The flow visualization and heat transfer experiments were performed in a rectangular test section with an aspect ratio of 5:1, representing a cooling channel inside a trailing edge of a gas turbine rotor blade. The experiments were performed for three 60° ribs arrangements: 1) 60° full ribs, 2) 60° ribs with the gaps between the Rear wall and ribs and 3) 60° ribs with gaps between the Front wall and ribs. The obtained results showed strong effects of the rib-induced secondary flow on the heat transfer distribution. It was revealed that the heat transfer enhancement on the Rear and ribbed walls is attributed to the rib-induced secondary flow, which carries the fresh cold air from the passage core region towards the Rear wall and enhances the Nu appreciably. It was also confirmed that while the existence of the gaps between the Front wall and ribs provides more even Nu distribution on the ribbed walls due to the strengthening of the flow structure, in the case of the gaps between tire Rear wall and ribs, it causes a significant mean Nusselt number deterioration on the both ribbed and both smooth walls.

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