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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

Indexed in

THERMAL-FLUID FLOW TRANSPORT PHENOMENA IN AN AXIALLY ROTATING FLOW PASSAGE WITH TWIN CONCENTRIC ORIFICES

卷 12, 册 4, 2005, pp. 331-342
DOI: 10.1615/JFlowVisImageProc.v12.i4.10
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摘要

This paper investigates the secondary flow and heat transfer characteristics in an axially rotating passage in the presence of twin concentric orifices. Emphasis is placed on the effects of pipe rotation and orifice configuration on the flow and thermal fields, i.e., both the formation of vena contracta and the heat-transfer performance behind each orifice. The governing equations are discretized by means of a finite-difference technique and are numerically solved for the distributions of velocity vector and fluid temperature subject to constant wall temperature and uniform inlet velocity and fluid temperature. It is found that: (i) for a laminar flow through twin concentric orifices in a pipe, axial rotation causes the vena contracta in the orifice to stretch, resulting in an amplification of heat-transfer performance in the downstream region behind the rear orifice, and (ii) the local heat-transfer performance between the twin orifices is affected by an orifice interval, even if the orifice height and pipe rotation rate are the same. Results may find applications in automotive and rotating hydraulic transmission lines.

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