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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

SLAG ACCUMULATION AND SLOSH MEASUREMENTS WITH REAL-TIME RADIOSCOPY

卷 3, 册 2&3, 1996, pp. 165-176
DOI: 10.1615/JFlowVisImageProc.v3.i2-3.50
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摘要

During operation, solid propellant rocket motors containing aluminized propellants often retain significant levels of molten metal inside the combustion chamber. This work determined dynamic slag accumulation characteristics inside the rocket motor. The scope includes the acquisition and analysis of real-time radioscopic data recorded from a 1.12 m-diameter rocket motor during its operation. A 9-MeV X-ray source transmitted 4000 rad/min of radiation through a 0.75 by 1.30-m field of view at the aft end of the motor. Low-light video cameras recorded real-time images. Specialized image processing determined the appearance, volume, and slosh characteristics of the retained slag during motor firing. The slag moved actively in response to the internal flow field and increased in volume at a rate of 3.43 ml/s during motor operation. The material sloshed at low frequencies (less than 2 to 3 Hz). The results indicate a slag density of 1.6 g/cm3 at motor burnout.

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