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Atomization and Sprays

Erscheint 12 Ausgaben pro Jahr

ISSN Druckformat: 1044-5110

ISSN Online: 1936-2684

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: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.8 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: 0.3 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: 0.00095 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: 0.28 SJR: 0.341 SNIP: 0.536 CiteScore™:: 1.9 H-Index: 57

Indexed in

A TECHNIQUE FOR DROP SIZE CONTROL DURING THROTTLING OF A ROCKET ENGINE

Volumen 13, Ausgabe 4, 2003, pp. 345-355
DOI: 10.1615/AtomizSpr.v13.i4.10
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ABSTRAKT

Experimental studies have been conducted on a new type of injector which can be used very advantageously in rocket engines designed for throttling applications. The aim is to keep the drop size constant for varying chamber pressures. The injector uses very small quantities of a gas to atomize a straight liquid jet before discharging into the combustion chamber. The concept is demonstrated over an eightfold variation of injector pressure drop. A feedback control system, which can regulate the air pressure with respect to the sensed chamber pressure, based on the input transfer function, so as to keep the drop size constant, is suggested. The transfer function is obtained from the experimental data. The major advantage of this injector is that it uses a very small quantity of gas, thereby limiting the weight penalty to a minimum. This system is much less complicated compared to variable area injector and cavitating venturi valves used for this purpose.

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