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International Journal of Energetic Materials and Chemical Propulsion

Publicado 6 números por año

ISSN Imprimir: 2150-766X

ISSN En Línea: 2150-7678

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: 0.7 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: 0.7 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: 0.1 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: 0.00016 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: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

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PRINCIPAL AND INDEPENDENT COMPONENT ANALYSIS OF HYBRID COMBUSTION FLAME

Volumen 18, Edición 1, 2019, pp. 9-29
DOI: 10.1615/IntJEnergeticMaterialsChemProp.2019028035
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SINOPSIS

Hybrid rocket engines are a promising technology for a variety of applications, due to their advantages with respect to solid and liquid propulsion systems. However, their use has been hindered in the past due to the low regression rate performance associated with classical polymeric hybrid fuels. The discovery of high regression rate hybrid fuels has renewed the interest in hybrid rocket propulsion. The increase in regression rate is caused by a different combustion mechanism, which still needs to be fully understood. Since 2013, many optical investigations on the so-called liquefying hybrid fuels have been done at the German Aerospace Center, Institute of Space Propulsion in Lampoldshausen, Germany, in order to better understand the mechanism responsible for droplet entrainment. The liquid layer combustion process of paraffin-based fuels in combination with gaseous oxygen has been visualized with different optical techniques in a two-dimensional single slab burner. Tests have been performed under both sub- and supercritical pressure conditions. The fuel slab configuration and composition and oxidizer mass flow rate have also been varied to understand their influence on the phenomenon. The latest results of this research are presented and discussed in this work. In all of the tests, the flame is characterized by a wave-like structure, whose frequencies and wavelengths are determined by using decomposition algorithms. Droplet formation is observed mainly during the transients. At elevated operating pressures, the flame becomes unsteady and highly turbulent. Many flame bursting and blowing events are also visualized.

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CITADO POR
  1. Stober Keith Javier, Cantwell Brian J., Otaibi Raja A. L., Hypergolic Ignition of Lithium–Aluminum–Hydride-Doped Paraffin Wax and Nitric Acid, Journal of Propulsion and Power, 36, 3, 2020. Crossref

  2. Petrarolo Anna, Kobald Mario, On the liquid layer instability process in hybrid rocket fuels, FirePhysChem, 1, 4, 2021. Crossref

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