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International Journal of Energetic Materials and Chemical Propulsion

Publication de 6  numéros par an

ISSN Imprimer: 2150-766X

ISSN En ligne: 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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EVALUATION OF THERMOCHEMICAL EROSION OF THE SOLID PROPELLANT ROCKET GRAPHITE NOZZLE THROATS BY INTEGRAL BOUNDARY LAYER TECHNIQUE

Volume 4, Numéro 1-6, 1997, pp. 1062-1071
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v4.i1-6.980
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RÉSUMÉ

An aerothermochemical model for the graphite nozzle erosion of the rocket motors was developed. The theoretical modeling of the problem is similar to the approach of Kuo and Keswani and the solution technique differs in modeling of the boundary layer over the nozzle. In this study, the integral formulation and solution of the boundary layer equations for highly accelerating flow in rocket nozzles derived by D.R. Bartz was used in the throat erosion calculations. The integral energy equation was modified by including heterogeneous wall reactions. It was assumed that the mass transfer Stanton number is equal to heat transfer Stanton number and diffusion controlled erosion was calculated accordingly. Predicted results showed good agreement with Geisler's experimental data and the theoretical predictions made by Kuo and Keswani. The integral method used in this study is found to be yielding the results faster than the differential method.

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