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International Journal of Energetic Materials and Chemical Propulsion

Published 6 issues per year

ISSN Print: 2150-766X

ISSN Online: 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

Indexed in

COMBUSTION CHARACTERISTICS OF SOLID PROPELLANTS IN A VACUUM

Volume 8, Issue 3, 2009, pp. 253-266
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v8.i3.60
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ABSTRACT

The pressure deflagration limits (PDLs) of HTPB/AP propellant, GAP/AP propellants with various O/F ratios, boron/potassium nitrate, and liquid GAP were measured at various initial temperatures. Zel'dovich and Novozhilov theory modified by DeLuca successfully predicted that low PDL is attained by a high-burning-rate and low-pressure-index propellant. However, the theoretical effect of the initial temperature on PDL was contradictory to the experimental results. On the temperature profile curves measured by fine thermocouples, two characteristic inflection points were detected and they were not dependent on pressure. On the assumption that the condensed-phase reactions occur between these two points, the contributions from the gas-phase heat conduction and the condensed-phase heat generation to the stable low-pressure combustion were estimated. The dependence of the condensed-phase-reaction heat release on pressure varies with the propellant. Although the role of the condensed-phase heat release in stabilizing the combustion at low pressure is complicated and still unclear, the condensed-phase reactions in a layer of some thickness should be taken into consideration for a reliable PDL prediction.

REFERENCES
  1. Miller, M.S. and Holmes, H.E., Subatmospheric Burning Rates and Critical Diameters for AP/HTPB Propellant.

  2. Cookson, R.A. and Fenn, J.B., Strand Size and Low-Pressure Deflagration Limit in a Composite Propellant.

  3. Summerfield, M., Caveny, L.H., Battista, R.A., Kubota, N., Gastintsev, Yu.A., and Isoda, H., Theory of Dynamic Extinguishment of Solid Propellants with Special Reference to Nonsteady Heat Feedback Law.

  4. Novozhilov, B.V., Theory of Nonsteady Burning and Combustion Stability of Solid Propellants by the Zeldovich-Novozhilov Method.

  5. DeLuca, L., Di Silvestro, R., and Cozzi, F., Intrinsic Combustion Instability of Solid Energetic Materials.

  6. DeLuca, L., Verri, M., and Jalongo, A., Intrinsic Stability of Energetic Solids Burning under Thermal Radiation.

  7. Krier, H., T’ien, J.S., Sirignano, W.A., and Summerfield, M., Nonsteady Burning Phenomena of Solid Propellants, Theory and Experiments.

  8. Tanaka, M., Nakao, C, and Hayakawa, S., Combustion of Solid Propellants at Low Pressure.

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