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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.142 SNIP: 0.16 CiteScore™: 0.29

ISSN Imprimir: 2150-766X
ISSN On-line: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v2.i1-6.40
pages 91-112

COMBUSTION OF BORON-CONTAINING FUELS IN SOLID FUEL RAMJETS

Alon Gany
Sylvia and David IA Fine Rocket Propulsion Center and the Aerothermodynamics Lab, Faculty of Aerospace Engineering, Technion – Israel Institute of Technology, Haifa, 3200003, Israel

RESUMO

The paper presents the combustion phenomena of boron-containing fuels in solid fuel ramjet (SFRJ) motors. It is shown that the peculiarities of boron ignition and combustion along with the SFRJ condensed phase processes and flowfield characteristics inherently lead to poor combustion efficiencies, preventing utilization of the remarkable theoretical energetic potential of the boron. Directions to improve boron ignition and combustion, in particular the use of an aft-mixing-chamber with bypass air and the inclusion of specific energetic additives in the fuel formulation in order to enhance рге-ignition heating, are analyzed and discussed.


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