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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

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

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v7.i4.30
pages 293-313

RECENT THEORETICAL ADVANCES FOR LIQUID-FUEL ATOMIZATION AND BURNING

William A. Sirignano
Department of Mechanical and Aerospace Engineering, University of California at Irvine, USA

RESUMO

Three modern topics of major importance in the use of liquid fuels for chemical propulsion will be reviewed: atomization of injected streams of liquids, vaporization and burning of large arrays of fuel droplets, and liquid-fuel-film vaporization and burning. The emphasis will be on theoretical developments although some experimental results will be cited. The roles of cavitation and hydrodynamic instability in liquid break-up processes will be analyzed. A new method for treating large numbers of interacting, vaporizing, and burning fuel droplets will be discussed for both unitary and non-unitary Lewis-number cases. The physics of liquid-film vaporization and burning, a new and exciting candidate for use in the miniaturization of combustors, will be analyzed.


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