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

ISSN Imprimer: 2150-766X
ISSN En ligne: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v3.i1-6.400
pages 389-402

TRANSIENT BURNING BEHAVIOR OF SOLID PROPELLANTS

Yeu-Cherng Lu
Mechanical Engineering Department, The Pennsylvania State University, University Park, PA 16802
Y. J. Yim
Mechanical Engineering Department, The Pennsylvania State University, University Park, PA 16802
F. R. Schwam
Olin-Rocket Research Company, Redmond, WA 98073

RÉSUMÉ

Transient burning rate behavior of a solid propellant under very rapid pressure excursion was observed non-intrusively using X-ray radiography. Steady-state burning rate was also determined using an optical strand burner. It was found that the transient burning rate can indeed differ significantly from the steady-state burning rate at the same pressure level. Depending upon the entire history of the pressurization process, the transient burning rate can also vary remarkably from one test to another. A correlation relating transient burning rate with instantaneous pressure and pressurization rate was determined.


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