International Journal of Energetic Materials and Chemical Propulsion
Erscheint 6 Ausgaben pro Jahr
ISSN Druckformat: 2150-766X
ISSN Online: 2150-7678
IF:
0.7
5-Year IF:
0.7
Immediacy Index:
0.1
Eigenfactor:
0.00016
JCI:
0.18
SJR:
0.313
SNIP:
0.6
CiteScore™::
1.6
H-Index:
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Indexed in
A COMPUTATIONAL STUDY OF THE L* INSTABILITY WITH A NONLINEAR FREQUENCY
Volumen 5,
Ausgabe 1-6, 2002,
pp. 879-888
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.900
ABSTRAKT
A numerical model, including a nonlinear, transient gas-phase description of the propellant combustion is developed to study the L* instability in solid rocket motors. The model has been shown to predict the critical L* as well as other features of L* instability. It is found that stability boundary in log(L*cr) vs. log(p ) plane is not a straight line even with a constant pressure index, n, as given by QSHOD model. It is also found that parabolic stability boundary is possible with lower surface temperatures. The predicted frequency and combustion delay time compare well with the experimental data.
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