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The Nonlinear Combustion Instability Prediction of Solid Rocket Motors
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 Title & Authors
The Nonlinear Combustion Instability Prediction of Solid Rocket Motors
Hong, Ji-Seok; Moon, Hee-Jang; Sung, Hong-Gye; Um, Won-Seok; Seo, Seonghyeon; Lee, Do-hyung;
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The prediction of combustion instability is important to avoid an obvious threat to the structural safety and the motor performance because it affects the apparent response function of the propellant, the burning rate, and a mean flow Mach number at the local surface. The combustion instability occurs in case acoustic waves were coupled with the combustion/flow dynamic frequency. In this paper, an acoustic instability model is derived from the nonlinear wave equation for analysing acoustic dynamics in solid rocket motors. The chamber pressure and burning rate effects on combustion instability have been investigated.
Solid Rocket Motor;Acoustic Analysis;Combustion Instability;Nonlinear Wave Equation;Stability Alpha;
 Cited by
Experimental Study on Acoustic Attenuation Due to Solid Particles, Combustion Science and Technology, 2017, 189, 9, 1486  crossref(new windwow)
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