Theoretical study of the flame describing function of AP/HTPB propellant flame based on sandwich model
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.06.009
Abstract: Abstract The flame dynamics of ammonium perchlorate/hydroxyl-terminated polybutadiene (AP/HTPB) composite propellant subject to the acoustic oscillation in a solid rocket motor (SRM) is investigated numerically in this article. The sandwich model is suitably modified to… read more here.
Keywords: describing function; sandwich model; flame describing; flame ... See more keywords
Nonlinear analytical flame models with amplitude-dependent time-lag distributions
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DOI: 10.1177/1756827717728056
Abstract: In the present work, we formulate a new method to represent a given Flame Describing Function by analytical expressions. The underlying idea is motivated by the observation that different types of perturbations in a burner… read more here.
Keywords: amplitude dependent; flame; time; time lag ... See more keywords
Large-Eddy-Simulation Modeling of the Flame Describing Function of a Lean-Premixed Swirl-Stabilized Flame
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Propulsion and Power"
DOI: 10.2514/1.b37490
Abstract: The prediction of thermo-acoustic instabilities is of paramount importance for gas-turbine combustion systems to meet the emission and efficiency targets. To predict the frequencies and amplitudes ... read more here.
Keywords: modeling flame; flame describing; large eddy; simulation modeling ... See more keywords