Moderate‐to‐large injection and suction driven channel flows with expanding or contracting walls
J Majdalani, C Zhou - ZAMM‐Journal of Applied Mathematics …, 2003 - Wiley Online Library
We consider in this paper the incompressible laminar flow in a porous channel with
expanding or contracting walls. While the head‐end is closed by a compliant membrane, the …
expanding or contracting walls. While the head‐end is closed by a compliant membrane, the …
Nonlinear rocket motor stability prediction: Limit amplitude, triggering, and mean pressure shift
GA Flandro, SR Fischbach, J Majdalani - Physics of Fluids, 2007 - pubs.aip.org
High-amplitude pressure oscillations in solid propellant rocket motor combustion chambers
display nonlinear effects including: 1 limit cycle behavior in which the fluctuations may dwell …
display nonlinear effects including: 1 limit cycle behavior in which the fluctuations may dwell …
Biglobal linear stability analysis of the flow induced by wall injection
F Chedevergne, G Casalis, T Feraille - Physics of Fluids, 2006 - pubs.aip.org
The hydrodynamic stability of the flow in a solid rocket motor is revisited using a general
linear stability approach. A harmonic perturbation is introduced into the linearized Navier …
linear stability approach. A harmonic perturbation is introduced into the linearized Navier …
[HTML][HTML] Solid rocket motor internal ballistics using an enhanced surface-vorticity panel technique
GA DiMaggio, RJ Hartfield, J Majdalani, V Ahuja - Physics of Fluids, 2021 - pubs.aip.org
This work explores the use of surface-mesh flow solvers to model solid rocket internal
ballistics with arbitrary grain geometry. Specifically, a surface-vorticity approach, originally …
ballistics with arbitrary grain geometry. Specifically, a surface-vorticity approach, originally …
Some recent advances in the instabilities occurring in long solid rocket motors
G Casalis, G Boyer, E Radenac - 47th AIAA/ASME/SAE/ASEE Joint …, 2011 - arc.aiaa.org
Some instabilities leading to thrust oscillations may occur in solid rocket motors having a
large aspect ratio such as those of the European Ariane 5 launcher and the American Titan …
large aspect ratio such as those of the European Ariane 5 launcher and the American Titan …
Universality in the emergence of oscillatory instabilities in turbulent flows
Self-organization driven by feedback between subsystems is ubiquitous in turbulent fluid
mechanical systems. This self-organization manifests as emergence of oscillatory …
mechanical systems. This self-organization manifests as emergence of oscillatory …
Large-eddy simulation of vortex shedding and pressure oscillations in solid rocket motors
A three-dimensional high-fidelity numerical simulation of a small-scale solid rocket motor is
carried out adopting the implicit large-eddy simulation (ILES) approach to investigate the …
carried out adopting the implicit large-eddy simulation (ILES) approach to investigate the …
Synchronization-based model for turbulent thermoacoustic systems
We present a phenomenological reduced-order model to capture the transition to
thermoacoustic instability in turbulent combustors. Based on the synchronization framework …
thermoacoustic instability in turbulent combustors. Based on the synchronization framework …
Universality in spectral condensation
Self-organization is the spontaneous formation of spatial, temporal, or spatiotemporal
patterns in complex systems far from equilibrium. During such self-organization, energy …
patterns in complex systems far from equilibrium. During such self-organization, energy …
Neural ODE to model and prognose thermoacoustic instability
Thermoacoustic instability in a reacting flow field is characterized by high amplitude
pressure fluctuations driven by a positive coupling between the unsteady heat release rate …
pressure fluctuations driven by a positive coupling between the unsteady heat release rate …